Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Audi >> 2014 >> A7 Quattro Premium Plus >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> 3.0L - Generic Scan Tool - Engine Code: CPNB (1 Of 2) >> St Generic Scan Tool >> Diagnosis And Testing >> DTC Tables 2013, 2014

DTC Tables 2013, 2014

DTC Error Message Malfunction Criteria and Threshold Value Secondary Parameters with Enable Conditions Monitoring Time Length Frequency of checks, MIL Illumination Diagnostic Procedure
P0045 Turbocharger Boost Control Solenoid Circuit Open
  • Diagnostic signal from power stage > 0.8 [V] (Out 1) and < 2 [V] (Out 2)
  • Power stage = OFF state
 600 ms.
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P0047 Turbocharger Boost Control Solenoid Circuit Grounded
  • Diagnostic signal from power stage > 8 - 18 A
  • Power stage = On state
 480 ms.
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P0048 Turbocharger Boost Control Solenoid Circuit High
  • Diagnostic signal from power stage > 8 - 18 A
  • Power stage = On state
 480 ms.
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P0071 Ambient Air Temperature Sensor Circuit Range/Performance
  • Temperature difference to ECT, ECT 2> 40 [°K]
  • Temperature difference to T2, and FTS > 45 [°K]
  • Error bit = set
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 [°K] at > 25 mph for 20 s
  • Decrease of AAT after engine start < 5 [°K] for 60 s
 20 s with speed above 25 mph
  • 2 DCY
 -- Check the Ambient Air Temperature Sensor -G17-. Refer to Outside Air Temperature Sensor -G17-, CHECKING .
P0072 Ambient Air Temperature Sensor Circuit Low
  • AAT < -40 [°C]
  • Communication time after T15 on > 1 s
 2 s
  • 2 DCY
 -- Check the Ambient Air Temperature Sensor -G17-. Refer to Outside Air Temperature Sensor -G17-, CHECKING .
P0087 Fuel Rail/System Pressure - Too Low
  • positive control deviation step 1 > 17000 - 50000 kPa
  • positive control deviation step 2 > 15000 kPa
  • Minimum Fuel Rail Pressure < 0.00 - 12500 kPa
  • Engine Speed > 400 - 5000 [RPM]
  • Fuel Rail Pressure controller via fuel metering unit = Active
  • Pressure Control Valve >= 345000 - 240000 kPa
  • Fuel Rail Pressure controller via fuel metering unit = Active
  • Engine Speed > 400 - 630 [RPM]
  • Fuel Rail Pressure controller via fuel metering unit = Active
 0.3 - 30 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator -N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0088 Fuel Rail/System Pressure - Too High
  • Max Rail Pressure > 215000 kPa
  • Pressure Control Valve <= 20000 kPa
  • Engine Speed > 400 - 5000 [RPM]
  • Rail Pressure Controller via Fuel Metering unit = Active
 0.2 - 1 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator -N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0090 Fuel Pressure Regulator Control Circuit Open
  • Signal Voltage < 4.7 [V]
  • ECM Power stage = permanently high
 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator -N276-, CHECKING .
P0091 Fuel Pressure Regulator Control Circuit Grounded
  • Signal Voltage < 2.97 [V]
  • ECM Power stage = permanently high
 0.3 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator -N276-, CHECKING .
P0092 Fuel Pressure Regulator Control Circuit Shorted to Battery Voltage
  • Signal Current > 3.0 A
  • Power stage = permanently low
 0.2 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator -N276-, CHECKING .
P00AF  Turbocharger Boost Pressure Actuator Control functional check STUCK OPEN:
  • control deviation> 8.00[%]
OR
  • control deviation< -8.00[%]
  • actual position <= 30.00[%]
   3500 ms
  • Continuous
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P00C6 Fuel Rail Pressure System
  • Fuel Rail, high pressure value < 12000 - 23000 kPa
  • Engine Speed @ Start > 70 [RPM]
  • AAT >= - 7 [°C]
  • Barometric pressure >= 75kPa
 once / DCY
  • 2 DCY
 -- Check the Fuel Pressure Regulator Valve -N276-. Refer to Fuel Pressure Regulator -N276-, CHECKING .-- Check the Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0101 Mass Air Flow Circuit Range/Performance
  • Ratio of modeled and measured air mass flow > 1.15 or < 0.85
  • Engine speed = 1100 to 2500 [RPM]
  • Ambient pressure > 50 kPa
  • Boost pressure = 50 - 200 kPa
  • ECT = 60 - 110 [°C]
  • EGR valve closed = 100%
  • Intake runner flap signal > 94%
  • Throttle valve signal > 94%
  • Fuel quantity < 0.5 mg/stroke
 5 - 10 s
  • Continuous
  • 2 DCY
 -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Air Flow Sensor -G70-, CHECKING .
P0102 Mass Air Flow Circuit Low Input
  • MAF sensor signal (< 0.083 ms) > 900 kg/hr
   1 s
  • Continuous
  • 2 DCY
 -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Air Flow Sensor -G70-, CHECKING .
P0103 Mass Air Flow Circuit High Input
  • MAF sensor signal (> 4.5 ms) <= 0 kg/hr
   1 s
  • Continuous
  • 2 DCY
 -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Air Flow Sensor -G70-, CHECKING .
P0104 Mass Air Flow Circuit Intermittent
  • MAF sensor signal period = not measurable
  • Engine = running
 0.8 to 1 s
  • Continuous
  • 2 DCY
 -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Air Flow Sensor -G70-, CHECKING .
P0111 Intake Air Temperature Circuit Performance
  • Temperature difference to ECT, ECT 2 > 35 [°K]
  • Temperature difference to FTS > 40 [°K]
  • Temperature difference to T1 > 45 [°K]
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 [°K] at > 25 mph for 20 s
  • Decrease of AAT after engine start < 5 [°K] for 60 s
 20 s with speed above 25 mph
  • Continuous
  • 2 DCY
 -- Check IAT Sensor -G42-. Refer to Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-, CHECKING .
P0112 Intake Air Temperature Circuit Low Input
  • Signal voltage < 162 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check IAT Sensor -G42-. Refer to Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-, CHECKING .
P0113 Intake Air Temperature Circuit High Input
  • Signal voltage > 3255 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check IAT Sensor -G42-. Refer to Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-, CHECKING .
P0116 Engine Coolant Temperature Sensor @1 Circuit Range/Performance
  • ECT increase < f(ECT @ start) [°K]
and
  • Engine running time > f(ECT @ start) s
OR
  • Temperature difference to ECT 2 > 30 [°K]
  • Temperature difference to T2, FTS > 35 [°K]
  • Temperature difference to T1 > 40 [°K]
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 [°K] at > 25 mph for 20 s
  • Decrease of AAT after engine start < 5 [°K] for 60 s
OR
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 [°K] at > 25 mph for 20 s
  • Decrease of AAT after engine start < 5 [°K] for 60 s
 20 s with speed above 25 mph
  • 2 DCY
 -- Check Engine Temperature Control Sensor -G694-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0117 Engine Coolant Temperature Sensor 1 Circuit low
  • Signal voltage < 162 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0118 Engine Coolant Temperature Sensor 1 Circuit High
  • Signal voltage > 3255 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check Engine Coolant Temperature (ECT) Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0121 Throttle Position Sensor Circuit Performance
  • Position sensor signal > 1 [V] or 0.15 to 0.30 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING
P0122 Throttle Position Sensor Circuit Low Input
  • Position sensor signal < 0.15 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING
P0123 Throttle Position Sensor Circuit High Input
  • Position sensor signal >= 4.85 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING
P0128 Engine Coolant Temperature Sensor Rationality Check
  • ECT @ cylinder head < 66 [°C]
 MONITOR ENTRY CONDITIONS:
  • engine speed>= - 1[rpm]
  • ECT @ cylinder head @ start- 7 - 56 [°C]
  • Engine speed > 500 [RPM]
Start of ECT Model Calculation:
  • time after engine start60 - 328 [s]
  • ECT @ cylinder head minus ECT @ cylinder head @ start > - 327[K]
End of ECT Model Calculation:
  • modeled ECT > 76 [°C]
Conditions at fault decision:
  • end of ECT model calculationreached
  • time since start of ECT model calculation< 960.0 [s]
Restart of ECT Model Calculation:
  • max. ECT @ cylinder head> 66[°C]
  • ECT @ cylinder head decreases in same DCY< 56[°C]
 0 s
  • Multiple
  • 2 DCY
 -- Check the thermostat for proper operation (stuck open or damaged). Refer to the Repair Service Information for Diagnostic.-- Check Engine Coolant Temperature Sensor -G62-. Refer to Engine Coolant Temperature Sensor -G62-, CHECKING .
P0130 O2 Sensor Circuit Bank 1 Sensor 1 Malfunction SHORT TO BATTERY VOLTAGE:
  • Virtual Mass (VM) > 3.0 [V]
  • Nernst voltage (UN) > 4.0 [V]
  • Adjustment Voltage IA/IP > 1.5 [V]
Shorted to Ground:
  • Virtual Mass (VM) < 2.0 [V]
  • Nernst voltage (UN) < 1.75 [V]
  • Adjustment IA/IP < 0.3 [V]
  • Heater control = active
 2 s
  • Continuous
  • 2 DCY
 -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P0132 O2 Sensor Circuit Bank 1 Sensor 1 High Voltage
  • O2 signal > 3.2 [V]
  • Calibration of internal resistance or O2 = not active
  • O2 heater active
  • Dewpoint exceeded
  • O2 heater temperature > 720 and < 840 [°C]
  • Modeled exhaust pressure < 170 kPa
 2 s
  • Continuous
  • 2 DCY
 -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P0133  O2 Sensor Circuit Bank 1 Sensor 1 Slow Response
  • Time to reach 60% oxygen > 4 s
  • Heater control active
  • DPF regeneration = not active
  • Fuel quantity before fuel cutoff 12 mg/stroke
  • Change of fuel quantity before fuel cutoff < 3 mg/stroke for > 2 s
  • Fuel quantity in fuel cutoff < 0.5 mg/stroke
  • Time to fuel cutoff < 1.5 s
  • Engine speed > 1150 [RPM]
 10 s
  • Continuous
  • 2 DCY
 -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P0134 O2 Sensor Heated Circuit, Bank 1, Sensor 1 No Activity Detected / Feedback Check
  • Integrated oxygen sensor temperature > 330000 - 1117476 K
  • oxygen sensor heating = not active
  • modeled temperature @ oxygen sensor mount point > 32 K
  • time after engine start > 3 s
 0 s
  • Multiple
  • 2 DCY
 -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P0135 O2 Sensor Heater Circuit Bank 1 Sensor 1 Malfunction
  • Sensor element temperature < 720 or > 840 [°C]
  • Power stage active and signal current = -100 to 10000 uA
  • Power stage not active and signal current = -1000 to -350 uA
  • Power stage not active and signal current = -100 to 100 uA
  • Heater control = active
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 s
  • Dewpoint exceeded
  • Calibration of internal resistance or O2 = not active
 5, 30 or 60 s depending on temperature
  • Continuous
  • 2 DCY
 -- Check Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P016A Fuel Trim, Feedback Check
  • Control Intervention = 0 %
  • Fuel Cut-Off = Active
  • Engine = Running
  • AAT > -7 [°C]
  • Barometric Pressure > 70 kPa
  • Lambda Deviation > 1 [-]
 5 s
  • Continuous
  • 2 DCY
 -- Excessive Time To Enter Closed Loop Air/Fuel Ratio Control -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak or check for low Fuel pressure. Refer to the Repair Service Information for Fuel System test procedures and cautions.
P0171  Fuel Trim, System Lean
  • Fuel Mass Correction Value = < -0.01 [g/rev]
  • Fuel Mass Observer = Active
  • Rate of Change, Injector Quality < 0.03 [g/rev]
  • ECT @ Cylinder Head = -200 - 200 [°C]
  • Barometric Pressure > 70 kPa
  • AAT > -7 [°C]
  • Engine Speed = > 570 [RPM]
  • Injector Quality > 0 [g/rev]
 5 s
  • Multiple
  • 2 DCY
 -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak or check for low Fuel pressure. Refer to the Repair Service Information for Fuel System test procedures and cautions.
P0172  Fuel Trim, System Rich
  • Fuel Mass Correction Value = > 0.01 [g/rev]
  • Fuel Mass Observer = Active
  • Rate of Change, Injector Quality < 0.03 [g/rev]
  • ECT @ Cylinder Head = -200 - 200 [°C]
  • Barometric Pressure > 70 kPa
  • AAT > -7 [°C]
  • Engine Speed = > 570 [RPM]
  • Injector Quality > 0 [g/rev]
 5 s
  • Multiple
  • 2 DCY
 -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an intake air leak or check for low Fuel pressure. Refer to the Repair Service Information for Fuel System test procedures and cautions.
