Trouble Code Identification Chart
TROUBLE CODE IDENTIFICATION CHART
| Code |
System Affected |
Probable Cause |
| 11 |
Crank Angle Sensor |
Loss of signal |
| 12 |
Mass Airflow Sensor |
MAF signal high or low |
| 13 |
Coolant Temp. Sensor |
Open/shorted circuit |
| 14 |
Vehicle Speed Sensor (VSS) |
No VSS signal |
| 21 |
No Ign. Ref. Pulse |
Loss of primary signal |
| 22 |
Fuel Pump |
Open/shorted circuit |
| 31 |
ECU |
Signals out of range |
| 32 |
EGR Sensor (Calif.) |
No EGR action |
| 33 |
O2 Sensor |
Open circuit or high O2 signal |
| 34 |
Knock Sensor |
Open/shorted circuit |
| 35 |
EGR Temp. Sensor (Calif) |
Open/shorted circuit |
| 43 |
Throttle Sensor |
Open/shorted circuit |
| 45 |
Injector Leak (Calif.) |
Leak at injector |
| 51 |
Injector |
Injector not working |
| 54 |
Auto. Trans. Signal |
Open signal from transmission control unit |
| 55 |
No Malfunction Recorded |
No Faults Detected |