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Engine Controls - Self-Diagnostics Expand All (for easy ctrl-f) Collapse All Introduction Self-Diagnostic System Scan Tool Problems Summary Component Locations Connector Identification Diagnostic Tests Notes DTC P0010: Camshaft Position "A" Actuator Circuit (Bank 1) DTC P0011: Camshaft Position "A" - Timing Over-Advanced Or System Performance (Bank 1) Or DTC P0012: Camshaft Position "A" - Timing Over-Retarded (Bank 1) DTC P0016: Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) DTC P0031, DTC P0032, DTC P0037, DTC P0038, DTC P0051, DTC P0052, DTC P0057 Or DTC P0058 DTC P0100, DTC P0102 Or DTC P0103 DTC P0101: Mass Or Volume Air Flow Circuit Range/Performance Fault DTC P0110, DTC P0112 Or DTC P0113 DTC P0115, DTC P0117 Or DTC P0118 DTC P0116: Engine Coolant Temperature Circuit Range/Performance Fault Or DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control DTC P0120, DTC P0122, DTC P0123, DTC P0220, DTC P0222, DTC P0223 Or DTC P2135 DTC P0121: Throttle/Pedal Position Sensor/Switch "A" Circuit Range/Performance Fault DTC P0128: Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) DTC P0130, DTC P0150 Or DTC P2195, DTC P2196, DTC P2197 Or DTC P2198 DTC P0133: Oxygen Sensor Circuit Slow Response (Bank 1 Sensor 1) Or P0153: Oxygen Sensor Circuit Slow Response (Bank 2 Sensor 1) DTC P0134: Oxygen Sensor Circuit No Activity Detected (Bank 1, Sensor 1) Or P0154: Oxygen Sensor Circuit No Activity Detected (Bank 2, Sensor 1) DTC P0136, DTC P0156 Or DTC P2270, DTC P2271, DTC P2272 Or P2273 DTC P0171, DTC P0172, DTC P0174 Or DTC P0175 DTC P0230: Fuel Pump Primary Circuit DTC P0300, DTC P0301, DTC P0302, DTC P0303, DTC P0304, DTC P0305 & P0306 DTC P0325: Knock Sensor 1 Circuit (Bank 1 Or Single Sensor) Or DTC P0330: Knock Sensor 2 Circuit Malfunction (Bank 2) DTC P0335: Crankshaft Position Sensor "A" Circuit Or DTC P0339: Crankshaft Position Sensor "A" Circuit Intermittent DTC P0340: Camshaft Position Sensor "A" Circuit (Bank 1 Or Single Sensor) Or P0341: Camshaft Position Sensor "A" Circuit Range/Performance (Single Sensor) DTC P0351: Igniter Coil "A" Primary/Secondary Circuit DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) Or P0430: Catalyst System Efficiency Below Threshold (Bank 2) DTC P0441: Evaporative Emission Control System Incorrect Purge Flow Or DTC P0446: Evaporative Emission Control System Vent Control Circuit DTC P0442: Evaporative Emission Control System Leak Detected (Small Leak) Or DTC P0456: Evaporative Emission Control System Leak Detected (Very Small Leak) DTC P0451, DTC P0452, Or DTC P0453 DTC P0500: Vehicle Speed Sensor "A" & DTC P0503: Vehicle Speed Sensor "A" Intermittent/Erratic/High DTC P0505: Idle Air Control System DTC P0550, DTC P0552 Or DTC P0553 DTC P0560: System Voltage DTC P0604, DTC P0606, DTC P0607 Or DTC P0657 DTC P0617: Starter Relay Circuit High DTC P2102: Throttle Actuator Control Motor Circuit Low Or DTC P2103: Throttle Actuator Control Motor Circuit High DTC P2111: Throttle Actuator Control System Stuck Open Or DTC P2112: Throttle Actuator Control System Stuck Closed DTC P2118: Throttle Actuator Control Motor Current Range/Performance DTC P2119: Throttle Actuator Control Throttle Body Range/Performance DTC P2120, DTC P2122, DTC P2123, DTC P2125, DTC P2127, DTC P2128 Or DTC P2138 DTC P2121: Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance