Trouble Code Definition
TROUBLE CODE IDENTIFICATION
| Code | System Affected | Probable Cause |
|---|---|---|
| 12 | System Normal | System Normal |
| 13 | Oxygen Sensor Circuit | Sensor/Circuit, ECM |
| 14 | Coolant Temp. Sensor (Short) | Temp. Sensor/Ckt, ECM |
| 15 | Coolant Temp. Sensor (Open) | Temp. Sensor/Ckt, ECM |
| 21 | TV Switch (Idle & WOT) | Switch/Circuit, ECM |
| 22 | Starter Signal | Circuit, ECM |
| 23 | Power Transistor (Shorted) | Transistor/Circuit, ECM |
| 25 | Pressure Regulator VSV | VSV/Circuit, ECM |
| 26 | Canister Purge VSV | VSV/Circuit, ECM |
| 27 | Canister Purge VSV | VSV/Circuit, ECM |
| 32 | EGR System | EGR Valve, Backpressure Transducer, VSV |
| 33 | Fuel Injector Circuit (Open or Grounded) | Wiring, Dropping Resistor, ECM |
| 34 | MAP Sensor | Sensor/Circuit, ECM |
| 35 | Power Transistor (Open) | Transistor/Circuit, ECM |
| 41 | Crankshaft Position Sensor | Sensor/Circuit, ECM |
| 43 | TV Switch (Idle Position) | Switch/Circuit, ECM |
| 44 | Oxygen Sensor (Lean/Rich) | Injectors, Fuel Pressure, MAF Sensor, O2 Sensor Ckt Coolant Temp. Sensor, ECM |
| 45 | Oxygen Sensor (Lean/Rich) | Injectors, Fuel Pressure, MAF Sensor, O2 Sensor Ckt Coolant Temp. Sensor, ECM |
| 51 | Faulty ECM ROM | Defective ECM |
| 52 | Faulty ECM RAM | Defective ECM |
| 53 | Pressure Regulator VSV | VSV/Circuit, ECM |
| 54 | Power Transistor (Grounded) | Transistor/Circuit, ECM |
| 61 | Airflow Sensor | Sensor/Circuit, ECM |
| 62 | Airflow Sensor | Sensor/Circuit, ECM |
| 63 | Vehicle Speed Sensor | Sensor/Circuit, ECM |
| 64 | Injector Ckt (ECM Transistor) | Wiring Harness, ECM |
| 65 | TV Switch (Full Throttle) | Switch/Circuit, ECM |