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Home >> Cadillac >> 2006 >> STS Base, 4.6 A, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.6L (LH2) - Introduction (2 Of 2) >> Diagnostic Information and Procedures >> Diagnostic Code Index

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

DTC Description
DTC P0010, P0013, P0020, or P0023
  • DTC P0010 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 1
  • DTC P0013 Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 1
  • DTC P0020 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 2
  • DTC P0023 Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit Bank 2
DTC P0011, P0014, P0021, or P0024
  • DTC P0011 Intake Camshaft Position (CMP) System Performance Bank 1
  • DTC P0014 Exhaust Camshaft Position (CMP) System Performance Bank 1
  • DTC P0021 Intake Camshaft Position (CMP) System Performance Bank 2
  • DTC P0024 Exhaust Camshaft Position (CMP) System Performance Bank 2
DTC P0016, P0017, P0018, or P0019
  • DTC P0016 Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 1
  • DTC P0017 Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation Bank 1
  • DTC P0018 Crankshaft Position (CKP) - Intake Camshaft Position (CMP) Correlation Bank 2
  • DTC P0019 Crankshaft Position (CKP) - Exhaust Camshaft Position (CMP) Correlation Bank 2
DTC P0030, P0036, P0050, or P0056
  • DTC P0030 HO2S Heater Control Circuit Bank 1 Sensor 1
  • DTC P0036 HO2S Heater Control Circuit Bank 1 Sensor 2
  • DTC P0050 HO2S Heater Control Circuit Bank 2 Sensor 1
  • DTC P0056 HO2S Heater Control Circuit Bank 2 Sensor 2
DTC P0031, P0037, P0051, or P0057
  • DTC P0031 HO2S Heater Control Circuit Low Voltage Bank 1 Sensor 1
  • DTC P0037 HO2S Heater Control Circuit Low Voltage Bank 1 Sensor 2
  • DTC P0051 HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 1
  • DTC P0057 HO2S Heater Control Circuit Low Voltage Bank 2 Sensor 2
DTC P0032, P0038, P0052, or P0058
  • DTC P0032 HO2S Heater Control Circuit High Voltage Bank 1 Sensor 1
  • DTC P0038 HO2S Heater Control Circuit High Voltage Bank 1 Sensor 2
  • DTC P0052 HO2S Heater Control Circuit High Voltage Bank 2 Sensor 1
  • DTC P0058 HO2S Heater Control Circuit High Voltage Bank 2 Sensor 2
DTC P0068 Throttle Body Airflow Performance
DTC P0101 Mass Air Flow (MAF) System Performance
DTC P0102 Mass Air Flow (MAF) Sensor Circuit Low Frequency
DTC P0103 Mass Air Flow (MAF) Sensor Circuit High Frequency
DTC P0106 Barometric Pressure (BARO) Sensor Performance
DTC P0107 Manifold Absolute Pressure (MAP) Sensor Circuit Low Voltage
DTC P0108 Manifold Absolute Pressure (MAP) Sensor Circuit High Voltage
DTC P0112 Intake Air Temperature (IAT) Sensor Circuit Low Voltage
DTC P0113 Intake Air Temperature (IAT) Sensor Circuit High Voltage
DTC P0116 Engine Coolant Temperature (ECT) Sensor Performance
DTC P0117 Engine Coolant Temperature (ECT) Sensor Circuit Low Voltage
DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage
DTC P0122 Throttle Position (TP) Sensor Circuit Low Voltage
DTC P0123 Throttle Position (TP) Sensor 1 Circuit High Voltage
DTC P0125 Engine Coolant Temperature (ECT) Insufficient for Closed Loop Fuel Control
DTC P0128 Engine Coolant Temperature (ECT) Below Thermostat Regulating Temperature
DTC P0131 or P0151
  • DTC P0131 HO2S Circuit Low Voltage Bank 1 Sensor 1
  • DTC P0151 HO2S Circuit Low Voltage Bank 2 Sensor 1
DTC P0132 or P0152
  • DTC P0132 HO2S Circuit High Voltage Bank 1 Sensor 1
  • DTC P0152 HO2S Circuit High Voltage Bank 2 Sensor 1
