Engine Controls - Self-Diagnostics
- Introduction
- Self-Diagnostic System
- Diagnostic Trouble Code Definitions
- Diagnostic Tests
- Notes
- DTC P0010: Camshaft Actuator Circuit
- DTC P0011: Camshaft Timing Over-Advanced
- DTC P0012: Camshaft Timing Over-Retarded
- DTC P0031: Front Heated Oxygen Sensor Heater Control Circuit Low
- DTC P0032: Front Heated Oxygen Sensor Heater Control Circuit High
- DTC P0037: Rear Heated Oxygen Sensor Heater Control Circuit Low
- DTC P0038: Rear Heated Oxygen Sensor Heater Control Circuit High
- DTC P0101: Mass Airflow Sensor Circuit Range Performance Malfunction
- DTC P0102: Mass Airflow Sensor Circuit Low Input
- DTC P0103: Mass Airflow Sensor Circuit High Input
- DTC P0106: BARO Circuit Performance Problem
- DTC P0107: BARO Circuit Low Input
- DTC P0108: BARO Circuit High Input
- DTC P0111: Intake Air Temperature Sensor Circuit Performance Malfunction
- DTC P0112: Intake Air Temperature Sensor Circuit Low Input
- DTC P0113: Intake Air Temperature Sensor Circuit High Input
- DTC P0116: Engine Coolant Temperature Sensor Circuit Range/Performance Malfunction
- DTC P0117: Engine Coolant Temperature Sensor Circuit Low Input
- DTC P0118: Engine Coolant Temperature Sensor Circuit High Input
- DTC P0121: Throttle Position Sensor Circuit Range/Performance Malfunction
- DTC P0122: Throttle Position Sensor Circuit Low Input
- DTC P0123: Throttle Position Sensor Circuit High Input
- DTC P0125: Insufficient Coolant Temperature For Closed Loop Fuel Control
- DTC P0126: Insufficient Coolant Temperature For Stable Operation & DTC P0128: Coolant Temperature Less Than Thermostat Regulating Temperature
- DTC P0131: Front Heated Oxygen Sensor No Inversion (Low Voltage Stuck)
- DTC P0132: Front Heated Oxygen Sensor No Inversion (High Voltage Stuck)
- DTC P0133: Front Heated Oxygen Sensor Circuit Slow Response
- DTC P0134: Front Heated Oxygen Sensor Circuit No Activity Detected
- DTC P0138: Rear Heated Oxygen Sensor Circuit High Input
- DTC P0140: Rear Heated Oxygen Sensor Circuit No Activity Detected
- DTC P0171: Fuel Trim System Too Lean
- DTC P0172: Fuel Trim System Too Rich
- DTC P0300: Random Misfire Detected
- DTC P0301: CYLINDER No. 1 MISFIRE DETECTION, DTC P0302: CYLINDER No. 2 MISFIRE DETECTION, DTC P0303: CYLINDER No. 3 MISFIRE DETECTION OR DTC P0304: CYLINDER No. 4 MISFIRE DETECTION
- DTC P0327: Knock Sensor Circuit Low Input
- DTC P0328: Knock Sensor Circuit High Input
- DTC P0335: Crankshaft Position Sensor Circuit Malfunction
- DTC P0340: Camshaft Position Sensor Circuit Malfunction
- DTC P0401: Exhaust Gas RECIRCULATION System Insufficient Flow Detected
- DTC P0402: Exhaust Gas RECIRCULATION System Excessive Flow Detected
- DTC P0420: Catalyst System Efficiency Below Threshold
- DTC P0442: EVAP Control System Small Leak Detected
- DTC P0443: EVAP Control System Purge Control Solenoid Valve Circuit Malfunction
- DTC P0451: Fuel Tank Pressure Sensor Performance Problem
- DTC P0452: EVAP Control System Pressure Sensor Low Input
- DTC P0453: EVAP Control System Pressure Sensor High Input
- DTC P0455: EVAP Control System Malfunction Large Leak Detected
- DTC P0461: Fuel Gauge Sending Unit Circuit Range/Performance Problem
- DTC P0462: Fuel Gauge Sending Unit Circuit Low Input
- DTC P0463: Fuel Gauge Sending Unit Circuit High Input
- DTC P0464: Fuel Gauge Sending Unit Circuit Performance (Slosh Check)
- DTC P0480: Cooling Fan Relay Circuit
- DTC P0500: Vehicle Speed Sensor Malfunction
- DTC P0505: Idle Air Control Valve Circuit Malfunction
- DTC P0506: Idle Control System Rpm Lower Than Expected
- DTC P0507: Idle Control System Rpm Higher Than Expected
- DTC P0550: Power Steering Pressure Switch Circuit Malfunction
- DTC P0605: Internal Control Module Read Only Memory (ROM) Error
- DTC P0703: Brake Switch Input Circuit Malfunction
- DTC P0704: Clutch Switch Input Circuit Malfunction
- DTC P0850: Neutral Switch Input Circuit Malfunction
- DTC P1449: Canister Drain Cut Valve Open Or Short
- DTC P1450: EVAP Control System Malfunction Excessive Vacuum
- DTC P1487: Exhaust Gas RECIRCULATION Boost Sensor Solenoid Valve Circuit Malfunction
- DTC P1496: Exhaust Gas RECIRCULATION Valve Solenoid Coil No. 1 Open Or Short
- DTC P1497: Exhaust Gas RECIRCULATION Valve Solenoid Coil No. 2 Open Or Short
- DTC P1498: Exhaust Gas RECIRCULATION Valve Solenoid Coil No. 3 Open Or Short
- DTC P1499: Exhaust Gas RECIRCULATION Valve Solenoid Coil No. 4 Open Or Short
- DTC P1512: Variable Tumble Control System Stuck Closed
- DTC P1518: Variable Tumble Control System Stuck Open
- DTC P1562: Pcm +BB Voltage Low
- DTC P1569: Variable Tumble Control System Solenoid Valve Circuit Low Input
- DTC P1570: Variable Tumble Control System Solenoid Valve Circuit, High Input
- DTC P1601: Pcm-TCM Communication Line Error
- DTC P1602: Immobilizer Unit-Pcm Communication Line Error
- DTC P1603: Key Id Number Unregistered In Pcm
- DTC P1604: Code Word Unregistered In Pcm
- DTC P1608: Pcm Internal Circuit Malfunction
- DTC P1621: Code Word Mismatch After Engine Cranking
- DTC P1622: Key Id Number Mismatch
- DTC P1623: Code Word Or Key Id Number Read/Write Error In Pcm
- DTC P1624: Immobilizer System Communication Counter = Zero
- DTC P1631: Generator Output Voltage Signal No Electricity
- DTC P1633: Battery Overcharge
- DTC P1634: Generator Terminal "B" Circuit Open
- Reference Voltage Test