Engine Controls - Self-Diagnostics
- Diagnostic Tests
- Diagnostic Trouble Code Identification
- ECM Harness Connector
- DTC P0100: Mass Airflow (MAF) Sensor
- DTC P0105: Absolute Pressure (AP) Sensor
- DTC P0110: Intake Air Temperature (IAT) Sensor
- DTC P0115 Or P0125: Engine Coolant Temperature (ECT) Sensor
- DTC P0120: Throttle Position (TP) Sensor
- DTC P0130: Front Heated Oxygen Sensor (Ho2S)
- DTC P0131 Or P0132: Front Heated Oxygen Sensor (Ho2S)
- DTC P0133: Front Heated Oxygen Sensor (Ho2S)
- DTC P0134: Front Heated Oxygen Sensor (Ho2S)
- DTC P0135: Front Heated Oxygen Sensor (Ho2S) Heater
- DTC P0137, P0138, P0139 Or P0140: Rear Heated Oxygen Sensor (Ho2S)
- DTC P0141: Rear Heated Oxygen Sensor (Ho2S) Heater
- DTC P0171 Or P0172: Fuel Injection System Function
- DTC P0180: Fuel Tank Temperature (FTT) Sensor
- DTC P0300-P0304: Cylinder Or Multiple Cylinder Misfire
- DTC P0325: Knock Sensor
- DTC P0335 Or P1336: Crankshaft Position (CKP) Sensor
- DTC P0340: Camshaft Position (CMP) Sensor
- DTC P0400: EGR Function
- DTC P0402: EGR Control BACKPRESSURE Transducer (EGRC-BPT)
- DTC P0420: 3-Way Catalyst Function
- DTC P0440: EVAP Control System (Small Leak - Negative Pressure) Or DTC P1441: EVAP Control System (Very Small Leak)
- DTC P0443: EVAP Canister Purge Volume Control Valve (EVAP-CPVCV)
- DTC P0446: EVAP Canister Vent Control Valve (EVAP-CVCV)
- DTC P0450: EVAP Control System Pressure Sensor (EVAP-CSPS)
- DTC P0455: EVAP Control System (Large Leak)
- DTC P0460: Fuel Level Sensor Function (Slosh)
- DTC P0461: Fuel Level Sensor Function
- DTC P0464: Fuel Level Sensor Circuit
- DTC P0500: Vehicle Speed Sensor (VSS)
- DTC P0505: Idle Air Control Valve-Auxiliary Air Control (IACV-AAC) Valve
- DTC P0510: Closed Throttle Position (TP) Switch
- DTC P0600: A/T Control
- DTC P0605: ECM
- DTC P1126: Thermostat Function
- DTC P1148: Closed Loop Control
- DTC P1320: Ignition Signal
- DTC P1336: Crankshaft Position (CKP) Sensor
- DTC P1400: EGR Control (EGRC) Solenoid
- DTC P1401: EGR Temperature Sensor
- DTC P1402: EGR Function
- DTC P1441: EVAP Control System (Very Small Leak)
- DTC P1444: EVAP Canister Purge Volume Control Valve (EVAP-CPVCV)
- DTC P1446: EVAP Canister Vent Control Valve (EVAP-CVCV)
- DTC P1447: EVAP Control System Purge Flow Monitoring
- DTC P1448: EVAP Canister Vent Control Valve (EVAP-CVCV)
- DTC P1464: Fuel Level Sensor Circuit (Ground Signal)
- DTC P1490: Vacuum Cut Valve By-Pass Valve
- DTC P1491: Vacuum Cut Valve By-Pass Valve
- DTC P1605: A/T Diagnostic Communication Line
- DTC P1706: Park/Neutral Position (PNP) Switch
- Mil 0208: Cooling Fan Circuit