ECM Trouble Code Id
ECM TROUBLE CODE IDENTIFICATION
| Code |
Circuit Affected |
| 12 |
No distributor reference to ECM |
| 13 |
Open oxygen sensor circuit. |
| 14 |
Coolant sensor circuit signal voltage low. |
| 15 |
Coolant sensor circuit signal voltage high. |
| 21 |
TPS signal voltage high. |
| 22 |
TPS signal voltage low. |
| 23 |
M/C Solenoid Signal Low. |
| 24 |
VSS circuit. |
| 24B |
Park/Neutral Switch. |
| 25 |
MAT sensor high. |
| 32 |
BARO Sensor Voltage Low. |
| 33 |
MAP sensor voltage too high. |
| 34 |
MAP sensor voltage too low. |
| 41 |
No distributor reference circuit. |
| 42 |
EST circuit. C(3)I ignition |
| 43 |
ESC retard signal too low. |
| 44 |
Lean oxygen sensor value. |
| 45 |
Rich oxygen sensor value. |
| 51 |
Faulty PROM, PROM installation or ECM. |
| 52 |
Faulty CALPAC |
| 53 |
EGR vacuum control (carb. models) |
| 54 |
M/C solenoid high (carb. models). |
| 55 |
Faulty ECM. |