DTC P0133 or P0153
  • DTC P0133 HO2S Slow Response Bank 1 Sensor 1
  • DTC P0153 HO2S Slow Response Bank 2 Sensor 1
DTC P0135 or P0155
  • DTC P1035 HO2S Heater Performance Bank 1 Sensor 1
  • DTC P1055 HO2S Heater Performance Bank 2 Sensor 1
DTC P0137 or P0157
  • DTC P0137 HO2S Circuit Low Voltage Bank 1 Sensor 2
  • DTC P0157 HO2S Circuit Low Voltage Bank 2 Sensor 2
DTC P0138 or P0158
  • DTC P0138 HO2S Circuit High Voltage Bank 1 Sensor 2
  • DTC P0158 HO2S Circuit High Voltage Bank 2 Sensor 2
DTC P0139 or P0159
  • DTC P0139 HO2S Slow Response Bank 1 Sensor 2
  • DTC P0159 HO2S Slow Response Bank 2 Sensor 2
DTC P0140 or P0160
  • DTC P0140 HO2S Circuit Insufficient Activity Bank 1 Sensor 2
  • DTC P0160 HO2S Circuit Insufficient Activity Bank 2 Sensor 2
DTC P0141 or P0161
  • DTC P0141 HO2S Heater Performance Bank 1 Sensor 2
  • DTC P0161 HO2S Heater Performance Bank 2 Sensor 2
DTC P0171 or P0174
  • DTC P0171 Fuel Trim System Lean Bank 1
  • DTC P0174 Fuel Trim System Lean Bank 2
DTC P0172 or P0175
  • DTC P0172 Fuel Trim System Rich Bank 1
  • DTC P0175 Fuel Trim System Rich Bank 2
DTC P0201, P0202, P0203, P0204, P0205, P0206, P0207, or P0208
  • 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
  • DTC P0208 Injector 8 Control Circuit
DTC P0222 Throttle Position (TP) Sensor 2 Circuit Low Voltage
DTC P0223 Throttle Position (TP) Sensor 2 Circuit High Voltage
DTC P0261, P0264, P0267, P0270, P0273, P0276, P0279, or P0282
  • DTC P0261 Injector 1 Control Circuit Low Voltage
  • DTC P0264 Injector 2 Control Circuit Low Voltage
  • DTC P0267 Injector 3 Control Circuit Low Voltage
  • DTC P0270 Injector 4 Control Circuit Low Voltage
  • DTC P0273 Injector 5 Control Circuit Low Voltage
  • DTC P0276 Injector 6 Control Circuit Low Voltage
  • DTC P0279 Injector 7 Control Circuit Low Voltage
  • DTC P0282 Injector 8 Control Circuit Low Voltage
DTC P0262, P0265, P0268, P0271, P0274, P0277, P0280, or P0283
  • DTC P0262 Injector 1 Control Circuit High Voltage
  • DTC P0265 Injector 2 Control Circuit High Voltage
  • DTC P0268 Injector 3 Control Circuit High Voltage
  • DTC P0271 Injector 4 Control Circuit High Voltage
  • DTC P0274 Injector 5 Control Circuit High Voltage
  • DTC P0277 Injector 6 Control Circuit High Voltage
  • DTC P0280 Injector 7 Control Circuit High Voltage
  • DTC P0283 Injector 8 Control Circuit High Voltage
DTC P0300 Engine Misfire Detected
DTC P0301-P0308
  • DTC P0301 Cylinder 1 Misfire Detected
  • DTC P0302 Cylinder 2 Misfire Detected
  • DTC P0303 Cylinder 3 Misfire Detected
  • DTC P0304 Cylinder 4 Misfire Detected
  • DTC P0305 Cylinder 5 Misfire Detected
  • DTC P0306 Cylinder 6 Misfire Detected
  • DTC P0307 Cylinder 7 Misfire Detected
  • DTC P0308 Cylinder 8 Misfire Detected
DTC P0315 Crankshaft Position (CKP) System Variation Not Learned
DTC P0325 or P0330
  • DTC P0325 Knock Sensor (KS) Circuit Bank 1
  • DTC P0330 Knock Sensor (KS) Circuit Bank 2
DTC P0326 or P0331
  • DTC P0326 Knock Sensor (KS) Performance Bank 1
  • DTC P0331 Knock Sensor (KS) Performance Bank 2
DTC P0335 Crankshaft Position (CKP) Sensor Circuit
DTC P0336 Crankshaft Position (CKP) Sensor Performance
DTC P0340 or P0345
  • DTC P0340 Intake Camshaft Position (CMP) Sensor Circuit Bank 1
  • DTC P0345 Intake Camshaft Position (CMP) Sensor Circuit Bank 2
DTC P0341 or P0346
  • DTC P0341 Intake Camshaft Position (CMP) Sensor Performance Bank 1
  • DTC P0346 Intake Camshaft Position (CMP) Sensor Performance Bank 2
DTC P0351-P0358
  • DTC P0351 for Ignition Coil 1 Control Circuit
