Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Powertrain Control Module Location
- Programming
- Summary
- Fuel System Pressure Release
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0031: O/2 Sensor Heater Circuit Low 1/1 Or DTC P0032: O/2 Sensor Heater Circuit High 1/1
- DTC P0037: O/2 Sensor Heater Circuit Low 1/2 Or DTC P0038: O/2 Sensor Heater Circuit High 1/2
- DTC P0051: O/2 Sensor Heater Circuit Low 2/1 Or DTC P0052: O/2 Sensor Heater Circuit High 2/1
- DTC P0071: Ambient Temperature Sensor Performance
- DTC P0107: Map Sensor Voltage Too Low
- DTC P0108: Map Sensor Voltage Too High
- DTC P0111: Intake Air Temp Performance
- DTC P0112: Intake Air Temp Sensor Voltage Low
- DTC P0113: Intake Air Temp Sensor Voltage High
- DTC P0117: ECT Sensor Voltage Too Low
- DTC P0118: ECT Sensor Voltage Too High
- DTC P0121: TPS Voltage Does Not Agree With Map
- DTC P0122: Throttle Position Sensor Voltage Low
- DTC P0123: Throttle Position Sensor Voltage High
- DTC P0125: Closed Loop Temp Not Reached
- DTC P0131: 1/1 O2 Sensor Shorted To Ground
- DTC P0132: 1/1 O2 Sensor Shorted To Voltage
- DTC P0133: 1/1 O2 Sensor Slow Response
- DTC P0135: 1/1 O2 Sensor Heater Failure
- DTC P0136: 1/2 O2 Sensor Heater Circuit Malfunction
- DTC P0137: 1/2 O2 Sensor Shorted To Ground
- DTC P0138: 1/2 O2 Sensor Shorted To Voltage
- DTC P0139: 1/2 O2 Sensor Slow Response
- DTC P0141: 1/2 O2 Sensor Heater Failure
- DTC P0151: 2/1 O2 Sensor Shorted To Ground
- DTC P0152: 2/1 O2 Sensor Shorted To Voltage
- DTC P0153: 2/1 O2 Sensor Slow Response
- DTC P0155: 2/1 O2 Sensor Heater Failure
- DTC P0157: 2/2 O2 Sensor Shorted To Ground
- DTC P0158: 2/2 O2 Sensor Shorted To Voltage
- DTC P0159: 2/2 O2 Sensor Slow Response
- DTC P0161: 2/2 O2 Sensor Heater Failure
- DTC P0171: 1/1 Fuel System Lean Or DTC P0174: 2/1 Fuel System Lean
- DTC P0172: 1/1 Fuel System Rich Or DTC P0175: 2/1 Fuel System Rich
- DTC P0201: Injector #1 Control Circuit, DTC P0202: Injector #2 Control Circuit, DTC P0203: Injector #3 Control Circuit, DTC P0204: Injector #4 Control Circuit, DTC P0205: Injector #5 Control Circuit, DTC P0206: Injector #6 Control Circuit, DTC P0207: Injector #7 Control Circuit Or DTC P0208: Injector #8 Control Circuit
- DTC P0300: Multiple Cylinder Misfire, DTC P0301: Cylinder #1 Misfire, DTC P0302: Cylinder #2 Misfire, DTC P0303: Cylinder #3 Misfire, DTC P0304: Cylinder #4 Misfire, DTC P0305: Cylinder #5 Misfire, DTC P0306: Cylinder #6 Misfire, DTC P0307: Cylinder #7 Misfire Or DTC P0308: Cylinder #8 Misfire
- DTC P0320: No Crank Reference Signal At Pcm
- DTC P0340: No Cam Signal At Pcm
- DTC P0351: Ignition Coil #1 Primary Circuit (4.7L), DTC P0352: Ignition Coil #2 Primary Circuit (4.7L), DTC P0353: Ignition Coil #3 Primary Circuit (4.7L), DTC P0354: Ignition Coil #4 Primary Circuit (4.7L), DTC P0355: Ignition Coil #5 Primary Circuit (4.7L), DTC P0356: Ignition Coil #6 Primary Circuit (4.7L), DTC P0357: Ignition Coil #7 Primary Circuit (4.7L) Or DTC P0358: Ignition Coil #8 Primary Circuit (4.7L)
- DTC P0351: Ignition Coil #1 Primary Circuit (5.9L)
- DTC P0420: 1/1 Catalytic Converter Efficiency
- DTC P0432: 2/1 Catalytic Converter Efficiency
- DTC P0441: EVAP Purge Flow Monitor
- DTC P0442: EVAP Leak Monitor Medium (.040) Leak Detected, DTC P0455: EVAP Leak Monitor Large Leak Detected Or DTC P0456: EVAP Leak Monitor Small (.020) Leak Detected
- DTC P0443: EVAP Purge Solenoid Circuit
- DTC P0460: Fuel Level Unit No Change Over Miles Or DTC P0461: Fuel Level Unit No Change Over Time
- DTC P0462: Fuel Level Sending Unit Volts Too Low
- DTC P0463: Fuel Level Sending Unit Volts Too High
- DTC P0500: No Vehicle Speed Sensor Signal
- DTC P0505: Idle Air Control Motor Circuits
- DTC P0522: Oil Pressure Sensor Volts Low
- DTC P0523: Oil Pressure Sensor Volts High
- DTC P0551: Power Steering Switch Failure
- DTC P0601: Pcm Internal Controller Failure
- DTC P0622: Generator Field Not Switching Properly
- DTC P0645: A/C Clutch Relay Circuit
- DTC P1195: 1/1 O2 Sensor Slow During Catalyst Monitor
- DTC P1196: 2/1 O2 Sensor Slow During Catalyst Monitor
- DTC P1197: 1/2 O2 Sensor Slow During Catalyst Monitor
- DTC P1281: Engine Is Cold Too Long
- DTC P1282: Fuel Pump Relay Control Circuit
- DTC P1294: Target Idle Not Reached
- DTC P1296: No 5 Volts To Map Sensor
- DTC P1297: No Change In Map From Start To Run
- DTC P1299: Vacuum Leak Found (IAC Fully Seated)
- DTC P1388: Auto Shutdown Relay Control Circuit
- DTC P1389: No ASD Relay Output Voltage At Pcm
- DTC P1391: Intermittent Loss Of CMP Or CKP
- DTC P1398: Misfire Adaptive Numerator At Limit
- DTC P1486: EVAP Leak Monitor Pinched Hose Found
- DTC P1491: Rad Fan Control Relay Circuit
- DTC P1492: Ambient/Batt Temp Sen Volts Too High
- DTC P1493: Ambient/Batt Temp Sen Volts Too Low
- DTC P1494: Leak Detection Pump SW Or Mechanical Fault
- DTC P1495: Leak Detection Pump Solenoid Circuit
- DTC P1594: Charging System Voltage Too High
- DTC P1598: A/C Pressure Sensor Volts Too High
- DTC P1599: A/C Pressure Sensor Volts Too Low
- DTC P1682: Charging System Voltage Too Low
- DTC P1685: Wrong Or Invalid Key MSG Received From Skim
- DTC P1686: No Skim Bus Message Received
- DTC P1687: No Cluster Bus Message
- DTC P1696: Pcm Failure EEPROM Write Denied Or DTC P1697: Pcm Failure Sri Miles Not Stored
- DTC P1698: No Bus Message From Trans Control Module
- Verification Tests