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.
DTC IDENTIFICATION
| Code | Probable Cause |
|---|---|
| P0100 | Mass Airflow (MAF) Circuit Malfunction |
| P0110 | Intake Air Temperature (IAT) Circuit Malfunction |
| P0115 | Engine Coolant Temperature (ECT) Sensor Circuit Malfunction |
| P0120 | Throttle Position Circuit Malfunction |
| P0125 | Excessive Time To Enter Closed Loop Fuel Contro |
| P0130 | HO2S Circuit Malfunction (Front) |
| P0135 | HO2S Heater Circuit Malfunction (Front) |
| P0136 | HO2S Circuit Malfunction (Rear) |
| P0141 | HO2S Heater Circuit Malfunction (Rear) |
| 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 |
| P0400 | EGR Flow Malfunction |
| 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 |
| P0450 | EVAP Fuel Tank Pressure Sensor Malfunction |
| 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 |
| P0505 | Idle Control System Malfunction |
| P0510 | Closed Throttle Position Switch Malfunction |
| P1100 | Manifold Absolute Pressure (MAP) Sensor Malfunction |
| P1520 | Generator FR Terminal Circuit Malfunction |
| P1521 | Power Steering Pressure Switch Signal Malfunction |