P0181 Fuel Temperature Sensor Circuit Range/Performance
  • Number of Detected Faults >= 6.00[-]
Cross checks for fault detection:
  • FTS vs. ECT @ cylinder head > 35 K
  • FTS vs. IAT > 35K
  • FTS vs. EOT > 35 K
  • FTS vs. AAT > 35K
  • FTS vs. ECT @ radiator outlet > 35 K
  • FTS vs. ECT @ cylinder block > 35 K
  • FTS vs. TEGR > 35 K
 MONITOR ENTRY CONDITIONS:
  • engine off time> 9.0 Hrs.
  • engine speed> 0[rpm]
  • for time> 0.8[s]
  • ECT @ cylinder head @ start< 30[°C]
  • or
  • ECT @ radiator outlet @ start< 30 [°C]
BLOCK-HEATER:
  • engine= running
  • max ECT @ cylinder head - ECT @ cylinder head @ start< 90[K]
  • ECT @ radiator outlet @ start - min ECT @ radiator outlet< 5[K]
  • ECT @ cylinder head @ start - min ECT @ cylinder head < 5[K]
  • time after engine start< 60.0[s]
SOLAR RADIATION:
  • vehicle speed> 25 mph
  • for time> 20 s
  • AAT @ start - AAT @ condition< 5.0 K
  • IAT @ start - IAT @ condition< 5.0 K
IF INDEPENDENT CAR HEATER INTEGRATED:
  • time after engine start> 5 s
  • Independent Car Heater = not active
 50 ms
  • once / DCY
  • 2 DCY
 -- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0182 Fuel Temperature Sensor Circuit Grounded
  • Signal Voltage < 0.10 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0183 Fuel Temperature Sensor Circuit Shorted to Battery Voltage / Open
  • Signal Voltage > 4.9 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check Fuel Temperature Sensor -G81-. Refer to Fuel Temperature Sensor -G81-, CHECKING .
P0191 Fuel Rail Pressure Sensor Circuit Range/Performance
  • Signal voltage < 0.428 [V] or > 0.613 [V]
  • Delay time till start of monitoring During After-run =2.1 -12 s
  • Fuel temperature > - 7°C
  • fuel high pressure control valve electric current < = 1.70 A
  • Keep alive memory = Active
 0.1 s
  • Once/DCY
  • 2 DCY
 -- Check Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0192 Fuel Rail Pressure Sensor Circuit Low Input
  • Signal voltage < 0.2 [V]
   0.1 s
  • Continuous
  • 2 DCY
 -- Check Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P0193 Fuel Rail Pressure Sensor Circuit High Input
  • Signal voltage > 4.8 [V]
   0.1 s
  • Continuous
  • 2 DCY
 -- Check Fuel Pressure Sensor -G247-. Refer to Fuel Pressure Sensor -G247-, CHECKING .
P01BA Engine Oil Temperature Sensor 2 Performance
  • EOT cross checks for fault detection: >= 6 detected faults
  • EOT vs. ECT 3, IAT, FTS, AAT or ECT 2 > 30 Kelvin
  • Engine off time > 32400 s
  • Engine speed > 0 [RPM] for > 0.8 s
  • ECT @ cylinder head @ start< 30 [°C]
 50 ms
  • Once
  • 2 DCY
 -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 -G664-, CHECKING
P01BB Engine Oil Temperature Sensor 2 Circuit Low
  • Signal voltage < 0.20 [V] for >= 5 s
   5 s
  • Continuous
  • 2 DCY
 -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 -G664-, CHECKING
P01BC Engine Oil Temperature Sensor 2 Circuit High
  • Signal voltage > 4.85 [V] for >= 5 s
   5 s
  • Continuous
  • 2 DCY
 -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 -G664-, CHECKING
P01BD Engine Oil Temperature Sensor 2 Circuit Intermittent/Erratic
  • Oil temperature increase < 3.0 K
  • Oil temperature < 66 [°C]
  • Evaluation timer > 59 - 251 s
  • Engine speed > 1400 [RPM]
  • Injection quantity 0.015 [g/rev].
  • ECT at cylinder head > -50 [°C]
 0 s
  • Once
  • 2 DCY
 -- Check Oil Temperature Sensor 2 -G664-. Refer to Oil Temperature Sensor 2 -G664-, CHECKING
P01E3 Engine Temperature Control Sensor Circuit Shorted to Battery Voltage
  • Signal voltage > 4.92 [V]
   5 s
  • Continuous
  • 2 DCY
 -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING
P01E4 Engine Temperature Control Sensor Circuit Range/Performance
  • ETC vs IAT or AAT or FTS at start up > 35 K
  • Engine off time > 32400 s
  • Engine speed > 0 [RPM] for > 0.8 s
 50 ms
  • Once
  • 2 DCY
 -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING
P01E5 Engine Temperature Control Sensor Circuit Grounded
  • Signal voltage < 0.22 [V]
   5 s
  • Continuous
  • 2 DCY
 -- Check the Engine Temperature Control Sensor -G694-. Refer to Engine Temperature Control Sensor -G694-, CHECKING
P0201 Cylinder 1 Injector Circuit Malfunction
  • Open Circuit Signal Voltage > 60 [V]
  • Short to Battery Voltage (Low Side) Signal Voltage = Failure
  • Short Circuit Over Load Signal Voltage > 30 [V]
Short Circuit Low Side:
  • Deviation between set and actual signal voltage after charging, Injector voltage > 30% of nominal voltage
  • deviation between set and actual signal voltage before charging, Injector voltage > 45% of nominal voltage
  • Injection Value = Switched On
 4 injection cycles
  • Continuous
  • 2 DCY
 -- Check Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .
P0202 Cylinder 2 Injector Circuit Malfunction
  • Open Circuit Signal Voltage > 60 [V]
  • Short to Battery Voltage (Low Side) Signal Voltage = Failure
  • Short Circuit Over Load Signal Voltage > 30 [V]
Short Circuit Low Side:
  • Deviation between set and actual signal voltage after charging, Injector voltage > 30% of nominal voltage
  • deviation between set and actual signal voltage before charging, Injector voltage > 45% of nominal voltage
  • Injection Value = Switched On
 4 injection cycles
  • Continuous
  • 2 DCY
 -- Check Cylinder 2 Fuel Injector -N31-. Refer to FUEL INJECTORS, CHECKING .
P0203 Cylinder 3 Injector Circuit Malfunction
  • Open Circuit Signal Voltage > 60 [V]
  • Short to Battery Voltage (Low Side) Signal Voltage = Failure
  • Short Circuit Over Load Signal Voltage > 30 [V]
Short Circuit Low Side:
  • Deviation between set and actual signal voltage after charging, Injector voltage > 30% of nominal voltage
  • deviation between set and actual signal voltage before charging, Injector voltage > 45% of nominal voltage
  • Injection Value = Switched On
 4 injection cycles
  • Continuous
  • 2 DCY
 -- Check Cylinder 3 Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .
P0204 Cylinder 4 Injector Circuit
  • Open Circuit Signal Voltage > 60 [V]
  • Short to Battery Voltage (Low Side) Signal Voltage = Failure
  • Short Circuit Over Load Signal Voltage > 30 [V]
Short Circuit Low Side:
  • Deviation between set and actual signal voltage after charging, Injector voltage > 30% of nominal voltage
  • deviation between set and actual signal voltage before charging, Injector voltage > 45% of nominal voltage
  • Injection Value = Switched On
 4 injection cycles
  • Continuous
  • 2 DCY
 -- Check Cylinder 4 Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .
P0205 Cylinder 5 Injector Circuit
  • Open Circuit Signal Voltage > 60 [V]
  • Short to Battery Voltage (Low Side) Signal Voltage = Failure
  • Short Circuit Over Load Signal Voltage > 30 [V]
Short Circuit Low Side:
  • Deviation between set and actual signal voltage after charging, Injector voltage > 30% of nominal voltage
  • deviation between set and actual signal voltage before charging, Injector voltage > 45% of nominal voltage
 Injection Value = Switched On 4 injection cycles
  • Continuous
  • 2 DCY
 -- Check Cylinder 5 Fuel Injector -N83-. Refer to FUEL INJECTORS, CHECKING .
P0206 Cylinder 6 Injector Circuit
  • Open Circuit Signal Voltage > 60 [V]
  • Short to Battery Voltage (Low Side) Signal Voltage = Failure
  • Short Circuit Over Load Signal Voltage > 30 [V]
Short Circuit Low Side:
  • Deviation between set and actual signal voltage after charging, Injector voltage > 30% of nominal voltage
  • deviation between set and actual signal voltage before charging, Injector voltage > 45% of nominal voltage
  • Injection Value = Switched On
 4 injection cycles
  • Continuous
  • 2 DCY
 -- Check Cylinder 6 Fuel Injector -N84-. Refer to FUEL INJECTORS, CHECKING .
P0234  Turbo Charger Overboost Condition limit exceeded
  • Control deviation < -22 kPa
  • Boost pressure control mode = closed loop
  • RPM > 1650
  • Fuel quantity > 15 mg/stroke
 3.6 s
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P0236 Turbocharger Boost Pressure Sensor Circuit Performance
  • Absolute value of pressure difference > 14 kPa
  • Engine speed < 600 [RPM]
 200 ms
  • 2 DCY
 -- Check Charge Air Pressure Sensor -G31-. Refer to Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-, CHECKING .
P0237 Turbocharger Boost Pressure Sensor Circuit Low Input
  • Sensor voltage < 0.40 [V]
   480 ms
P0238 Turbocharger Boost Pressure Sensor Circuit High Input
  • Sensor voltage > 4.90 [V]
P026A  Charge Air Cooler Below Efficiency
  • Filtered charge air cooler efficiency < 7[-]
 MONITOR ENTRY CONDITIONS:
  • vehicle speed >= 25 [mph]
  • air mass flow 100 - 400[kg/h]
  • ECT @ cylinder head 50 - 95[°C]
  • pressure ratio of boost and barometric kPa pressure>= 1.35[-]
  • difference between modeled intake air temperature and AAT >= 8[K]
  • injection quantity >= 0.015[g/rev]
  • barometric pressure > 75 [kPa]
  • AAT> - 7 [°C]
  • Vehicle speed > 40 km/h
  • ECT > 50 [°C]
  • Engine operation mode normal
  • Ambient temperature > 7 [°C]
Condition at fault decision monitor entry conditions:
  • fulfilled stored heat under engine hood: not detected
  • vehicle speed > 3 - 25[mph] for time > 15 - 90 [s]
 150 s
  • 2 DCY
 -- Check for road debris on the right or left intercooler obstructing air flow. If any other related (turbocharger) fault codes are set, diagnose those codes first. -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P0263  Cylinder 1 Contribution / Balance Internal Check
  • Diagnostic signal from power stage = Failure
  • engine speed = 97- - 2080 [RPM]
  • IAT > - 7 [°C]
  • fuel temperature = 0 - 80 [°C]
  • ECT @ Cylinder Head > 65° C
  • boost pressure > 85 kPa
  • gear> 3
  • fuel cut off =active
  • intake air temperature > 0° C
  • DPF regeneration =not active
  • deviation to target rail pressure = 1500 - 2000 kPa
 0.5 s
  • Continuous
  • 2 DCY
 -- Check Cylinder 1 Fuel Injector -N30-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Service Information.
P0266  Cylinder 2 Contribution / Balance Internal Check
  • Diagnostic signal from power stage = Failure
  • Adaptive Value Limit High > 213 - 412 [μs]
  • Adaptive Value Limit Low < 213 - 412 [μs]
  • engine speed = 97- - 2080 [RPM]
  • IAT > - 7 [°C]
  • fuel temperature = 0 - 80 [°C]
  • ECT @ Cylinder Head > 65° C
  • boost pressure > 85 kPa
  • gear> 3
  • fuel cut off = active
  • intake air temperature > 0° C
  • DPF regeneration =not active
  • deviation to target rail pressure = 1500 - 2000 kPa
 0.0 - 0.5 s
  • Continuous
  • 2 DCY
 -- Check Fuel Injector - N33-. Refer to FUEL INJECTORS, CHECKING .-- Check Cylinder 2 Combustion Chamber Pressure Sensor -G678-. Refer to Cylinder 2 Combustion Chamber Pressure Sensor -G678-, CHECKING Repair Service Information.-- Check cylinder compression. Refer to Repair Service Information.
