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GMC Engine Codes

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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
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