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Engine Controls - Self Diagnostics Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Scan Tool Problems Summary Diagnostic Trouble Code Definitions Diagnostic Tests Notes DTC P0010: Camshaft Position "A" Actuator Circuit (Bank No. 1) DTC P0011: Camshaft Position "A" - Timing Over-Advanced Or System Performance (Bank No. 1) & DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank No. 1) DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank No. 1 Sensor "A") DTC P0031, DTC P0032, DTC P0037 & DTC P0038 DTC P0100, DTC P0102 & DTC P0103 DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Problem DTC P0110, DTC P0112 & DTC P0113 DTC P0115, DTC P0117 & DTC P0118 DTC P0116: Engine Coolant Temperature Circuit Range/Performance Problem & DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control DTC P0120, DTC P0122 & DTC P0123 DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Problem DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) DTC P0130, DTC P2195 & DTC P2196 DTC P0133: Oxygen Sensor Circuit Slow Response (Bank No. 1 Sensor No. 1) DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank No. 1 Sensor No. 1) DTC P0136: Oxygen Sensor Circuit Malfunction (Bank No. 1 Sensor No. 2) DTC P0171: System Too Lean (Bank No. 1) & DTC P0172: System Too Rich (Bank No. 1) DTC P0300, DTC P0301, DTC P0302, DTC P0303 & DTC P0304 DTC P0325: Knock Sensor No. 1 Circuit (Bank No. 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 No. 1 Or Single Sensor) & DTC P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Bank No. 1) DTC P0351, DTC P0352, DTC P0353 & DTC P0354 DTC P0420: Catalyst System Efficiency Below Threshold (Bank No. 1) DTC P0441: EVAP System Incorrect Purge Flow & DTC P0446: EVAP System Vent Control Circuit DTC P0442: EVAP System Leak Detected (Small Leak) & DTC P0456: EVAP System Leak Detected (Very Small Leak) DTC P0451, DTC P0452 & DTC P0453 DTC P0500: Vehicle Speed Sensor "A" DTC P0505: Idle Air Control System DTC P0511: Idle Air Control Circuit DTC P0550, DTC P0552 & DTC P0553 DTC P0560: System Voltage DTC P0606: ECM/Pcm Processor DTC P0617: Starter Relay Circuit High