Trouble Code Definition
TROUBLE CODE IDENTIFICATION
| Code |
System Affected |
Probable Cause |
| 12 |
System Normal |
System Normal |
| 13 |
Oxygen Sensor Circuit |
Sensor Or Circuit, ECM |
| 14 |
Water Temperature Sensor |
Sensor Or Circuit, ECM |
| 15 |
Water Temperature Sensor |
Sensor Or Circuit, ECM |
| 21 |
Throttle Position Sensor (A/T) |
Sensor Or Circuit, ECM |
| 22 |
Throttle Position Sensor (A/T) |
Sensor Or Circuit, ECM |
| 23 |
Air Temperature Sensor |
Sensor Or Circuit, ECM |
| 24 |
Speed Sensor |
Sensor Or Circuit, ECM |
| 25 |
Air Temperature Sensor |
Sensor Or Circuit, ECM |
| 31 |
Pressure Sensor |
Sensor Or Circuit, ECM |
| 32 |
Pressure Sensor |
Sensor Or Circuit, ECM |
| 41 |
Ignition Signal Circuit |
Ignition System, ECM |
| 42 |
Crank Angle Sensor |
Sensor Or Circuit, ECM |
| 51 |
EGR System |
ECM, EGR, Modulator, Wiring, EGR Temp. Sensor, Vacuum Switching Valve |