Engine Controls - Self-Diagnostics
- Diagnostic Trouble Code (DTC) Identification
- Diagnostic Tests
- Notes
- DTC P0102, P0103: Mass Airflow (MAF) Sensor
- DTC P0112, P0113: Intake Air Temperature (IAT) Sensor
- DTC P0116, P0117, P0118: Engine Coolant Temperature (ECT) Sensor
- DTC P0121, P0122, P0123: Throttle Position (TP) Sensor
- DTC P0130, P0136: Ho2S Circuit Malfunction
- DTC P0131, P0137: Ho2S Circuit Low Voltage
- DTC P0132, P0138: Ho2S Circuit High Voltage
- DTC P0133, P0134: Front Ho2S Circuit Slow Response Or No Activity Detected
- DTC P0135, P0141: Ho2S Heater Circuit Malfunction
- DTC P0201, P0202, P0203, P0204: Cylinders No. 1-4 Injector Circuit Malfunction
- DTC P0300: Random Misfire Detected
- DTC P0301, P0302, P0303, P0304: Cylinders No. 1-4 Misfire Detected
- DTC P0326: Knock Sensor (KS) Range
- DTC P0335, P0336: Crankshaft Position (CKP) Sensor
- DTC P0342, P0343: Camshaft Position (CMP) Sensor
- DTC P0422: Catalyst Efficiency Below Threshold
- DTC P0441, P0442, P0443, P0455: EVAP Purge Control Valve System
- DTC P0444, P0445: EVAP Purge Control Valve
- DTC P0446, P0447, P0448: Canister Close Valve
- DTC P0451, P0452, P0453: Fuel Tank Pressure (Ftp) Sensor
- DTC P0501: Vehicle Speed Sensor (VSS) Malfunction
- DTC P0506, P0507: Idle Rpm Is Not As Expected
- DTC P1123, P1124, P1127, P1128: Air/Fuel Ratio Control
- DTC P1510, P1552: Idle Speed Control (ISC) Actuator Circuit Shorted
- DTC P1513, P1553: Idle Speed Control (ISC) Actuator Circuit Open
- DTC P1605, P1606: Acceleration/Rough Road Sensor
- DTC P1611, P1613: Mil Request Signal Circuit