| Engine Code | Engine Code Description |
|---|---|
| P1873 | TCC Stator Temp. Switch Circuit Low |
| P1874 | TCC Stator Temp. Switch Circuit High |
| P1875 | 4WD Low Switch Circuit |
| P1884 | TCC Enable/Shift Light Circuit |
| P1886 | Shift Timing Solenoid |
| P1887 | TCC Release Switch Circuit |
| P1890 | ECM Data Input Circuit |
| P1891 | Throttle Position Sensor PWM Signal Low |
| P1892 | Throttle Position Sensor PWM Signal High |
| P1893 | Engine Torque Signal Low Voltage |
| P1894 | Engine Torque Signal High Voltage |
| P1895 | TCM To ECM Torque Reduction Circuit |