  • DTC P0352 for Ignition Coil 2 Control Circuit
  • DTC P0353 for Ignition Coil 3 Control Circuit
  • DTC P0354 for Ignition Coil 4 Control Circuit
  • DTC P0355 for Ignition Coil 5 Control Circuit
  • DTC P0356 for Ignition Coil 6 Control Circuit
  • DTC P0357 for Ignition Coil 7 Control Circuit
  • DTC P0358 for Ignition Coil 8 Control Circuit
DTC P0365 or P0390
  • DTC P0365 Exhaust Camshaft Position (CMP) Sensor Circuit Bank 1
  • DTC P0390 Exhaust Camshaft Position (CMP) Sensor Circuit Bank 2
DTC P0366 or P0391
  • DTC P0366 Exhaust Camshaft Position (CMP) Sensor Performance Bank 1
  • DTC P0391 Exhaust Camshaft Position (CMP) Sensor Performance Bank 2
DTC P0420 or P0430
  • DTC P0420 Catalyst System Low Efficiency Bank 1
  • DTC P0430 Catalyst System Low Efficiency Bank 2
DTC P0442 P0442 EVAP System Small Leak Detected
DTC P0443 P0443 EVAP Purge Solenoid Control Circuit
DTC P0446 EVAP Vent System Performance
DTC P0449 EVAP Vent Solenoid Control Circuit
DTC P0451 Fuel Tank Pressure (FTP) Sensor Performance
DTC P0452 FTP Sensor Circuit Low Voltage
DTC P0453 FTP Sensor Circuit High Voltage
DTC P0454 P0454 Fuel Tank Pressure (FTP) Sensor Circuit Intermittent
DTC P0455 P0455 EVAP System Large Leak Detected
DTC P0458 Evaporative Emission (EVAP) Purge Solenoid Control Circuit Low Voltage
DTC P0459 Evaporative Emission (EVAP) Purge Solenoid Control Circuit High Voltage
DTC P0496 EVAP System Flow During Non-Purge
DTC P0498 Evaporative Emission (EVAP) Vent Solenoid Control Circuit Low Voltage
DTC P0499 Evaporative Emission (EVAP) Vent Solenoid Control Circuit High Voltage
DTC P0506 Idle Speed Low
DTC P0507 Idle Speed High
DTC P0601, P0602, P0603, P0604, P0605, P0606, P0607, P1600, P1621, P1627, P1680, P1681, P1683, or P2610
  • DTC P0601 Control Module Read Only Memory (ROM)
  • DTC P0602 Control Module Not Programmed
  • DTC P0604 Control Module Random Access Memory (RAM)
  • DTC P0606 Control Module Internal Performance
DTC P0638 Throttle Actuator Control (TAC) Command Performance
DTC P0641 5-Volt Reference 1 Circuit
DTC P0650 Malfunction Indicator Lamp (MIL) Control Circuit
DTC P0651 5-Volt Reference 2 Circuit
DTC P0686 Engine Controls Ignition Relay Control Circuit
DTC P0687 Engine Controls Ignition Relay Control Circuit High Voltage
DTC P0689 Engine Controls Ignition Relay Feedback Circuit Low Voltage
DTC P0690 Engine Controls Ignition Relay Feedback Circuit High Voltage
DTC P0700 P0700 Transmission Control Module (TCM) Requested MIL Illumination
DTC P1101 Intake Air Flow System Performance
DTC P1111 Intake Air Temperature (IAT) Sensor Circuit Intermittent High Voltage
DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage
DTC P1114 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent Low Voltage
DTC P1115 Engine Coolant Temperature (ECT) Sensor Circuit Intermittent High Voltage
DTC P1137 or P1157
  • DTC P1137 HO2S Circuit Low Voltage During Power Enrichment Bank 1 Sensor 2
  • DTC P1157 HO2S Circuit Low Voltage During Power Enrichment Bank 2 Sensor 2
DTC P1138 or P1158
  • DTC P1138 HO2S Circuit High Voltage During Decel Fuel Cut-Off (DFCO) Bank 1 Sensor 2
  • DTC P1158 HO2S Circuit High Voltage During Decel Fuel Cut-Off (DFCO) Bank 2 Sensor 2
DTC P1380 Misfire Detected - Rough Road Data Not Available
DTC P1381 Misfire Detected - No Communication with Brake Control Module
DTC P167A or P167B
  • DTC P167A Control Module HO2S Bank 1 Sensor 1 System Performance
  • DTC P167B Control Module HO2S Bank 2 Sensor 1 System Performance
