DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION
See DTC IDENTIFICATION table, then go to appropriate diagnostic procedure in DIAGNOSTIC TESTS. Repair condition which set DTC(s), beginning with lowest number first, then in ascending order.
| Code | Probable Cause |
|---|---|
| P0101 | Mass Airflow (MAF) Range/Performance Malfunction |
| P0102 | Mass Airflow (MAF) Circuit Input Low |
| P0103 | Mass Airflow (MAF) Circuit Input High |
| P0110 | Intake Air Temperature (IAT) Circuit Malfunction |
| P0115 | Engine Coolant Temperature (ECT) Sensor Circuit Malfunction |
| P0116 | Engine Coolant Temperature (ECT) Sensor Range/Performance |
| P0120 | Throttle Position Circuit Malfunction |
| P0121 | Throttle Position (TP) Sensor Range/Performance |
| P0123 | Throttle Position (TP) Sensor Input High |
| P0125 | Insufficient Coolant Temperature For Closed Loop |
| P0130 | HO2S Circuit Malfunction (Front) |
| P0132 | HO2S Circuit High Voltage (Front) |
| P0135 | HO2S Heater Circuit Malfunction (Front) |
| P0136 | HO2S Circuit Malfunction (Rear) |
| P0139 | HO2S Circuit Slow Response (Rear) |
| P0140 | HO2S No Activity Detected (Rear) |
| P0141 | HO2S Heater Circuit Malfunction (Rear) |
| P0171 | Fuel System To Lean |
| P0172 | Fuel System To Rich |
| P0201 | Injector No. 1 Circuit Malfunction |
| P0202 | Injector No. 2 Circuit Malfunction |
| P0203 | Injector No. 3 Circuit Malfunction |
| P0204 | Injector No. 4 Circuit Malfunction |
| P0300 | Random Misfire Detected |
| P0301 | Cylinder No. 1 Misfire Detected |
| P0302 | Cylinder No. 2 Misfire Detected |
| P0303 | Cylinder No. 3 Misfire Detected |
| P0304 | Cylinder No. 4 Misfire Detected |
| P0325 | Knock Sensor Circuit Malfunction |
| P0335 | Crankshaft Position (CKP) Sensor Malfunction |
| P0340 | Camshaft Position (CMP) Sensor Malfunction |
| P0401 | EGR Flow Insufficient |
| P0403 | EGR Solenoid Circuit Malfunction |
| P0421 | Catalyst Efficiency Below Threshold |
| P0442 | EVAP System Small Leak Detected |
| P0443 | EVAP Purge Control Valve Circuit Malfunction |
| P0446 | EVAP Vent Control Malfunction |
| P0451 | EVAP Fuel Tank Pressure Sensor Signal Range/Performance |
| P0452 | EVAP Fuel Tank Pressure Sensor Low Input |
| P0453 | EVAP Fuel Tank Pressure Sensor High Input |
| P0455 | EVAP System Large Leak Detected |
| P0500 | Vehicle Speed Sensor (VSS) Malfunction |
| P0506 | Idle RPM Lower Than Expected |
| P0507 | Idle RPM Higher Than Expected |
| P0510 | Closed Throttle Position Switch Malfunction |
| P0700 | Input Pulse From TCM To ECM Malfunction |
| P1100 | Manifold Absolute Pressure (MAP) Sensor Malfunction |
| P1102 | Manifold Absolute Pressure (MAP) Sensor Low Input |
| P1103 | Manifold Absolute Pressure (MAP) Sensor High Input |
| P1521 | Power Steering Pressure Switch Signal Malfunction |
DTC IDENTIFICATION