Trouble Code Definition
ECM/PCM TROUBLE CODE DEFINITION
| Code No. | Circuit Affected | |||
|---|---|---|---|---|
| 12 (1) | No RPM Reference Pulse | |||
| 13 | ||||
| Single O2 Sensor | Oxygen Sensor Circuit Open | |||
| Dual O2 Sensors | Left Oxygen Sensor Circuit Open | |||
| 14 | Coolant Temperature Sensor Signal Voltage Low | |||
| 15 | Coolant Temperature Sensor Signal Voltage High | |||
| 19 | Intermittent 7X Signal | |||
| 21 | TPS Signal Voltage High | |||
| 22 | TPS Signal Voltage Low | |||
| 23 | MAT Sensor Signal Voltage High | |||
| 24 | Vehicle Speed Sensor | |||
| 25 | MAT Sensor Signal Voltage Low | |||
| 26 | Quad-Driver Error | |||
| 27 Or 28 | Quad-Driver Error | |||
| 32 | EGR System Error | |||
| 33 | MAP Sensor Signal Voltage High | |||
| 34 | MAP Sensor Signal Voltage Low | |||
| 35 | IAC Idle Speed Error | |||
| 43 | ESC (Knock Sensor) Error | |||
| 44 | ||||
| Single O2 Sensor | Lean Exhaust Indication | |||
| Dual O2 Sensors | Left Lean Exhaust Indication | |||
| 45 | ||||
| Single O2 Sensor | Rich Exhaust Indication | |||
| Dual O2 Sensors | Left Rich Exhaust Indication | |||
| 51 | Faulty PROM, MEM-CAL Or ECM/PCM | |||
| 52 | Faulty/Missing CAL-PAC Or MEM-CAL | |||
| 53 | System Overvoltage | |||
| 55 | ECM/PCM Error Fuel Lean Monitor | |||
| 58 | Transmission Fluid Temp. High | |||
| 59 | Transmission Fluid Temp. Low | |||
| 63 | Right Oxygen Sensor Circuit Open (Dual-Sensor Models) | |||
| 64 | Right Oxygen Sensor Lean (Dual-Sensor Models) | |||
| 66 | A/C Pressure Sensor | |||
| 67 | A/C Pressure Sensor | |||
|
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NOTE:
Use trouble code charts only if SERVICE ENGINE SOON light is illuminated (indicating a current problem exists).