Diagnostic Codes
DIAGNOSTIC CODES
| Code | Description |
|---|---|
| Code 12 | System check. No problem indicated. |
| Code 13 | Oxygen (O2) sensor circuit is open causing lean fuel condition. |
| Code 14 | Coolant temperature sensor (CTS) circuit is open. |
| Code 15 | Coolant temperature sensor (CTS) circuit is shorted. |
| Code 21 | Throttle position sensor (TPS) circuit is open. |
| Code 22 | Throttle position sensor (TPS) circuit is shorted. |
| Code 23 | Intake air temperature sensor circuit is open. |
| Code 25 | Intake air temperature sensor circuit is shorted. |
| Code 31 | Turbocharger boost pressure too high. |
| Code 33 | Airflow meter circuit open or shorted. |
| Code 41 | Ignition signal to ECM interrupted. |
| Light "ON" Not Flashing | ECM failure. |