P0269  Cylinder 3 Contribution / Balance Internal Check
  • Diagnostic signal from power stage = Failure
  • Adaptive Value Limit High > 213 - 412 [μs]
  • Adaptive Value Limit Low < 213 - 412 [μs]
  • engine speed = 97- - 2080 [RPM]
  • IAT > - 7 [°C]
  • fuel temperature = 0 - 80 [°C]
  • ECT @ Cylinder Head > 65° C
  • boost pressure > 85 kPa
  • gear> 3
  • fuel cut off = active
  • intake air temperature > 0° C
  • DPF regeneration =not active
  • deviation to target rail pressure = 1500 - 2000 kPa
 0.0 - 0.5 s
  • Continuous
  • 2 DCY
 -- Check Cylinder 3 Fuel Injector -N32-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Service Information.
P0272  Cylinder 4 Contribution / Balance Internal Check
  • Diagnostic signal from power stage = Failure
  • Adaptive Value Limit High > 213 - 412 [μs]
  • Adaptive Value Limit Low < 213 - 412 [μs]
  • engine speed = 97- - 2080 [RPM]
  • IAT > - 7 [°C]
  • fuel temperature = 0 - 80 [°C]
  • ECT @ Cylinder Head > 65° C
  • boost pressure > 85 kPa
  • gear> 3
  • fuel cut off =active
  • intake air temperature > 0° C
  • DPF regeneration =not active
  • deviation to target rail pressure = 1500 - 2000 kPa
 0.0 - 0.5 s
  • Continuous
  • 2 DCY
 -- Check Cylinder 4 Fuel Injector -N33-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Service Information.
P0275  Cylinder 5 Contribution / Balance Internal Check
  • Diagnostic signal from power stage = Failure
  • Adaptive Value Limit High > 213 - 412 [μs]
  • Adaptive Value Limit Low < 213 - 412 [μs]
  • engine speed = 97- - 2080 [RPM]
  • IAT > - 7 [°C]
  • fuel temperature = 0 - 80 [°C]
  • ECT @ Cylinder Head > 65° C
  • boost pressure > 85 kPa
  • gear > 3
  • fuel cut off = active
  • intake air temperature > 0° C
  • DPF regeneration =not active
  • deviation to target rail pressure = 1500 - 2000 kPa
 0.0 - 0.5 s
  • Continuous
  • 2 DCY
 -- Check Cylinder 5 Fuel Injector -N83-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Service Information.
P0278  Cylinder 6 Contribution / Balance Internal Check
  • Diagnostic signal from power stage = Failure
  • Adaptive Value Limit High > 213 - 412 [μs]
  • Adaptive Value Limit Low < 213 - 412 [μs]
  • engine speed = 97- - 2080 [RPM]
  • IAT > - 7 [°C]
  • fuel temperature = 0 - 80 [°C]
  • ECT @ Cylinder Head > 65° C
  • boost pressure > 85 kPa
  • gear > 3
  • fuel cut off = active
  • intake air temperature > 0° C
  • DPF regeneration =not active
  • deviation to target rail pressure = 1500 - 2000 kPa
 0.0 - 0.5 s
  • Continuous
  • 2 DCY
 -- Check Cylinder 6 Fuel Injector -N84-. Refer to FUEL INJECTORS, CHECKING .-- Check cylinder compression. Refer to Repair Service Information.
P0299 Turbo Boost Pressure Control rationality check High
  • diff. set value boost pressure vs. actual boost pressure value: depending on ECT > 30 - 100[kPa]
  • diff. set value boost pressure vs. actual boost pressure value: depending on engine speed and fuel quantity > 35 - 100 [kPa]
  • boost pressure< 0 - 85 [kPa]
  • Boost pressure control mode = closed loop
  • RPM > 1650
  • Fuel quantity > 15 mg/stroke
 10 s
  • 2 DCY
 -- Check for disconnected or damaged air duct. -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .-- Check Charge Air Pressure Sensor --. Refer to Charge Air Pressure Sensor -G31- / Intake Air Temperature Sensor -G42-, CHECKING .
P0300 Random/Multiple Cylinder. Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1100 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check for fuel contamination.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check for a plugged fuel filter or restricted/kinked line. Refer to Repair Service Information
P0301  Cylinder 1 Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1650 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0302  Cylinder 2 Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1100 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0303  Cylinder 3 Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1100 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0304  Cylinder 4 Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1100 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0305  Cylinder 5 Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1100 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0306  Cylinder 6 Misfire Detected
  • Rise in engine speed after fuel injection Calculated based on values from last two engine revolutions
  • Error threshold 82% misfire over 440 crankshaft revolutions
  • Engine speed, > 600 [RPM]
  • Engine speed, < 1100 [RPM]
  • Fuel quantity > 4 mg/stroke
  • Fuel quantity < 25 mg/stroke
  • ECT, > 30 [°C]
  • Time since start, > 5 s
 < 440 Engine Rev. once per DCY
  • 2 DCY
 -- Check Fuel Injectors --. Refer to FUEL INJECTORS, CHECKING .-- Check the Fuel Pressure. NOTE: The Fuel is under HIGH pressure. Refer to the Repair Service Information for procedure before disconnecting any system components.-- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .-- Check engine compression
P0321 Engine Speed Input Circuit Range/Performance
  • Counted teeth vs. reference > 200
  • Monitoring reference gap failure
  • Ignition On
  • Engine speed > 400 [RPM]
 0.5 s
  • Continuous
  • 2 DCY
 -- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P0322 Engine Speed Input Circuit No Signal
  • Camshaft signals > 10
  • Engine speed = no signal
  • Ignition On
 0.5 s
  • Continuous
  • 2 DCY
 -- Check Engine Speed (RPM) Sensor -G28-. Refer to Engine Speed Sensor -G28-, CHECKING .
P04DD Cold Start EGR Insufficient Flow Detected
  • Control deviation < f (engine speed, injection quantity, target air mass flow)
  • EGR = closed loop
  • Fuel quantity 6 to 17 mg/stroke
  • Engine speed 660 to 2500 [RPM]
  • DPF regen. = off
 10 s
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P04DE Cold Start EGR Excessive Flow Detected
  • Ratio of modeled and measured air mass flow > f (turbo charger position)
  • EGR valve closed = 100%
  • Throttle valve signal > 94%
  • Intake runner flap signal > 94%
  • Engine speed 1100 to 2500 [RPM]
  • Boost pressure 50 to 200 kPa
  • ECT 0 to 110 [°C]
  • Ambient pressure > 50 kPa
  • Fuel quantity < 0.5 mg/stroke
 4 s
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P040B Exhaust Gas Recirculation Temperature Sensor Circuit Range/Performance
  • measured sensor temperature - mean value of modeled temperature
  • DPF regeneration = not active
  • ECT @ Cylinder Head > 65 [°C]
  • EGR Valve <= 93.01%
 10 s
  • Multiple
  • 2 DCY
 -- Check EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P040C Exhaust Gas Recirculation Temperature Sensor Circuit Low
  • Signal voltage < 0.68 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P040D Exhaust Gas Recirculation Temperature Sensor Circuit High
  • Signal voltage > 2.61 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check EGR Temperature Sensor -G98-. Refer to EGR Temperature Sensor -G98-, CHECKING .
P0401  Exhaust Gas Recirculation Insufficient Flow Detected
  • Control deviation < f (engine speed, injection quantity, target air mass flow)
  • EGR = closed loop
  • Fuel quantity, = 6 - 17 mg/stroke
  • Engine speed, > 660 and < 2500 [RPM]
  • DPF regeneration mode = Off
 10 s
  • Continuous
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0402  Exhaust Gas Recirculation Excessive Flow Detected
  • Ratio of modeled and measured air mass flow > 1.3[-]
  • EGR valve closed = 100%
  • Throttle valve signal > 94%
  • Engine speed, > 1100 - 2500 [RPM]
  • Boost pressure = 50 - 200 kPa
  • ECT = 60 - 110 [°C]
  • Ambient pressure > 50 kPa
  • Fuel quantity > 0.5 mg/stroke
 5 s
  • Continuous
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0403 Exhaust Gas Recirculation Actuator Circuit Functional Check
  • control deviation> 10.00 [%]
OR
  • control deviation < -10.00 [%]
OR
  • actual position < = 17.00 [%]
  • control deviation > 10.00 [%]
OR
  • control deviation< -10.00 [%]
  • actual position> 17.00 [%]
Open circuit:
  • signal voltage > 0.8; < 2.0 [V]
short to ground:
  • signal current > 8 - 18 [A]
short to battery voltage:
  • signal current > 8 - 18 [A]
  • ECM Power stage = On or Off (defendant on diagnostic run)
 480 - 4000 ms (defendant on diagnostic run)
  • Continuous
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0404 Exhaust Gas Recirculation Control Circuit Range/Performance
  • Control deviation > 10%
  • Actual position > 17%
  • Cold start strategy = active
 5500 ms
  • Continuous
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0405 Exhaust Gas Recirculation Sensor Circuit Low
  • Position sensor signal < 0.25 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0406 Exhaust Gas Recirculation Sensor Circuit High
  • Position sensor signal > = 4.75 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0420  Catalyst System Bank 1 Efficiency Below Threshold
  • Ratio of measured and modeled heat < 0.3
  • Modeled catalyst temp. > 210 [°C]
  • Modeled heat quantity flow > 1600 W
  • Integrated post injection >= 60g within 300 s
 0 s
  • 1 DCY
 -- Check the Catalytic Converter. Refer to CATALYTIC CONVERTER, CHECKING .
P046C Exhaust Gas Recirculation Sensor Circuit Range/Performance
  • Position sensor signal > 1.05 [V]
  • ECT > -20 [°C]
 200 ms.
  • 2 DCY
 -- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P050A Cold Start Idle Air Control System Performance
  • Idle speed control deviation more than 10% under or 10% above desired idle speed
  • Engine running
  • ECT -7.04 to 108.94 [°C]
  • Vehicle speed < 1 km/h
  • APP = 0%
  • Cold Start Emission Reduction active
 1000 ms
  • Continuous
  • 2 DCY
 -- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP or MAP related faults first. -- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P050E Cold Start Engine Exhaust Temperature Too Low SCR Catalyst, Temperature, plausibility check
  • Exhaust gas temperature < 150 [°C]
  • AAT > -40 [°C]
 0 s
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P0501 Vehicle Speed Sensor Performance
  • Vehicle speed < 4 km/h
  • Engine speed = 850 - 4520 [RPM]
  • ECT > 40 [°C]
  • Fuel cutoff = active
 3 s
  • 2 DCY
 -- Check the speed signal input. Refer to Repair Service Information for ABS Diagnosis of wheel speed sensor.
P0502 Vehicle Speed Sensor Circuit Low
  • Sensor signal failure
    
  • Continuous
  • 2 DCY
 -- Check the speed signal input. Refer to Repair Service Information for ABS Diagnosis of wheel speed sensor.
P0506 Idle Control System RPM Lower than Expected
  • Control deviation < 10%
  • ECT > -7.04 [°C] and < 106.94 [°C]
  • Veh speed < 1 km/h
  • Accelerator pedal position = 0
 25000 ms
  • 2 DCY
 -- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP, Throttle control or MAP related faults first.-- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .
P0507 Idle Control System RPM Higher than Expected
  • Control deviation > 10%
  • ECT > -7.04 [°C] and < 106.94 [°C]
  • Veh speed < 1 km/h
  • Accelerator pedal position = 0
 25000 ms
  • 2 DCY
 -- Check for any TSB's that may apply to this fault. If multiple codes are set, perform diagnosis for any fuel system, engine speed sensor, MAF, EGR, APP, Throttle control or MAP related faults first.-- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .
P052F Glow Plug Control Module System Voltage
  • Error message from Glow Control Unit.