DTC P2088, P2090, P2092, or P2094
  • DTC P2088 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit Low Voltage Bank 1
  • DTC P2090 Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit Low Voltage Bank 1
  • DTC P2092 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit Low Voltage Bank 2
  • DTC P2094 Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit Low Voltage Bank 2
DTC P2089, P2091, P2093, or P2095
  • DTC P2089 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit High Voltage Bank 1
  • DTC P2091 Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit High Voltage Bank 1
  • DTC P2093 Intake Camshaft Position (CMP) Actuator Solenoid Control Circuit High Voltage Bank 2
  • DTC P2095 Exhaust Camshaft Position (CMP) Actuator Solenoid Control Circuit High Voltage Bank 2
DTC P2096 or P2098 DTC P2096 Post Catalyst Fuel Trim System Low Limit Bank 1
DTC P2098 Post Catalyst Fuel Trim System Low Limit Bank 2
DTC P2097 or P2099 DTC P2097 Post Catalyst Fuel Trim System High Limit Bank 1
DTC P2099 Post Catalyst Fuel Trim System High Limit Bank 2
DTC P2100 Throttle Actuator Control (TAC) Motor Control Circuit
DTC P2101 Throttle Actuator Position Performance
DTC P2108 Throttle Actuator Control (TAC) Module Performance
DTC P2119 Throttle Closed Position Performance
DTC P2122 Accelerator Pedal Position (APP) Sensor 1 Circuit Low Voltage
DTC P2123 Accelerator Pedal Position (APP) Sensor 1 Circuit High Voltage
DTC P2127 Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2128 Accelerator Pedal Position (APP) Sensor 2 Circuit Low Voltage
DTC P2135 Throttle Position (TP) Sensor 1-2 Correlation
DTC P2138 Accelerator Pedal Position (APP) Sensor 1-2 Correlation
DTC P2176 Minimum Throttle Position Not Learned
DTC P2231 or P2234
  • DTC P2231 HO2S Signal Circuit Shorted to Heater Circuit Bank 1 Sensor 1
  • DTC P2234 HO2S Signal Circuit Shorted to Heater Circuit Bank 2 Sensor 1
DTC P2237 or P2240
  • DTC P2237 HO2S Pumping Current Control Bank 1 Sensor 1
  • DTC P2240 HO2S Pumping Current Control Bank 2 Sensor 1
DTC P2243 or P2247
  • DTC P2243 HO2S Reference Voltage Circuit Bank 1 Sensor 1
  • DTC P2247 HO2S Reference Voltage Circuit Bank 2 Sensor 1
DTC P2251 or P2254
  • DTC P2251 HO2S Low Reference Circuit Bank 1 Sensor 1
  • DTC P2254 HO2S Low Reference Circuit Bank 2 Sensor 1
DTC P2300, P2303, P2306, P2309, P2312, P2315, P2318, or P2321
  • P2300 Ignition Coil 1 Control Circuit Low Voltage
  • P2303 Ignition Coil 2 Control Circuit Low Voltage
  • P2306 Ignition Coil 3 Control Circuit Low Voltage
  • P2309 Ignition Coil 4 Control Circuit Low Voltage
  • P2312 Ignition Coil 5 Control Circuit Low Voltage
  • P2315 Ignition Coil 6 Control Circuit Low Voltage
  • P2318 Ignition Coil 7 Control Circuit Low Voltage
  • P2321 Ignition Coil 8 Control Circuit Low Voltage
DTC P2301, P2304, P2307, P2310, P2313, P2316, P2319, or P2322
  • P2301 Ignition Coil 1 Control Circuit High Voltage
  • P2304 Ignition Coil 2 Control Circuit High Voltage
  • P2307 Ignition Coil 3 Control Circuit High Voltage
  • P2310 Ignition Coil 4 Control Circuit High Voltage
  • P2313 Ignition Coil 5 Control Circuit High Voltage
  • P2316 Ignition Coil 6 Control Circuit High Voltage
  • P2319 Ignition Coil 7 Control Circuit High Voltage
  • P2322 Ignition Coil 8 Control Circuit High Voltage
DTC P2626 or P2629
  • DTC P2626 HO2S Pumping Current Trim Circuit Bank 1 Sensor 1
  • DTC P2629 HO2S Pumping Current Trim Circuit Bank 2 Sensor 1
DTC P2636 Fuel Transfer Pump Flow Insufficient