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Engine Control System Expand All (for easy ctrl-f) Collapse All SFI System Precaution Definition Of Terms Parts Location System Diagram How To Proceed With Troubleshooting Check For Intermittent Problems Basic Inspection Registration Checking Monitor Status Readiness Monitor Drive Pattern Problem Symptoms Table Terminals Of ECM Diagnosis System DTC Check/Clear Freeze Frame Data Check Mode Procedure Fail-Safe Table Data List/Active Test Diagnostic Trouble Code Table DTC P0010 Camshaft Position "A" Actuator Circuit (Bank 1) DTC P0011, P0012: Camshaft Position "A" - Timing Over-Advanced or System Performance (Bank 1); Camshaft Position "A" - Timing Over-Retarded (Bank 1) DTC P0016 Crankshaft Position - Camshaft Position Correlation (Bank 1 Sensor A) DTC P0031, P0032: Oxygen (A/F) Sensor Heater Control Circuit Low (Bank 1 Sensor 1); Oxygen (A/F) Sensor Heater Control Circuit High (Bank 1 Sensor 1) DTC P0037, P0038, P0141: Oxygen Sensor Heater Control Circuit Low (Bank 1 Sensor 2); Oxygen Sensor Heater Control Circuit High (Bank 1 Sensor 2); Oxygen Sensor Heater Circuit Malfunction (Bank 1 Sensor 2) DTC P0100, P0102, P0103: Mass or Volume Air Flow Circuit; Mass or Volume Air Flow Circuit Low Input; Mass or Volume Air Flow Circuit High Input DTC P0101 Mass Air Flow Circuit Range/Performance Problem DTC P0110, P0112, P0113: Intake Air Temperature Circuit Malfunction; Intake Air Temperature Circuit Low Input; Intake Air Temperature Circuit High Input DTC P0115, P0117, P0118: Engine Coolant Temperature Circuit Malfunction; Engine Coolant Temperature Circuit Low Input; Engine Coolant Temperature Circuit High Input DTC P0116 Engine Coolant Temperature Circuit Range/Performance Problem DTC P0120, P0122, P0123, P0220, P0222, P0223, P2135: Throttle/Pedal Position Sensor/Switch "A" Circuit Malfunction; Throttle/Pedal Position Sensor/Switch "A" Circuit Low Input; Throttle/Pedal Position Sensor/Switch "A" Circuit High Input; Throttle/Pedal Position Sensor/Switch "B" Circuit; Throttle/Pedal Position Sensor/Switch "B" Circuit Low Input; Throttle/Pedal Position Sensor/Switch "B" Circuit High Input; Throttle/Pedal Position Sensor/Switch "A"/"B" Voltage Correlation 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 P0136, P0137, P0138: Oxygen Sensor Circuit Malfunction (Bank 1 Sensor 2); Oxygen Sensor Circuit Low Voltage (Bank 1 Sensor 2); Oxygen Sensor Circuit High Voltage (Bank 1 Sensor 2) DTC P0171, P0172: System Too Lean (Bank 1); System Too Rich (Bank 1) DTC P0300, P0301, P0302, P0303, P0304: Random/Multiple Cylinder Misfire Detected; Cylinder 1 Misfire Detected; Cylinder 2 Misfire Detected; Cylinder 3 Misfire Detected; Cylinder 4 Misfire Detected DTC P0327, P0328: Knock Sensor 1 Circuit Low Input (Bank 1 or Single Sensor); Knock Sensor 1 Circuit High Input (Bank 1 or Single Sensor) DTC P0335, P0339: Crankshaft Position Sensor "A" Circuit; Crankshaft Position Sensor "A" Circuit Intermittent DTC P0340 Camshaft Position Sensor "A" Circuit (Bank 1 or Single Sensor) DTC P0351, P0352, P0353, P0354: Ignition Coil "A" Primary/Secondary Circuit; Ignition Coil "B" Primary/Secondary Circuit; Ignition Coil "C" Primary/Secondary Circuit; Ignition Coil "D" Primary/Secondary Circuit DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) DTC P043E, P043F: Evaporative Emission System Reference Orifice Clog Up; Evaporative Emission System Reference Orifice High Flow DTC P0441 Evaporative Emission Control System Incorrect Purge Flow DTC P0450, P0451, P0452, P0453: Evaporative Emission Control System Pressure Sensor/Switch; Evaporative Emission Control System Pressure Sensor Range/Performance; Evaporative Emission Control System Pressure Sensor/Switch Low Input; Evaporative Emission Control System Pressure Sensor/Switch High Input DTC P0455, P0456: Evaporative Emission Control System Leak Detected (Gross Leak); Evaporative Emission Control System Leak Detected (Very Small Leak) DTC P0500 Vehicle Speed Sensor "A" DTC P0504 Brake Switch "A"/"B" Correlation DTC P0505 Idle Control System Malfunction DTC P050A, P050B: Cold Start Idle Air Control System Performance; Cold Start Ignition Timing Performance DTC P0560 System Voltage DTC P0604, P0606, P0607, P0657: Internal Control Module Random Access Memory (RAM) Error; ECM/PCM Processor; Control Module Performance; Actuator Supply Voltage Circuit/Open DTC P0617 Starter Relay Circuit High DTC P0630 VIN not Programmed or Mismatch - ECM/PCM DTC P0724 Brake Switch "B" Circuit High DTC P2102, P2103: Throttle Actuator Control Motor Circuit Low; Throttle Actuator Control Motor Circuit High DTC P2111, P2112: Throttle Actuator Control System - Stuck Open; 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, P2122, P2123, P2125, P2127, P2128, P2138: Throttle/Pedal Position Sensor/Switch "D" Circuit; Throttle/Pedal Position Sensor/Switch "D" Circuit Low Input; Throttle/Pedal Position Sensor/Switch "D" Circuit High Input; Throttle/Pedal Position Sensor/Switch "E" Circuit; Throttle/Pedal Position Sensor/Switch "E" Circuit Low Input; Throttle/Pedal Position Sensor/Switch "E" Circuit High Input; Throttle/Pedal Position Sensor/Switch "D"/"E" Voltage Correlation DTC P2121 Throttle/Pedal Position Sensor/Switch "D" Circuit Range/Performance DTC P2195, P2196: Oxygen (A/F) Sensor Signal Stuck Lean (Bank 1 Sensor 1); Oxygen (A/F) Sensor Signal Stuck Rich (Bank 1 Sensor 1) DTC P2238, P2239, P2252, P2253: Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1); Oxygen (A/F) Sensor Pumping Current Circuit Low (Bank 1 Sensor 1); Oxygen (A/F) Sensor Pumping Current Circuit High (Bank 1 Sensor 1) DTC P2401, P2402: Evaporative Emission Leak Detection Pump Stuck OFF; Evaporative Emission Leak Detection Pump Stuck ON DTC P2419, P2420: Evaporative Emission System Switching Valve Control Circuit Low; Evaporative Emission System Switching Valve Control Circuit High DTC P2610 ECM/PCM Internal Engine Off Timer Performance DTC P2A00 A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) EVAP System ECM Power Source Circuit VC Output Circuit Fuel Pump Control Circuit Cranking Holding Function Circuit MIL Circuit Mass Air Flow Meter Camshaft Timing Oil Control Valve Assembly Camshaft Position Sensor Crankshaft Position Sensor Engine Coolant Temperature Sensor Throttle Body Knock Sensor Integration Relay ECM Accelerator Pedal