  • Communication time after T15 on > 500 ms
 500 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0544 Exhaust Gas Temperature Sensor Circuit Short to Battery Voltage or Open
  • Signal voltage > 2.61 [V]
   480 ms
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P0545 Exhaust Gas Temperature Sensor Circuit Low
  • Signal voltage < 0.68 [V]
   480 ms
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 1 -G235-. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P06BA Cylinder 2 Glow Plug Circuit Range/Performance
  • Glow plug resistance (between 4 - 9 s) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 s) < 0.4 ohm
  • Glow plug resistance (after 14 s) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
  • Glow system = active
 2 s
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06BB Cylinder 3 Glow Plug Circuit Range/Performance
  • Glow plug resistance (between 4 - 9 s) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 s) < 0.4 ohm
  • Glow plug resistance (after 14 s) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
  • Glow system = active
 2 s
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06BC Cylinder 4 Glow Plug Circuit Range/Performance
  • Glow plug resistance (between 4 - 9 s) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 s) < 0.4 ohm
  • Glow plug resistance (after 14 s) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
  • Glow system = active
 2 s
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06BD Cylinder 5 Glow Plug Circuit Range/Performance
  • Glow plug resistance (between 4 - 9 s) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 s) < 0.4 ohm
  • Glow plug resistance (after 14 s) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
  • Glow system = active
 2 s
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06BE Cylinder 6 Glow Plug Circuit Range/Performance
  • Glow plug resistance (between 4 - 9 s) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 s) < 0.4 ohm
  • Glow plug resistance (after 14 s) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
  • Glow system = active
 2 s
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06B0 Reducing Agent Metering System Control Module -J880- detects short circuit of supply voltage
  • Sensor supply voltage < 0.2 > - 5.3 [V]
  • Ignition = On
 1 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
P06B9 Cylinder 1 Glow Plug Circuit Range/Performance
  • Glow plug resistance (between 4 - 9 s) < 0.3 ohm
  • Glow plug resistance (between 9 - 14 s) < 0.4 ohm
  • Glow plug resistance (after 14 s) < 0.5 ohm
  • Glow plug resistance anytime > 1.2 ohm
  • Glow system = active
 2 s
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06E5 Glow Plug Control Module Performance
  • Calculated ground offset >= 1.75 [V] or < = -1.75 [V]
  • Glow system active
 1 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P06FE Cold Start Diesel Intake Air Flow Control Performance
  • Signal low
  • Cold start emission strategy active
 4 s
  • Continuous
  • 2 DCY
 -- Check Mass Air Flow (MAF) Sensor -G70-. Refer to Mass Air Flow Sensor -G70-, CHECKING .-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P0604 Internal Control Module Random Access Memory (RAM) Error
  • Read/write error bit set
    
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P0605 Internal Control Module Read Only Memory (ROM) Error
  • Internal self test failed
    
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P0606 Internal Control Module Memory Check Sum Error
  • ECM internal self test failed
  • RAM error in memory
  • Injection condition = injector On
  • Initialization phase of ECU
  • 4.8 s or 40 revolutions
  • Continuous
  • 2 DCY
 -- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P0607 Control Module Performance
  • Oxygen sensor adaptation > 0.2 [V] or < -0.2 [V]
  • Internal communication failed
  • Supply voltage for IC < 9 [V]
OR
  • Sensor voltage < 0.265 [V] or > 3.9 [V]
  • Oxygen sensor raw signal calibration = active
  • Dewpoint exceeded
  • 200 ms to 2 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If no other codes have set:-- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P0634 ECM Internal Temperature Too High CURRENT OVER-TEMPERATURE DIAGNOSTIC SIGNAL FROM OUTPUT DRIVER:
  • power stage temperature > 150 [°C]
  • ECM power stage = on
 1.1 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If P0634 resets:-- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P0638 Throttle Actuator Control Bank 1 Range/Performance
  • Diagnostic signal = low state
   480 ms
  • 2 DCY
 -- Check the Throttle Valve Control Module. Refer to Throttle Valve Control Module -J338-, CHECKING .
P064C Glow Plug Control Module
  • Received incorrect number of cylinders or glow plug type is unequal to ECU application = error bit
  • Glow system = active
 1 - 3 s
  • Continuous
  • 2 DCY
 -- Check for correct ECM software installed.-- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0641 Sensor Reference Voltage "A" Circuit/Open
  • Voltage supply < 4.7 [V] or > 5.3 [V]
   50 ms
  • Continuous
  • 2 DCY
 -- Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P0651 Sensor Reference Voltage "B" Circuit/Open
  • Voltage supply < 4.7 [V] or > 5.3 [V]
   50 ms
  • Continuous
  • 2 DCY
 -- Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P066A Cylinder 1 Glow Plug Control Circuit Low
  • Glow current >= 70 A
  • Glow system active
 2 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P066C Cylinder 2 Glow Plug Control Circuit Low
  • Glow current >= 70 A
  • Glow system active
 2 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P066E Cylinder 3 Glow Plug Control Circuit Low
  • Glow current >= 70 A
  • Glow system active
 2 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P067A Cylinder 4 Glow Plug Control Circuit Low
  • Glow current >= 70 A
  • Glow system active
 2 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P067B Cylinder 4 Glow Plug Control Circuit High
  • Error message from Glow Control Unit
  • Glow system active
 750 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P067C Cylinder 5 Glow Plug Control Circuit Low
  • Glow current >= 70 A
  • Glow system active
 2 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P067D Cylinder 5 Glow Plug Control Circuit High
  • Error message from Glow Control Unit
  • Glow system active
 750 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P067E Cylinder 6 Glow Plug Control Circuit Low
  • Glow current >= 70 A
  • Glow system active
 2 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P067F Cylinder 6 Glow Plug Control Circuit High
  • Error message from Glow Control Unit
  • Glow system active
 750 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0671 Cylinder 1 Glow Plug Circuit
  • Glow current <= 2.20 A
  • Glow system = active
 8 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0672 Cylinder 2 Glow Plug Circuit
  • Glow current <= 2.20 A
  • Glow system = active
 8 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0673 Cylinder 3 Glow Plug Circuit
  • Glow current <= 2.20 A
  • Glow system = active
 8 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0674 Cylinder 4 Glow Plug Circuit
  • Glow current <= 2.20 A
  • Glow system = active
 8 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0675 Cylinder 5 Glow Plug Circuit
  • Glow current <= 2.20 A
  • Glow system = active
 8 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0676 Cylinder 6 Glow Plug Circuit
  • Glow current <= 2.20 A
  • Glow system = active
 8 s
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0683 Glow Plug Control Module to PCM Communication Circuit
  • LIN message no feedback
  • Communication time after T15 on > 500 ms
 500 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
P0697 Sensor Reference Voltage "C" Circuit/Open
  • Voltage supply < 4.7 [V] or > 5.3 [V]
   50 ms
  • Continuous
  • 2 DCY
 -- Perform diagnosis on any sensor voltage high or low codes first. Doing so will ensure that there is no shorted circuit or sensor causing this voltage code to set. If no other codes have set:-- Replace the Engine Control Module -J623- Refer to the Repair Service Information for procedure.
P1103 ECM: Production Mode
  • production mode = Active
 For Activation: During ECM keep alive-time after ignition Off
  • vehicle speed < 3 mph
  • engine speed = 0 [RPM]
  • max trip mileage since initial vehicle start-up < 74.58 Miles
 0 s
  • 1 DCY
 -- Vehicle in production mode
P1419 Exhaust Gas Recirculation Cooler Switch-over Valve 2 Short circuit to Voltage
  • Diagnostic signal from power stage > 1.5 A
  • Power stage = On state
 480 ms Signal voltage < 162 mV -- Check the EGR Cooler Switch-over Valve 2 N381. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING
P146D Reducing Agent Tank Heater Short Circuit to Voltage
  • Signal voltage > 3.27 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P146F Heater 2 for Reducing Agent Short Circuit to Voltage
  • Signal voltage > 4.70 [V]
   2 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104- Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P148F Exhaust Gas Recirculation Cooler Switch-Over Valve 2 Electrical malfunction
  • Diagnostic signal from power stage < 2.97 [V]
  • Power stage = Off state
 480 ms
  • Continuous
  • 2 DCY
 -- Check the EGR Cooler Switch-over Valve 2 -N381-. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING
P1499 Exhaust Gas Recirculation Cooler Switch-over Valve 2 Open circuit/short circuit to ground
  • Diagnostic signal from power stage > 4.5 [V]
  • Power stage = Off state
 480 ms
  • Continuous
  • 2 DCY
 -- Check the EGR Cooler Switch-over Valve 2 -N381-. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING
P150A Engine Off Timer Performance
  • ECM time - IPC time > 12 s
  • Engine Off
  • Ignition On
 1 s
  • 2 DCY
 -- Check ALL power and grounds at the ECM. Refer to the appropriate System Wiring Diagrams for location at the ECM. The ECM must have a battery power supply when the key is off to run the timer and system checks. If power and grounds are present, replace the ECM.
P2002  Particulate Trap Efficiency Below Threshold
  • Differential pressure < f (volumetric flow rate, soot load)
OR
  • Differential pressure < f (volumetric flow rate)
  • Calculated temperature of diesel particulate filter between 250 - 450 [°C]
  • Calculated DPF loading > 11g
  • Exhaust gas flow rate < 300 (m3/h)
  • T ambient (T1) > -7 [°C]
OR
  • Exhaust volumetric flow rate > 400 (m3/h)
  • Delta exhaust volumetric flow rate < (20) (m3/h)s
  • Within 1 s time period
 2 s
  • 2 DCY
OR
  • Immediate
 -- Check the Exhaust Pressure Sensor -G450-. Refer to Differential Pressure Sensor -G505-, CHECKING .-- If the pressure sensors are OK, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool
P2004 Intake Manifold Runner Control Bank 1 Stuck Open
  • Control deviation > 10%
  • Actual position <= 40%
   14000 ms
  • Continuous
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2005 Intake Manifold Runner Control Bank 2 Stuck Open
  • Control deviation > 10%
  • Actual position <= 40%
   14000 ms
  • Continuous
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2006 Intake Manifold Runner Control Bank 1 Stuck Closed
  • Control deviation > 10%
  • Actual position > 40%
   14000 ms
  • Continuous
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2007 Intake Manifold Runner Control Bank 2 Stuck Closed
  • Control deviation > 10%
  • Actual position > 40%
   14000 ms
  • Continuous
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2008 Intake Manifold Runner Control Bank 1 Stuck Open
  • Diagnostic signal from power stage > 0.8 [V] (output 1) and < 2 [V] (output 2)
OR
  • Diagnostic signal from power stage = 8 to 18 A
OR
  • Diagnostic signal from power stage > 5 [V] or < 3.4 [V]
  • Power stage = Off state
OR
  • Power stage = On state
  • 600 ms
OR
  • 480 ms
  • Continuous
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2009 Intake Manifold Runner Bank 1 Control Circuit Low
  • Diagnostic signal from power stage 8 to 18 A
  • Power stage = On state
 480 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2010 Intake Manifold Runner Control Circuit High, Bank 1
  • Diagnostic signal from power stage = 8 to 18 A
  • Power stage = On state
 480 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2011 Intake Manifold Runner Bank 2 Control Circuit Stuck Open
  • Diagnostic signal from power stage > 0.8 [V] (output 1) and < 2 [V] (output 2)
OR
  • Diagnostic signal from power stage = 8 to 18 A
OR
  • Diagnostic signal from power stage > 5 [V] or < 3.4 [V]
  • Power stage = Off state
OR
  • Power stage = On state
  • 600 ms
OR
  • 480 ms
  • Continuous
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2012 Intake Manifold Runner Bank 2 Control Circuit Low
  • Diagnostic signal from power stage 8 to 18 A
  • Power stage = On state
 480 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2013 Intake Manifold Runner Bank 2 Control Circuit High
  • Diagnostic signal from power stage = 8 to 18 A
  • Power stage = On state
 480 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2015 Intake Manifold Runner Position Sensor Circuit Range/Performance
  • Position sensor signal < 3550 mV
  • Position sensor signal > 1450 mV
OR
  • Position sensor signal > 550 mV and < 250 mV
OR
  • Position sensor signal > 4450 mV and < 4750 mV
  • ECT > -30 [°C] and < 120 [°C]
  • IAT > 0 and < 80 [°C]
 200 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2016 Intake Manifold Runner Position Sensor Circuit Low
  • Position sensor signal <= 250 mV
   480 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P2017 Intake Manifold Runner Position Sensor Circuit High
  • Position sensor signal >= 4750 mV
   480 ms
  • 2 DCY
 -- Check the Intake Flap Motor --. Refer to Intake Flap Motor -V157-, CHECKING .
P202A Reducing Agent Tank Heater Control Circuit/Open
  • conductance @ start of heating <= 0.10 1/Ohm
  • Reducing Agent Tank Heater = Active
 1 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P202B Reducing Agent Tank Heater Control Circuit Low
  • conductance @ start of heating < 0.20 Ohm
  • Time since Heater Active > 55 s
 0.48 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P202C Reducing Agent Tank Heater Control Circuit High
  • conductance @ start of heating > 1 Ohm
  • Time since Tank Heater Active > 55 s
 0.48 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P2020 Intake Manifold Runner Position Sensor Circuit Bank 2 Range/Performance
  • Position sensor signal < 3550 mV
  • Position sensor signal > 1450 mV
OR
  • Position sensor signal > 550 mV and < 250 mV
OR
  • Position sensor signal > 4450 mV and < 4750 mV
   200 ms
  • 2 DCY
 -- Check the Intake Flap Motor -V157-. Refer to Intake Flap Motor -V157-, CHECKING .
P2021 Intake Manifold Runner Position Sensor Circuit Bank 2 Low
  • Position sensor signal <= 250 mV
   480 ms
  • 2 DCY
 -- Check the Intake Manifold Runner Position Sensor Bank 2. Refer to Intake Flap Motor -V157-, CHECKING
P2022 Intake Manifold Runner Position Sensor Circuit Bank 2 High
  • Position sensor signal >= 4750 mV
   480 ms
  • 2 DCY
 -- Check the Intake Flap Motor -V157-. Refer to Intake Flap Motor -V157-, CHECKING .
P203B Reducing Agent Level Sensor Circuit Range / Performance
  • Signal Voltage not equal Full Level < 1.76 [V] or > 2.02 [V]
or
  • Signal Voltage not Equal Half Full Level, 2.03 [V] or > 2.31 [V]
or
  • Signal Voltage not Equal Empty Level < 1.32 [V] or > 1.53 [V]
or
  • Signal Voltage not Equal SCR Values < 0.25 [V] > 2.35 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to .-- Check the Reducing Agent Tank Sensor -G684-. Refer to Reducing Agent Tank Sensor -G684-, CHECKING .
P203C Reducing Agent Level Sensor Circuit Open or Grounded
  • Signal Voltage < 0.1 [V]
   3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to .-- Check the Reducing Agent Tank Sensor -G684-. Refer to Reducing Agent Tank Sensor -G684-, CHECKING .
P203D Reducing Agent Level Sensor Circuit Short to Battery Voltage
  • Signal Voltage > 4.8 [V]
   3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Reservoir Sensor -G697-. Refer to .-- Check the Reducing Agent Tank Sensor -G684-. Refer to Reducing Agent Tank Sensor -G684-, CHECKING .
  Exhaust Gas Temperature Sensor 2 Circuit
  • Signal voltage > 2.61 [V]
   0.50 s
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 2 -G448-. Refer to Exhaust Gas Temperature Sensor 2 -G448-, CHECKING
P2032 Exhaust Gas Temperature Sensor 2 Circuit Low
  • Signal voltage < 0.68 [V]
   0.50 s
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 2 -G448-. Refer to Exhaust Gas Temperature Sensor 2 -G448-, CHECKING
P204A Reducing Agent Pressure Sensor Circuit Open / Short Ground
  • Signal voltage < 0.1 [V]
   3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor -G686-, CHECKING .
P204B Reducing Agent Pressure Sensor Circuit Range / Performance
  • actual pressure Reduction Agent delivery system > 50.00 kPa or < 50.00 kPa
  • EGT downstream DPF > 100 [°C]
  • Ambient temperature > -7 [°C]
  • Urea tank temperature > -7 [°C]
  • Engine speed > 600 [RPM]
 0 s
  • 2 DCY
 -- Check the Reducing Agent Metering System Pressure Sensor -G686-. Refer to Reducing Agent Metering System Pressure Sensor -G686-, CHECKING .
P204D Reducing Agent Pressure Sensor Circuit High
  • Signal voltage > 4.90 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reduction Agent Pressure Sensor --. Refer to Reducing Agent Metering System Pressure Sensor -G686-, CHECKING .
P2047 Reducing Agent Injection Valve Circuit Open
  • Signal Voltage < 4.7 [V]
  • ECM Power stage = Off
 2 s
  • Continuous
  • 2 DCY
 -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING
P2048 Reducing Agent Injection Valve Circuit Grounded
  • Signal Voltage < 2.97 [V]
OR
  • Signal Current > 1.6 A
  • ECM Power stage = Off
OR
  • ECM Power stage = On
 2 s
  • Continuous
  • 2 DCY
 -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING
P2049 Reducing Agent Injection Valve Circuit Short to Battery Voltage
  • Signal Current > 1.8 A
OR
  • Analog measure < 200 mA
  • Power stage = On state
 2 s
  • Continuous
  • 2 DCY
 -- Check the Reduction Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING
P205A Reducing Agent Tank Temperature Sensor Circuit Short to Battery Voltage or Open
  • Signal voltage > 4.63 [V]
   3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor -G685-, CHECKING
P205B Reducing Agent Tank Temperature Sensor Circuit Range/Performance CASE 1:
  • AAT > 25 [°C]
  • difference between Reducing agent (AdBlue®) to ECT < -30 [°K]
CASE 2:
  • AAT < 25 [°C]
  • difference between Reducing agent (AdBlue®) to ECT < -30 [°K]
  • Reducing Agent Temperature Increase while heating Tank < 1.5 K
  • For Time < 1500 s
  • Engine off time > 7 hr
  • AAT vs. ECT cross check monitoring = Ready
 3 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Tank Temperature Sensor --. Refer to Reducing Agent Temperature Sensor -G685-, CHECKING
P205C Reducing Agent Tank Temperature Sensor Circuit Grounded
  • Signal voltage < 0.18 [V]
   3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Tank Heater (Heating Circuit 1) -Z102-. Refer to Reducing Agent Temperature Sensor -G685-, CHECKING
P207F  Reducing Agent Quality Performance
  • Average Efficiency > 2.50 [-]
 PHASE 1: MONITOR ENTRY CONDITIONS:
  • conventional conversion efficiency check = Error Suspicion existent
  • deviation between target and measured stored NH3 mass = 0 - 100%
  • NOx sensor upstream = Ready
  • NOx sensor downstream = Ready
  • SCR catalyst Temperature 240 - 350 [°C]
  • amount of exhaust gas passed catalyst after engine start = > 7.5 kg
OR
  • amount of exhaust gas passed catalyst after each restarted diagnostic run = > 25 kg
  • stored NH3 mass = < 33 [g]
  • urea dosing = Ready
  • SCR adaption = Not Active
  • Barometric Pressure = > 70 kPa
  • AAT = > -12 [°C]
PHASE 2: UREA OVERDOSING:
  • Overdosing Urea System and evaluation of current efficiency = Active
  • NH3 slip = Not Detected
PHASE 3: UREA DISCHARGING:
  • use up of stored NH3 and evaluation of current efficiency = Active
  • urea dosing = Not Active
PHASE 4: EVALUATION OF PHASE 2 AND PHASE 3:
  • calculation of average efficiency during Phase 2 and Phase 3 = Completed
 0 s
  • Once / DCY
  • 1 DCY
 -- This code will set after a refill event (based on fluid level change) and ECM does not see a change in NOx during dosing. Check fluid in tank for contamination, wrong color (AD Blue is clear in color) or foreign substance used in refill. Also when AD Blue is stale, it will have an ammonia odor. Fresh AD Blue is nearly odorless. Drain tank completely and refill with fresh AD Blue if contamination is present.-- Check the NOx Sensor Module 1 - 2 --. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING -- Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING
P208A Reducing Agent Pump Control Circuit Open
  • Signal Voltage > 4.7 [V]
  • ECM Power stage = Off
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208B Reducing Agent Pump Does Not Rotate At Expected Speeds
  • Rotation < 400 [RPM]
  • > 5 Seconds
  • Reducing agent pump = On
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208C Reducing Agent Pump Control Circuit Grounded
  • Signal Voltage < 2.74 [V]
  • ECM Power stage = Off
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208D Reducing Agent Pump Control Circuit High
  • Signal Current > 4.0 A
  • ECM Power stage = On
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Pump -V437-. Refer to Reducing Agent Pump -V437-, CHECKING
P208E Reducing Agent Injection Valve Stuck Closed Bank 1 Unit 1
  • Missing number of signal peaks > 200
  • Urea dosing = active
  • Ambient pressure = 70 - 130 kPa
  • SCR urea pressure = 350 - 650 kPa
  • Dosing valve coil temperature = 10 - 120 [°C]
 100 - 700 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING
P2080 Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 1 Exhaust Gas Temperature Sensor Circuit Range/Performance
  • Temperature difference to temperature EGR T3, T4, T5, T6 > 40 [°K]
OR
  • Mean value of modeled to measured T4 > 100 [°K]
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 [°K] at > 25 mph for 20 s
  • Decrease of AAT after engine start < 5 [°K] for 60 s
 20 s with speed above 25 mph
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor --. Refer to Exhaust Gas Temperature Sensor 1 -G235-, CHECKING .
P2084 Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 2 Exhaust Gas Temperature Sensor 2 Circuit Range/Performance
  • Temperature difference to temperature EGR T3, T4, T5, T6 > 40 [°K]
OR
  • Mean value of modeled to measured T3 > 100 [°K]
  • Engine off time > 9 hr
  • Decrease of IAT and T2 < 5 [°K] at > 25 mph for 20 s
  • Decrease of AAT after engine start < 5 [°K] for 60 s
 20 s with speed above 25 mph
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 2 -G448-. Refer to Exhaust Gas Temperature Sensor 2 -G448-, CHECKING
P20BB Reducing Agent Tank Heater Control Circuit Shorted to Ground
  • Diagnostic signal from power stage > 14A
  • ECM Power stage = On
 3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Tank Heater -Z102- Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P20BC Reducing Agent Tank Heater Control Circuit Shorted to Battery Voltage
  • Diagnostic signal from power stage > 1 A
  • ECM Power Stage = On
 3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Tank Heater -Z102- Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P20BD Reducing Agent Heater 2 Control Circuit/Open
  • Diagnostic signal from power stage < 1 A
  • Power stage = On
 3 s
  • 2 DCY
 -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104- Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P20BF Reducing Agent Heater 2 Control Circuit/Low
  • Diagnostic signal from power stage < 14 A
  • ECM Power stage = On
 3 s
  • 2 DCY
 -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104- Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P20B5 Reducing Agent Metering Unit Heater Control Circuit/Open
  • Conductance during heating < = 0.10 1/Ohm
  • Reducing Agent Tank Heater = Active
 1 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Pump Heater (Heating Circuit 2) -Z103- Reducing Agent Line Heater (Heating Circuit 2) -Z104- Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P20B7 Reducing Agent Metering Unit Heater Control Circuit Low
  • conductance @ start heating < 0.30 1/Ohm
  • Time since Reducing Agent Heater Active > 10 s
 0.48 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Line Heater (Heating Circuit 2) -Z104- Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P20B8 Reducing Agent Metering Unit Heater Control Circuit High
  • conductance @ start heating > 1.00 1/Ohm
  • Time since Reducing Agent Heater Active > 10 s
 0.48 s
  • Once / DCY
  • 2 DCY
 -- Check the Reducing Agent Line Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P20B9 Reducing Agent Tank Heater Control Circuit Open
  • Diagnostic signal from power stage < 1A
  • ECM Power Stage = On
 3 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Tank Heater -Z102- Refer to Reducing Agent Tank Heater (Heating Circuit 1) -Z102-, CHECKING
P20C0 Reducing Agent Heater 2 Control Circuit High
  • Diagnostic signal from power stage < 1 A
  • Power stage = On state
 3 s
  • 2 DCY
 -- Check the Reducing Agent Wire Heater. Refer to Reducing Agent Line Heater (Heating Circuit 2) -Z104-, CHECKING
P20EE  SCR NOx Catalyst Efficiency Below Threshold
  • Difference between calculated and measured efficiency < 0.4[-]
  • Phase 1: Monitor Entry Conditions
  • conventional conversion efficiency check = Error Suspicion existent
  • deviation between target and measured stored NH3 mass = 0 - 100%
  • NOx sensor upstream = Ready
  • NOx sensor downstream = Ready
  • SCR catalyst Temperature 235 - 350 [°C]
  • amount of exhaust gas passed catalyst after engine start = > 7.5 kg
  • or
  • amount of exhaust gas passed catalyst after each restarted diagnostic run = > 25 kg
  • stored NH3 mass = < 33 [g]
  • urea dosing = Ready
  • SCR adaption = Not Active
  • barometric kPa pressure => 70
  • AAT = > -12 [°C]
  • Phase 2: Urea Overdosing
  • Overdosing Urea System and evaluation of current efficiency = Active
  • Phase 3: Urea Discharging
  • use up of stored NH3 and evaluation of current efficiency = Active
  • urea dosing = Not Active
  • Phase 4: Evaluation of Phase 2 and Phase 3 = Completed
 0 s
  • Once / DCY
  • 2 DCY
 -- If a NOx sensor code is also present, diagnose that code first. Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING -- Check the NOx Sensor after the catalyst. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING
P20E8 Reducing Agent Pressure Too Low / Functional check
  • Actual pressure < 300.00 kPa for 55 s
OR
  • Actual pressure < 350.00 kPa for 60 s
OR
  • Pressure built up for 21.00[-] Attempts > 450 kPa
  • Reducing Agent Metering System = Active
  • Engine = Running
OR
  • Reducing Agent Metering System Pressure Build up Control = Active
  • 55 s
OR
  • 60 s
OR
  • 7.1 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Pressure Sensor -G686- Refer to Reducing Agent Metering System Pressure Sensor -G686-, CHECKING
P20FE Reducing Agent Quality Performance
  • Average Efficiency > 2.50 [-]
 PHASE 1: MONITOR ENTRY CONDITIONS:
  • conventional conversion efficiency check = Error Suspicion existent
  • deviation between target and measured stored NH3 mass = 0 - 100%
  • NOx sensor upstream = Ready
  • NOx sensor downstream = Ready
  • SCR catalyst Temperature 240 - 350 [°C]
  • amount of exhaust gas passed catalyst after engine start = > 7.5 kg
OR
  • amount of exhaust gas passed catalyst after each restarted diagnostic run = > 25 kg
  • stored NH3 mass = < 33 [g]
  • urea dosing = Ready
  • SCR adaption = Not Active
  • Barometric Pressure = > 70 kPa
  • AAT = > -12 [°C]
PHASE 2: UREA OVERDOSING:
  • Overdosing Urea System and evaluation of current efficiency = Active
  • NH3 slip = Not Detected
PHASE 3: UREA DISCHARGING:
  • use up of stored NH3 and evaluation of current efficiency = Active
  • urea dosing = Not Active
PHASE 4: EVALUATION OF PHASE 2 AND PHASE 3:
  • calculation of average efficiency during Phase 2 and Phase 3 = Completed
 0 s Once / DCY
  • 1 DCY
 -- This code will set after a refill event (based on fluid level change) and ECM does not see a change in NOx during dosing. Check fluid in tank for contamination, wrong color (AD Blue is clear in color) or foreign substance used in refill. Also when AD Blue is stale, it will have an ammonia odor. Fresh AD Blue is nearly odorless. Drain tank completely and refill with fresh AD Blue if contamination is present.-- Check the NOx Sensor Module 1 - 2 --. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING -- Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING
P20E9 Reducing Agent Pressure Too High
  • Actual pressure > 790.00 kPa for 0 s
OR
  • Actual pressure > 650.00 kPa for 10 s
OR
  • Pressure @ Dosing end > 50 kPa
  • Reducing Agent Metering System = Active
  • Engine = Running
OR
  • Reducing Agent Metering System Pressure Reduction Control = Active
 0 s OR 10 s OR 10 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Pressure Sensor -G686- Refer to Reducing Agent Metering System Pressure Sensor -G686-, CHECKING -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
P20FF Reducing Agent Metering System Control Module -J880- detects internal hardware defects
  • Internal fault
  • Ignition = on
 1.1 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If P20FF resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Service Information for procedure.
