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Engine Control System - Diagnosis Expand All (for easy ctrl-f) Collapse All How To Proceed With Troubleshooting Customer Problem Analysis Check Location Diagnosis System DTC Check/Clear Check Mode Procedure Basic Inspection Terminals Of ECM Data List/Active Test Definition Of Terms Part And System Name List List Of Disable A Monitor Checking Monitor Status Readiness Monitor Drive Pattern Diagnostic Trouble Code Chart Fail-Safe Chart Check For Intermittent Problems Problem Symptoms Table DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1) DTC P0011, DTC P0012: Camshaft Position "A" - Timing Over (Bank 1) DTC P0016: Crankshaft Position Correlation (Bank 1 Sensor A) DTC P0031, DTC P0032, DTC P0037, DTC P0038: Oxygen Sensor Heater Control Circuit (Bank 1 Sensor 1) & Oxygen Sensor Heater Control Circuit (Bank 1 Sensor 2) DTC P0100, DTC P0102, DTC P0103: Mass Or Volume Air Flow Circuit DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem DTC P0110, DTC P0112, DTC P0113: Intake Air Temperature Circuit DTC P0115, DTC P0117, DTC P0118: Engine Coolant Temperature Circuit DTC P0116: Engine Coolant Temp. Circuit Range/Performance Problem DTC P0120, DTC P0122, DTC P0123: Throttle/Pedal Position Sensor/Switch "A" Circuit 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, DTC P2195, DTC P2196: Oxygen Sensor Circuit (Bank 1 Sensor 1) Oxygen Sensor Signal Stuck Lean & 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, DTC P0172: System Too Lean (Bank 1) & System Too Rich (Bank 1) DTC P0300, DTC P0301, DTC P0302, DTC P0303, DTC P0304: Random/Multiple Cylinder Misfire Detected & Cylinder Misfire Detected DTC P0325: Knock Sensor 1 Circuit (Bank 1 Or Single Sensor) DTC P0335, DTC P0339: Crankshaft Position Sensor "A" Circuit DTC P0340, DTC P0341: Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor) DTC P0351, DTC P0352, DTC P0353, DTC P0354: Ignition Coil Primary/Secondary Circuit DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) DTC P0441, DTC P0446: Evaporative Emission Control System Malfunction DTC P0442, DTC P0456: Evaporative Emission Control System Leak Detected DTC P0451, DTC P0452, DTC P0453: Evaporative Emission Control System Pressure Sensor/Switch DTC P0500: Vehicle Speed Sensor "A" DTC P0505, DTC P0511: Idle Air Control System Circuit DTC P0550, DTC P0552, DTC P0553: Power Steering Pressure Sensor/Switch Circuit 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