ECM Trouble Code Reference
| Code | Fault |
| 12 | None |
| 13 | Oxygen Sensor Circuit Open/Ground |
| 14 | High Coolant Temperature (relative to other measurements) |
| 15 | Low Coolant Temperature (relative to other measurements) |
| 21 | Throttle Position Sensor Signal Voltage High |
| 22 | Throttle Position Sensor Signal Voltage Low |
| 23 | Manifold Air Temperature Low (relative) |
| 24 | Vehicle Speed Sensor |
| 25 | Manifold Air Temperature High (relative) |
| 31 | Turbo Wastegate Overboost |
| 32 | Exhaust Gas Recirculation Circuit |
| 33 | Manifold Absolute Pressure Sensor (High voltage / Low vacuum) |
| 34 | Manifold Absolute Pressure Sensor (Low voltage / High vacuum) |
| 41 | Cam Signal Circuit (Hall Effect Sensor) |
| 43 | Electronic Spark Control (Knock Sensor Circuit) |
| 44 | Oxygen Sensor Circuit (Lean Exhaust) |
| 45 | Oxygen Sensor Circuit (Rich Exhaust) |