P20F4 Reducing Agent Consumption Too High
  • SCR adaptive value >= 2.5
  • Adaptation = completed
 0 s
  • Continuous
  • 1 DCY
 -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING -- Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING -- Check for a stuck open reducing agent injector
P20F5 Reducing Agent Consumption Too Low
  • SCR adaptive value <= 0.51
  • Adaptation completed
 0 s
  • Continuous
  • 1 DCY
 -- Check the Reducing Agent Injector --. Refer to Reducing Agent Injector -N474-, CHECKING -- Check Reducing Agent (AdBlue®) Quality. Refer to REDUCING AGENT (ADBLUE®) CONSUMPTION OR QUALITY CHECKING -- Check for a stuck closed or restricted reducing agent injector
P21CA Reducing Agent Metering System Control Module -J880- detects short circuit of heater supply voltage to B+
  • Sensor supply voltage < 1 [V]
  • Ignition = On
 1 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
P21CC Reducing Agent Metering System Control Module -J880- detects short circuit of heater supply voltage to ground
  • Sensor supply voltage > 7 [V]
  • Ignition = On
 1 s
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
P21C7 Reducing Agent Metering System Control Module -J880- detects short circuit to ground on main relay
  • Supply voltage during activation > 7 [V]
  • Ignition = on
 1.1 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If P21C7 resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Service Information for procedure.
P21C9 Reducing Agent Metering System Control Module -J880- detects short circuit to B+ on main relay
  • Supply voltage during activation < 1 [V]
  • Control module power stage = on
 1.1 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If P21C7 resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Service Information for procedure.
P2100 Throttle Actuator Control Motor Circuit/Open
  • Signal from power stage > 3.26 [V] and < 5.40 [V]
  • Power stage = Off state
 During ECM keep alive time
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2101 Throttle Actuator Control Motor Circuit Range/performance
  • Signal = no change
   ECM initialization time
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2102 Throttle Actuator Control Motor Circuit Low
  • Signal from power stage <= 3.26 [V]
  • Power stage = Off state
 During ECM keep alive time
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2103 Throttle Actuator Control Motor Circuit High
  • Signal from power stage > 1.50 [V] and > 50 mA
  • Power stage = On state
 480 ms
  • Continuous
  • 2 DCY
 -- Check the Throttle Valve Control Module -J338-. Refer to Throttle Valve Control Module -J338-, CHECKING .
P2122 Pedal Position Sensor D Circuit Low Input
  • Signal voltage < 0.646 [V]
   200 ms
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-, CHECKING .
P2123 Pedal Position Sensor D Circuit High Input
  • Signal voltage > 4.889 [V]
   200 ms
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-, CHECKING .
P2127 Pedal Position Sensor E Circuit Low Input
  • Signal voltage < 0.276 [V]
   200 ms
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-, CHECKING .
P2128 Pedal Position Sensor E Circuit High Input
  • Signal voltage > 2.644 [V]
   200 ms
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-, CHECKING .
P2138 Pedal Position Sensor D/E Circuit Voltage Correlation
  • Signal voltage sensor 1 vs. sensor 2 > 143 - 260 mV
  • Signal voltage sensor 1 > 445 mV
  • Sensor 2 > 445 mV
  • Limp in mode = inactive
 430 ms
  • Continuous
  • 2 DCY
 -- Check the Accelerator Pedal Position Sensor 1 -G79- /Accelerator Pedal Position Sensor 2 -G185-. Refer to Accelerator Pedal Position Sensor -G79- / Accelerator Pedal Position Sensor 2 -G185-, CHECKING .
P214E Reducing Agent Metering System Control Module -J880- Internal Temperature Too High CURRENT OVER-TEMPERATURE DIAGNOSTIC SIGNAL FROM OUTPUT DRIVER:
  • power stage temperature > 140 [°C]
  • Control module power stage = on
 1.1 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If P214E resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Service Information for procedure.
P214F Reducing Agent Metering System Control Module -J880- Internal Pump Temperature Too High CURRENT OVER-TEMPERATURE DIAGNOSTIC SIGNAL FROM OUTPUT DRIVER:
  • power stage temperature > 140 [°C]
  • Control module power stage = on
 1.1 s
  • Continuous
  • 2 DCY
 -- Check for any sensor or voltage related codes first and repair as necessary. If P214E resets:-- Replace the Reducing Agent Metering System Control Module -J880- Refer to the Repair Service Information for procedure.
P2146 Fuel Injector Group "A" Supply Voltage Circuit Open
  • Diagnostic signal from power stage = internal signal
  • Injection signal = injector On
 4 injections
  • Continuous
  • 2 DCY
 -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P2149 / P2152 Fuel Injector Group "C" Supply Voltage Circuit/Open
  • Diagnostic signal from power stage = internal signal
  • Injection signal = injector On
 4 injections
  • Continuous
  • 2 DCY
 -- Check Fuel Injectors -N30, N31, N32, N33, N83, N84-. Refer to FUEL INJECTORS, CHECKING .
P2181 Engine Coolant Temperature Sensor On Radiator Outlet Circuit Rationality Check
  • deviation between target and measured ECT< - 7.5[K]
 MONITOR ENTRY CONDITIONS:
  • engine speed> 1100[rpm]
  • for time 30[s]
  • engine speed< 3500[rpm]
  • for time 30[s]
  • injection quantity- 0.005 - 0.05[g/rev]
  • ECT @ cylinder head> 66[°C]
  • ECT @ cylinder block> 66[°C]
  • ECT @ radiator outlet< 45[°C]
  • thermostat regulator = active
  • target ECT @ cylinder head 70 - 80 ECT @ cylinder head @ start > - 7[°C]
  • EOT @ start< 110[°C]
  • time after engine start> 30 - 180[s]
conditions at fault decision:
  • monitor entry conditions fulfilled for time 60.0 -105.0[s]
 15 s
  • Continuous
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2183 Engine Coolant Temperature Sensor On Radiator Outlet Circuit Cross Check
  • ECT on radiator outlet vs IAT or AAT or FTS at start up > 35 K
  • Engine off time > 32400 s
  • Engine speed > 0 [RPM] for > 0.8 s
 50 ms
  • Once
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2184 Engine Coolant Temperature Sensor On Radiator Outlet Circuit Grounded
  • Signal voltage < 162 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2185 Engine Coolant Temperature Sensor On Radiator Outlet Circuit Short to Battery Voltage
  • Signal voltage > 3255 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check the Engine Coolant Temperature Sensor On Radiator Outlet -G83-. Refer to Engine Coolant Temperature Sensor On Radiator Outlet -G83-, CHECKING .
P2195  O2 Sensor Signal Stuck Lean Bank 1 Sensor 1
  • Measured oxygen concentration @ fuel cutoff > 25.6%
OR
  • Measured oxygen concentration @ part load > (calculated) 11%
  • EGR valve closed
  • DPF regeneration = not active
  • Air mass > 250 mg/stroke
  • Integrated air mass flow > 100 g
  • Engine speed > 1100 [RPM]
OR
  • EGR valve closed
  • Air mass > 250 mg/stroke
  • Integrated air mass flow > 100 g
  • Engine speed > 1100 [RPM]
 2 s
  • Continuous
  • 2 DCY
 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P2196  O2 Sensor Signal Stuck Rich Bank 1 Sensor 1
  • Measured oxygen concentration @ fuel cutoff > 14.7%
  • Engine in fuel cutoff
  • EGR valve closed
  • Heater control active
  • DPF regeneration inactive
  • Air mass > 250 mg/stroke
  • Integrated air mass flow > 180g
  • Engine speed > 1100 [RPM]
 5 -10 s
  • Continuous
  • 2 DCY
 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P220A NOx Sensor Front Circuit Supply Voltage
  • Sensor supply voltage > 1.5 or < 12 [V]
  • Dewpoint exceeded
  • Exhaust gas temperature upstream catalyst 100-600 [°C]
 2 s
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor -G295-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P220B NOx Sensor Supply Voltage Circuit Bank 1 Sensor 2 NOx Sensor rear circuit continuity check
  • difference between battery voltage and sensor supply voltage > 1.5
  • Dewpoint exceeded > 3 s
  • EGT downstream DPF 100 - 600 [°C]
  • time after engine start > 0.5 s
 2 s
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor 2 -G687-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2200  NOx Sensor Front Circuit Failure
  • NOx sensor signal ratio of validity > = 0.50 [-]
  • Dew point exceeded > 2 s
  • Exhaust temperature upstream SCR = 100 - 600 [°C]
 2 s
  • Multiple
  • 2 DCY
 -- Check the NOx Sensor -G295-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2201  NOx Sensor Front Circuit Range / Performance
  • NOx 40 - 70%, time > 5 s or 40% value not reached within 7 s
  • Ratio > 3 or < -0.75
  • Average NOx Offset value > 50 or < -30 ppm
  • NOx sensor heater control = active
  • Fuel cutoff = active
  • DPF regeneration = not active
  • Time since last DPF regeneration > 60 s
  • Fuel quantity > 10 mg/stroke
  • Air mass = 250 - 450 mg/stroke
  • EGR sensor closed or position 70 - 90%
  • Engine speed 1300 - 1800 [RPM]
  • ECT > 65 [°C]
  • Exhaust gas temperature upstream catalyst > 80 [°C]
  • Time since engine start > 120 s
  • Calculated NOx value = 50 - 250 ppm
  • Ambient temperature = 7 - 50 [°C]
  • Zero Fuel calibration = not active
 6 - 7.5 s
  • Continuous
  • 2 DCY
 -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an exhaust leak. Refer to the Repair Service Information for Exhaust System procedures and cautions. -- Check the NOx Sensor -G295-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2202 NOx Sensor Front Circuit Low
  • NOx value < -105 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 s
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor -G295-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2203 NOx Sensor Front Circuit High
  • NOx value > 1655 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 s
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor -G295-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2209  NOx Sensor Front rationality check
  • NOx control active time since dew point exceeded > 180
  • dew point exceeded > 2 s
  • EGT upstream catalyst 100 - 600 [°C]
  • time after engine start > 5 s
  • A/F ratio O2S < 0.00 - 0.20[-]
  • for time > 5 s
 300 s
  • Once / DCY
  • 2 DCY
 -- Check the NOx Sensor -G295-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2237 O2 Sensor Positive Current Control Circuit Bank 1 Sensor 1 Open
  • Measured oxygen concentration < 0.005
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 s
  • Calibration of internal resistance or O2 = not active
  • Modeled O2 concentration > 0.067 for 2 s
  • O2 heater temperature > 720 and < 840 [°C]
  • Dewpoint exceeded
  • Reference pump current = active
  • Oxygen pump current = active
  • Engine operation mode = normal for > 200 ms
  • Regeneration = not active
 2 s
  • Continuous
  • 2 DCY
 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P2243 O2 Sensor Reference Voltage Circuit Bank 1 Sensor 1 Open
  • O2S internal resistance > 3 [V]
  • Oxygen signal < -1.3 [V] or > 1.5 [V]
  • Fuel cutoff = not active
  • Time since last fuel cutoff > 30 s
  • Calibration of internal resistance or O2 = not active
  • Heater control = active for > 10 s
  • Dewpoint exceeded
 2 s
  • Continuous
  • 2 DCY
 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P2251 O2 Sensor Negative Current Control Circuit Bank 1 Sensor 1 open
  • O2S internal resistance voltage > 3 [V]
  • Fuel cutoff = not active
 2 s
  • Continuous
  • 2 DCY
 -- Check the Heated Oxygen Sensor (HO2S) -G39-. Refer to Heated Oxygen Sensor -G39- / Oxygen Sensor Heater -Z19-, CHECKING .
