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Engine Controls - Diagnostics Expand All (for easy ctrl-f) Collapse All How To Proceed With Troubleshooting Customer Problem Analysis Check Pre-Check Readiness Monitor Drive Pattern Diagnostic Trouble Code Table Parts Location Terminals Of ECM Problem Symptoms Table DTC Tests DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1) DTC P0011: Camshaft Position "A" - Timing Over - Advanced or System Performance (Bank 1), DTC P0012: Camshaft Position "A" - Timing Over - Retarded (Bank 1) DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) DTC P0031: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 1), DTC P0032: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 1), DTC P0037: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2), DTC P0038: Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2) DTC P0100: Mass or Volume Air Flow Circuit, DTC P0102: Mass or Volume Air Flow Circuit Low Input, DTC P0103: Mass or Volume Air Flow Circuit High Input DTC P0101: Mass or Volume Air Flow Circuit Range/Performance Problem DTC P0110: Intake Air Temperature Circuit DTC P0112 Intake Air Temperature Circuit Low Input, DTC P0113: Intake Air Temperature Circuit High Input DTC P0115: Engine Coolant Temperature Circuit, DTC P0117: Engine Coolant Temperature Circuit Low Input, DTC P0118: Engine Coolant Temperature Circuit High Input DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem DTC P0120: Throttle/Pedal Position Sensor/Switch "A" Circuit, DTC P0122: Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input, DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit High Input DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem DTC P0125: Insufficient Coolant Temperature for Closed Loop Fuel Control DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) DTC P0130: Oxygen Sensor Circuit (Bank 1 Sensor 1), DTC P2195: Oxygen Sensor Signal Stuck Lean (Bank 1 Sensor 1), DTC P2196: Oxygen Sensor Signal Stuck Rich (Bank 1 Sensor 1) DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1 Sensor 1) DTC P0136: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2) DTC P0171: System too Lean (Bank 1), DTC P0172: System too Rich (Bank 1) DTC P0300: Random/Multiple Cylinder Misfire Detected, 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 P0325: Knock Sensor 1 Circuit (Bank 1 or Single Sensor) DTC P0335: Crankshaft Position Sensor "A" Circuit, DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor), DTC P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank 1) DTC P0351: Ignition Coil "A" Primary/Circuit, DTC P0352: Ignition Coil "B" Primary/Circuit, DTC P0353: Ignition Coil "C" Primary/Circuit, DTC P0354: Ignition Coil "D" Primary/Circuit DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) DTC P0441: Evaporative Emission Control System Incorrect Purge Flow, DTC P0442: Evaporative Emission Control System Leak Detected (small leak), DTC P0446: Evaporative Emission Control System Vent Control Circuit, DTC P0456: Evaporative Emission Control System Leak Detected (very small leak) DTC P0451: Evaporative Emission Control System Pressure Sensor/Switch Range/Performance: DTC P0452 Evaporative Emission Control System Pressure Sensor/Switch Low Input: DTC P0453 Evaporative Emission Control System Pressure Sensor/Switch High Input DTC P0500: Vehicle Speed Sensor "A" DTC P0505: Idle Air Control System: DTC P0511 Idle Air Control Circuit DTC P0550: Power Steering Pressure Sensor/Switch Circuit: DTC P0552 Power Steering Pressure Sensor/Switch Circuit Low Input: DTC P0553 Power Steering Pressure Sensor/Switch Circuit HIGH Input DTC P0560: System Voltage DTC P0606: ECM/PCM Processor DTC P0617: Starter Relay Circuit High ECM Power Source Circuit Fuel Pump Control Circuit Stop Light Switch Circuit MIL Circuit