TROUBLE CODE DEFINITION
| DTC No. | Circuit Affected |
|---|
| 12 (1) | No RPM Reference Pulse |
| 14 | Coolant Temperature High |
| 15 | Coolant Temperature Low |
| 21 | Throttle Position Switch Voltage High |
| 22 | Throttle Position Switch Voltage Low |
| 24 | Output Speed Sensor Circuit |
| 28 | Pressure Switch Manifold Problem |
| 37 (2) | Brake Switch Stuck ON |
| 38 (2) | Brake Switch Stuck OFF |
| 39 | TCC Stuck OFF |
| 51 | Prom Error |
| 52 (2) | System Voltage Too High (To Long) |
| 53 | System Voltage Too High |
| 58 | Fluid Temperature High |
| 59 | Fluid Temperature Low |
| 63 (3) | Barometric Pressure Sensor Voltage High |
| 64 (3) | Barometric Pressure Sensor Voltage Low |
| 68 | Overdrive Ratio Error Problem |
| 69 (2) | TCC Stuck ON |
| 71 (3) | Camshaft Position Sensor Circuit |
| 72 (2) | Output Speed Signal Error |
| 73 | Force Motor Current Error |
| 74 (2) | Input Speed Sensor Circuit Error |
| 75 | System Voltage Too Low |
| 79 | Fluid Temperature High |
| 81 | Shift Solenoid "B" Circuit Error |
| 82 | Shift Solenoid "A" Circuit Error |
| 83 | TCC (PWM) Solenoid Circuit Error |
| 85 | Undefined Ratio Error |
| 86 | Low Ratio Error |
| 87 | High Ratio Error |
| (1) Display of a DTC 12 is normal when no reference pulses are received by control module (engine not running). (2) For 1994 diesel only. (3) For 1994 "G" and "P" series diesel only. |
| (1) | Display of a DTC 12 is normal when no reference pulses are received by control module (engine not running). |
| (3) | For 1994 "G" and "P" series diesel only. |
PCM/TCM TROUBLE CODE DEFINITION
Note. Only transmission-related trouble codes are listed. If other trouble codes are present, see appropriate article in ENGINE PERFORMANCE of appropriate manual.