P226C  Turbocharger Boost Control "A" Slow Response
  • Boost difference between target and measured < -6976[J]
  • IAT > 60° C
  • ECT at cylinder head > 130° C
  • Engine speed 800 - 3500 [RPM]
  • BARO pressure 75 - 120 kPa
  • fuel quantity> 0.02[g/rev]
  • Boost pressure < 190 kPa
 6 s
  • Multiple
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P2279 Turbocharger Boost Pressure Intake Air System Leak
  • Ratio of measured and modeled mass air flow = 0.45 - 0.80[-]
  • Ambient pressure > 50 kPa
  • Engine speed 1700 - 4000 [RPM]
  • Boost pressure < 200 kPa
  • fuel quantity> 0.02[g/rev]
  • engine running> 100000[ms]
  • difference between boost pressure and barometric pressure > 8 [kPa]
  • barometric pressure> 50.00[kPa]
  • boost pressure< 200.00[kPa]
  • rate of change IAT<= 50.00[°C/s]
  • ECT @ cylinder head> 0[°C]
 3 s
  • 2 DCY
 -- Check for leaking engine gaskets, oil cap gasket torn/missing, oil dipstick not seated in tube or leak in the intake duct after the Mass Air Flow sensor.
P229E  NOx Sensor Rear Circuit Short or Open
  • Message From NOx Sensor = Failure
or
  • NOx sensor status ratio of validity > = 0.5[-]
  • EGT downstream DPF =100 - 600 [°C]
  • Actual-Filtered A/F ratio O2S = 0.0 - 0.020 [-]
  • NOx control = Activation
  • Dewpoint exceeded > 2 s
  • Time after Engine Start > 5 s
  • forced activation after time > 5.8 m
 2 - 45 s
  • Multiple
  • 2 DCY
 -- Check the NOx Sensor 2 -G687-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P229F  NOx Sensor Rear Circuit Range /Performance
  • Average NOx Offset Value > 50 ppm
  • Number of checks = 2[-]
OR
  • Average NOx Offset Value < - 30 ppm
  • Number of checks = 2[-]
OR
  • measured oxygen concentration compared with calculated oxygen concentration deviation @ part load > 5.3%
  • fuel cut off =active
  • integrated air mass after fuel cut off> 250 - 1000 [g]
  • engine speed 1000 - 3500 [RPM]
  • EGR valve 0.0 - 100 %
  • NOx sensor control = active
  • for time> 30.5 s
  • dew point exceeded> 0[s]
  • EGT downstream DPF100 - 600 [°C]
  • NOx gradient value during monitoring time> 12.00 [ppm]
ADDITIONAL TO AVOID NH3-SLIP:
  • modeled SCR temperature 50 - 500 [°C]
  • for time> 10 [s]
  • difference of modeled ammonia load and modeled ammonia load reference in SCR<= 0.1 [g]
  • for time > 30 [s]
ADDITIONAL FOR MINIMUM NOX VALUE EVALUATION:
  • fuel cut off =active
  • for time> 3.0[s]
  • number of checks> 3.00 [-]
  • SCR-Catalyst efficiency factor> 60.00 [%]
  • NOx mass flow> 0.01[g/s]
  • number of checks>= 8.00[-]
  • fuel cut off= active
  • integrated air mass after fuel cut off> 250 -1000 [g]
  • engine speed 1000 - 3500 [RPM]
  • EGR valve 0.0 - 100[%]
  • NOx sensor control = active
  • for time> 30.5[s]
  • dew point exceeded> 0[s]
  • EGT downstream DPF100 - 600[°C]
  • NOx gradient value during monitoring time> 12.00 [ppm]
ADDITIONAL TO AVOID NH3-SLIP:
  • modeled SCR temperature = 50 - 500 [°C]
  • for time> 10 [s]
  • difference of modeled ammonia load and modeled ammonia load reference in SCR < = 0.1 [g]
  • for time > 30 [s]
  • DPF regeneration = not active
  • injection quantity =0.011 - 0.03[g/rev]
  • air mass per cylinder- 3.3 - 3.3 [g/rev]
  • integrated air mass > 120.0 [g]
  • engine speed = 1130 - 2300 [RPM]
  • AAT= -7 - 50[°C]
  • barometric pressure 69.00 - 3276.70 [kPa]
  • stable O2 concentration calculated 3.00[%]
 2 consecutive 5.5 s intervals
  • Continuous
  • 2 DCY
 -- Check for any sensor related codes. If a related sensor fault is set, diagnose it first. If no related sensor codes are set, check for an exhaust leak. Refer to the Repair Service Information for Exhaust System procedures and cautions. -- Check the NOx Sensor 2 -G687-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P2294 Fuel Pressure Metering Valve Control Circuit Open
  • Signal Voltage < 4.7 [V]
  • ECM Power stage = permanently high
 0.3 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2295 Fuel Pressure Metering Valve Control Circuit Grounded
  • Signal Voltage < 2.97 [V]
  • ECM Power stage = permanently high
 50 ms.
  • Continuous
  • 2 DCY
 -- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P2296 Fuel Pressure Metering Valve Control Circuit Short to Battery Voltage
  • Signal Current > 3.0 A
  • Power stage = permanently low
 0.3 s
  • Continuous
  • 2 DCY
 -- Check the Fuel Metering Valve -N290-. Refer to Fuel Metering Valve -N290-, CHECKING .
P22A0 NOx Sensor Rear Circuit Low
  • NOx value < -105 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 s
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor 2 -G687-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P22A1 NOx Sensor Rear Circuit High
  • NOx value > 1655 ppm
  • Dewpoint exceeded
  • NOx control = active
 2 s
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor 2 -G687-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P22A7  NOx Sensor rear Rationality check
  • NOx control active time since dew point exceeded >180 s
  • dew point exceeded > 2 s
  • EGT downstream DPF 100 - 600 [°C]
  • time after engine start > 5 s
  • A/F ratio O2S < 0.00 - 0.20[-]
  • for time > 5 s
 300 s
  • Once / DCY
  • 2 DCY
 -- Check the NOx Sensor 2 -G687-. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING .
P240F  EGR Slow Response
  • Calculated characteristically value: Negative gradients of target air mass flow > 35 [-]
OR
  • Calculated characteristically value: Positive gradients of Target air mass flow > = 30 [-]
  • Engine speed = 1100 - 3000 [RPM]
  • Fuel quantity = 6 to 40 mg/stroke
  • Ambient pressure > 74.5 kPa
  • ECT > 50 [°C]
  • Ambient temperature > -7 [°C]
  • EGR valve 15 to 95%
  • Desired air mass < 800 mg/stroke
  • DPF regen. = off
 15 s
  • Multiple
  • 2 DCY
 -- Check all intake ducts and connections for air leaks, including the suction and pressure side of the turbo. Any air leak will distort the calculated airflow numbers and set this fault.-- Check EGR Vacuum Regulator Solenoid Valve -N18-. Refer to EGR Motor -V338-, CHECKING .
P242A Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3
  • Signal voltage > 2.61 [V]
   0.50 s
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242B Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 3 Range/Performance
  • Temperature difference to EGR temp, T3, T4, T5, T6 > 40 [°K]
OR
  • Mean value of modeled - measured T5 > 100 [°K]
   300 s
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P242C Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 3
  • Signal voltage < 0.68 [V]
   0.5 s
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P2425 Exhaust Gas Recirculation Cooling Valve Control Circuit Open
  • Diagnostic signal from power stage < 4.7 [V]
  • Power stage = Permanently High
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2426 Exhaust Gas Recirculation Cooling Valve Control Circuit Grounded
  • Diagnostic signal from power stage < 2.97 [V]
  • Power stage = Permanently High
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2427 Exhaust Gas Recirculation Cooling Valve Control Circuit Shorted Battery Voltage
  • Diagnostic signal from power stage > 2.2 A
  • Power stage = Permanently Low
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P244C  Exhaust Temperature Too Low For Particulate Filter Regeneration Bank 1
  • Time to closed loop 120 - 300 s
  • T5 < 350 [°C]
  • Engine speed > 1500 [RPM]
  • Fuel mass > 15 mg/stroke
  • Regeneration with post injection = On
 10 - 300 s
  • Immediate
 -- If no Exhaust Temperature Sensor codes are set, a Service Bay Regeneration should be performed using a VAS 5052 (available for rental) or equivalent scan tool with regeneration capability.
P245B  Exhaust Gas Recirculation Cooler Bypass Control Circuit Range/Performance
  • positive difference between measured and target temperature too high =10.0 - 70.0 [K]
OR
  • negative difference between measured and target temperature too low =-12.0 -7.0 [K]
 MONITOR ENTRY CONDITIONS:
  • Engine speed = 900 - 3000 [RPM]
  • injection quantity = 0.002 - 0.05 [g/rev]
  • EGR mass flow= 20 - 110 [kg/h]
  • calculated engine temperature = 55 - 98 [°C]
  • EGR valve =0 - 97 [%]
  • barometric pressure > = 75[kPa]
  • AAT = - 7 - 60[°C]
  • engine = running
  • EGR cooler bypass regulation= active
  • timer after engine start> 430 [s]
  • modeled EGT upstream turbocharger = 270 - 465 [°C]
DEBOUNCE TIMER:
  • Accumulated debounce time of monitor entry conditions > = 20.0 [s]
DEBOUNCE TIMER CONDITIONS:
  • Start of Debounce Timer: Monitor Entry Conditions fulfilled for time>= 7.0[s]
STOP OF DEBOUNCE TIMER:
  • Monitor Entry Conditions not fulfilled for time > = 2.5 [s]
  • Minimum duration of each start/stop cycle required for debounce time accumulation>= 10.0 [s]
 0 s
  • Continuous
  • 2 DCY
 -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P2452 Diesel Particulate Filter Differential Pressure Sensor Circuit
  • Sensor voltage > 4.9 [V]
   480 ms
  • Continuous
  • 2 DCY
 -- Check the Exhaust Pressure Sensor --. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2453 Diesel Particulate Filter Differential Pressure Sensor Circuit Range/Performance
  • Pressure drop > 3 kPa or < -3 kPa
  • Engine Off
 5 s
  • 2 DCY
 -- Check the Exhaust Pressure Sensor --. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2454 Diesel Particulate Filter Differential Pressure Sensor Circuit Low
  • Sensor voltage < 0.2 [V]
   480 ms
  • Continuous
  • 2 DCY
 -- Check the Exhaust Pressure Sensor --. Refer to Differential Pressure Sensor -G505-, CHECKING .
P2458  Diesel Particulate Filter Regeneration Duration
  • Time of regen duration > 3600 s
  • Regeneration = active
 1 to 3600 s
  • 2 DCY
 -- Check for DPF increased particle mass. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P2459  Diesel Particulate Filter Regeneration Frequency
  • Measured soot mass > f (volumetric flow rate) grams
  • Last regen successful
  • Actual regen = active
  
  • 2 DCY
 -- DPF filter may have too much restriction due to age and buildup of contaminants. Perform a Service Regeneration. If the filter still shows a restriction, replacement will be required. If the filter was previously replaced and is unable to regenerate:-- Check for increased exhaust particle mass. Refer to DIESEL PARTICULATE FILTER (DPF) INCREASED PARTICLE MASS, CHECKING .
P246E Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4
  • Signal voltage > 1652 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING
P246F Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Exhaust Gas Temperature Sensor Circuit Bank 1 Sensor 4 Range/Performance
  • Temperature difference to EGR temp, T3, T4, T5, T6 > 40 [°K]
OR
  • Mean value of modeled - measured T5 > 100 [°K]
   300 s
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING
P2463 Diesel Particulate Filter - Soot Accumulation
  • Calculated particulate matter trap loading > 40 g
   0.2 s
  • 2 DCY
 -- Service Bay Regeneration must be performed using a VAS 5052 (available for rental) or equivalent scan tool
P247A  Exhaust Gas Temperature Out of Range Bank 1 Sensor 3 Exhaust Gas Temperature Out of Range Bank 1 Sensor 3
  • Control deviation (T5) > 200 K or < -100 K
  • Regeneration with post injection = On
  • Temperature controller set value > 90 or < 10%
  • Fuel mass > 6 mg/stroke
  • Engine speed > 1000 [RPM]
  • T5 > 350 [°C]
  • Temperature change T5 (absolute value) < 3 [°K/s]
 50 - 120 s
  • Immediate
 -- Check the Exhaust Gas Temperature Sensor 3 -G495-. Refer to Exhaust Gas Temperature Sensor 3 -G495-, CHECKING .
P2470 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4 Exhaust Gas Temperature Sensor Circuit Low Bank 1 Sensor 4
  • Signal voltage < 330 mV
   480 ms
  • Continuous
  • 2 DCY
 -- Check the Exhaust Gas Temperature Sensor 4 -G648-. Refer to Exhaust Gas Temperature Sensor 4 -G648-, CHECKING
P24AE  PM Sensor Functional check / Shorted or Open
  • current (IDE) @ measurement 1 < 2 μA
  • difference between current (IDE) measurement 1 and 2
OR
  • signal voltage positive connection (IDE) > 4.7[V]
  • signal voltage positive connection (IDE) < 0.3[V]
  • Measurement 1 PM Sensor Temperature 768 [°C]
  • Measurement 2 PM Sensor Temperature 630 [°C]
OR
  • supply voltage =not active
OR
  • supply voltage =active
  
  • continuous
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24AF  PM Sensor Monitoring, Rationality check
  • signal current (IDE) > 5 μA
OR
  • accumulated change in heater voltage < = 0.40 [V]
  • sensor regeneration = Active
  • supply voltage (IDE) > 41 [V] but < 50 [V]
  • PM sensor temperature > 200 [°C] but < 450 [°C]
 1.5 s
  • Multiple
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING -- Inspected the PM Sensor protection tube for plugged / manipulated, sensor removed.
P24B0  Particulate Matter Sensor Circuit Low PM Sensor rationality check: bypass current monitor
  • signal current (IDE) > 5 μA
  • sensor regeneration active
  • supply voltage (IDE) > 41 or < 50 [V]
  • PM sensor temperature > 200 or < 450 [°C]
 1.5 s
  • multiple
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24B1 PM Sensor Circuit Shorted or open
  • signal voltage negative connection (IDE) > 4.1[V]
  • signal voltage negative connection (IDE) = 0.0[V]
  • supply voltage = not active
  • sensor regeneration = active
OR
  • supply voltage =active
  • sensor regeneration = active
     -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24B3  PM Sensor Heater functional check
  • Heater Coil resistance > 1.06 - 2.31 Ω
  • Heater Coil resistance < 2.94 - 5.13 Ω
  • PM sensor temperature -30 [°C] - 300 [°C]
 100 ms
  • Continuous
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24B5 PM Sensor Heater Short to ground
  • Heating Current < 1.0 [A]
OR
  • Heating Current > 15.0 [A]
  • Heater Command = On
  • Supply Voltage 9.0 - 17.2 [V]
 2 s
  • Continuous
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24B6 PM Sensor Heater Short to Battery Voltage
  • Heating Current >= 0.2 [A]
  • Heater Command = Off
  • Supply Voltage 9.0 - 17.2 [V]
 2 s
  • Continuous
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24C7 PM Sensor plausibility check
  • measured sensor temperature - mean value of modeled temperature < - 100 [°K]
  • DPF regeneration = Not Active
  • time after engine start > 300 s
  • EOT -50 - 1050 [°C]
  • simulated exhaust gas sensor temperature -50 - 1050 [°C]
  • PM sensor = Ready
 500 s
  • Multiple
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P24D0 PM Sensor Monitoring, Range / Performance check SIGNAL RANGE CHECK LOW: DIFFERENCE BETWEEN MEASURED PM SENSOR SUPPLY WIRE VOLTAGE AND BATTERY VOLTAGE (ECM):
  • value> 1.90[V]
OR
  • value> 2.60[V]
OR
  • value> 3.00[V]
Signal Range Check High: difference between measured battery voltage (ECM) and Sensor supply wire voltage:
  • value> 3.00[V]
OR
  • value> 2.10[V]
OR
  • value> 1.10[V]
  • pulse width modulated ratio for heater control > 35.00 [%]
  • PM sensor (ECU) = ready
OR
  • pulse width modulated ratio for heater control > 35.00 [%]
  • PM sensor (ECU) = ready
OR
  • CAN communication no fault = detected
  • PM sensor (ECU) = ready
 1.0 - 1.5 s
  • Multiple
  • 2 DCY
 -- Check the Particulate Sensor -G784- Refer to Particulate Sensor -G784-, CHECKING .
P2564 Turbocharger Boost Control Position Sensor Circuit Low
  • Sensor signal voltage < 0.15 [V]
   480 ms
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
P268A Fuel Injector Calibration Not Accumulated / Programmed
  • Accumulated global release time of zero fuel calibration but disabled by rail pressure deviation
  
  • Continuous monitoring < or = to 1 UDC cycle
  • Continuous
  • 2 DCY
 -- The ECM will need to be programmed using a VAS 5052 (available for rental) or equivalent scan tool, with the calibration number stamped on the injectors (or change the individual calibration number for an injector that was replaced during diagnosis).
P310E Exhaust gas recirculation cooler bypass valve 2 Implausible signal
  • Measured temperature < 0.8
  • Engine speed = 1200 - 2500 [RPM]
  • Delta engine speed = + -250 [RPM]
  • Fuel quantity = 9 - 80 mg/stroke
  • Delta fuel quantity = + -20 mg/stroke
  • EGR valve > 0 - 80%
  • Delta EGR = + -15%
  • SCR temperature > 150 [°C]
  • EGR temperature < 300 [°C]
 11 s
  • 2 DCY
 -- Check the EGR Cooler Switch Over Valve --. Refer to EGR Cooler Switch Over Valve -N345-, CHECKING .
P3348 Turbocharger Control Module 1 Circuit Malfunction
  • Diagnostic signal from power stage > 8 - 18 A
OR
  • Diagnostic signal from power stage > 5 [V] or < 3.4 [V]
  • ECM Power stage = On
 0.5 s
  • Continuous
  • 2 DCY
 -- Check the Turbocharger Control Module 1 -J724-. Refer to Turbocharger Control Module 1 -J724-, CHECKING .
U0001 High Speed CAN Communication Bus
  • CAN message = no feedback
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 250 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U0002 High Speed CAN Communication Bus Performance
  • Global time out. Receiving no messages.
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 450 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U0028 Vehicle Communication Bus A
  • CAN message = no feedback
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 250 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U0029 Vehicle Communication Bus [A] Performance
  • Global time out. Receiving no messages.
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 450 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U010E CAN communication error
  • No Reducing Agent Metering System Control Module -J880- messages received.
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U0101 Lost Communication with TCM
  • No TCM messages received.
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .-- If the TCM CAN Bus test passes, check TCM communication with a scan tool. If no TCM communication with scan tool and all other modules communicate, check TCM power and grounds. If OK, replace TCM Module.
U0106 Lost Communication With Glow Plug Control Module
  • No message received
  • Communication time after T15 on > 500 ms
 500 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
U0121 Lost Communication With Anti-Lock Brake System (ABS) Control Module
  • No CAN messages received from ABS module
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .-- If the ABS CAN Bus test passes, check ABS communication with a scan tool. If no ABS communication with scan tool and all other modules communicate, check ABS power and grounds. If OK, replace ABS Module.
U0140 Lost Communication With Body Control Module
  • No CAN messages from BCM
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 1000 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .-- If the BCM CAN Bus test passes, check BCM communication with a scan tool. If no BCM communication with scan tool and all other modules communicate, check BCM power and grounds. If OK, replace BCM Module.
U0146 Lost Communication With Gateway "A"
  • CAN messages from Gateway = no message.
  • Time after ignition On > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 1000 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .-- If only 1 module has set this code, the gateway is operational and the fault will be with the module that set the code. Check module power and grounds. If OK, replace the module that does not communicate.
U0155 Lost Communication With Instrument Panel Cluster (IPC) Control Module
  • No CAN messages received from Instrument cluster
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 500 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .-- If the IPC CAN Bus test passes, check IPC communication with a scan tool. If no IPC communication with scan tool and all other modules communicate, check IPC power and grounds. If OK, replace IPC Module.
U02A3 CAN communication with PM Sensor
  • No CAN Message [-]
  • Time after ignition on 0.5 s
 0.3 s
  • Continuous
  • 2 DCY
 -- received CAN message
U0302 Software Incompatibility with Transmission Control Module
  • Auto trans messages received from ECM.
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 100 ms
  • Continuous
  • 2 DCY
 -- Check for correct software in ECM and TCM. If software is incorrect, reflash module with correct software.
U0307 Software Incompatibility With Glow Plug Control Module
  • Error bit = set
  • Communication time after T15 on > 500 ms
 500 ms
  • Continuous
  • 2 DCY
 -- Check part number of Glow Control Unit. Application is incorrect. Replace with correct unit.
U040F Invalid Data Received From Reducing Agent Control Module
  • Error bit = set
   500 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U0402 Invalid Data Received From Transmission Control Module
  • Wrong TCM messages received.
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 60 ms
  • Continuous
  • 2 DCY
 -- May have VIN error or incorrect software. Check VIN and software number for correct data.
U0407 Invalid Data Received From Glow Plug Control Module
  • Implausible messages received
  • Communication time after T15 on > 500 ms
 500 ms
  • Continuous
  • 2 DCY
 -- Check Automatic Glow Time Control Module -J179-. Refer to Automatic Glow Time Control Module -J179- AND GLOW PLUG, CHECKING .
U0415 Invalid Data Received From Anti-Lock Brake System Control Module
  • Error bit = set
  • Implausible data from ABS
OR
  • Speed sensor signal = 655.35 km/h
  • Communication time after T15 ON > 1 s
OR
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 450 ms. to 2 s
  • Continuous
  • 2 DCY
 -- Refer to the Repair Service Information for ABS diagnosis.
U0423 Invalid Data Received From Instrument Panel Cluster Control Module
  • Error message sent from instrument cluster = invalid data
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 480 - 3000 ms
  • Continuous
  • 2 DCY
 -- May have VIN error. Check VIN in each module for correct data
U0447 Invalid Data Received From Gateway "A"
  • Implausible message from gateway
  • Time after ignition on > 500 ms
 300 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U04A4 NOx Sensor communication check / signal range check
  • Communication Error
  • signal sensitivity factor 0.75 -1.25 [-]
  • invalid sensitivity signal >= 2 s
  • communication PM sensor control unit failed > 600 ms
  • Time After ignition On > 1.2 s
 1.4 s
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U1006 NOx Sensor 1 (Front) No communication
  • No messages from NOx sensor 1 module
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING
U1024 Communications Bus Fault
  • Error bit set
  • Communication time after T15 on > 500 ms
 500 ms
  • Continuous
  • 2 DCY
 -- Check the CAN Bus. Refer to CAN BUS TERMINAL RESISTANCE, CHECKING .
U1034 NOx Sensor 1 (Front) Implausible signal
  • Data from NOx sensor 1 module implausible
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 60 ms
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING
U10C1 NOx Sensor 2 (Rear) Implausible signal
  • Data from NOx sensor 2 module implausible
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 60 ms
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING
U10C2 NOx Sensor 2 (Rear) No Communication
  • No messages from NOx sensor 2 module
  • Time after ignition on > 500 ms
  • Battery voltage between 9.5 and 16.5 [V]
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the NOx Sensor. Refer to NOx Sensor Control Module -J583- OR NOx Sensor Control Module 2 -J881-, CHECKING
U140C Reducing Agent Control Module Supply Voltage Too Low
  • Supply voltage < 8.5 [V]
  • Ignition = On
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
U140D Reducing Agent Control Module Supply Voltage Too High
  • Supply voltage > 16.5 [V]
  • Ignition = On
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
U140E Reducing Agent Control Module Function restriction due to insufficient voltage
  • Supply voltage < 9 [V]
  • Ignition = On
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
U140F Reducing Agent Control Module Function restriction due to excessive voltage
  • Supply voltage > 16 [V]
  • Ignition = On
 > 500 ms
  • Continuous
  • 2 DCY
 -- Check the Reducing Agent Metering System Control Module -J880- Refer to Reducing Agent Metering System Control Module -J880-, CHECKING
scientia non olet · About Mike's Workshop Manuals