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DTC codes / GM diagnostic trouble codes

GM diagnostic trouble codes

Codes GM defines for its own vehicles. Other makes use the same numbers for different faults, so check that the code was read from a GM vehicle.

P1666 GM: Driver 3 Line 6 Powertrain P1667 GM: Reverse Inhibit Solenoid Control Circuit Powertrain P1669 GM: ABS Unit Expected Powertrain P1670 GM: Driver 4 Powertrain P1671 GM: MIL Circuit Fault Powertrain P1672 GM: Low Engine Oil Level Lamp Control Circuit Powertrain P1673 GM: Engine Hot Lamp Control Circuit Powertrain P1674 GM: Tachometer Control Circuit Powertrain P1675 GM: EVAP Vent Solenoid Control Circuit Powertrain P1676 GM: PCM Fault / EVAP Canister Vent Valve Powertrain P1677 GM: Driver 4 Line 7 Powertrain P1678 GM: FPTDR Signal Line Failure Powertrain P1679 GM: Drive by Wire MIL Circuit Open Powertrain P1680 GM: Driver 5 Powertrain P1681 GM: Driver 5 Line 1 Powertrain P1682 GM: Ignition 1 Switch Circuit 2 Powertrain P1683 GM: Driver 5 Line 3 Powertrain P1684 GM: Driver 5 Line 4 Powertrain P1685 GM: Driver 5 Line 5 Powertrain P1686 GM: Driver 5 Line 6 Powertrain P1687 GM: Driver 5 Line 7 Powertrain P1688 GM: Internal Fuel Injection Pump Controller Failure Powertrain P1689 GM: Delivered Torque Circuit Fault Powertrain P1690 GM: PCM Loop Overrun / Wastegate Solenoid Circuit Powertrain P1691 GM: Coolant Gauge Circuit Voltage Low Powertrain P1692 GM: Coolant Gauge Circuit Voltage High Powertrain P1693 GM: Tachometer Circuit Voltage Low Powertrain P1694 GM: Tachometer Circuit Voltage High Powertrain P1695 GM: Remote Keyless Entry Circuit Powertrain P1696 GM: Remote Keyless Entry Voltage High Powertrain P1697 GM: PCM Failure SRI Mile Not Stored Powertrain P1698 GM: No CCD Messages Received From PCM Powertrain P1699 GM: No CCD J1850 Messages Received From The Climate Control Module CCM Powertrain P1700 GM: Transmission Indeterminate Failure Powertrain P1701 GM: MIL Request Circuit - Transmission Powertrain P1705 GM: P/N Signal Output Circuit Powertrain P1719 GM: Skip Shift Solenoid Circuit Open Or Shorted Powertrain P1740 GM: Torque Control/Management Request Circuit Powertrain P1743 GM: TP Signal From ECM Powertrain P1756 GM: Governor Pressure Not Equal To Target At 15-20 PSI Powertrain P1757 GM: Governor Pressure Above 3 PSI When Request Is 0 PSI Powertrain P1760 GM: TCM Supply Voltage Interrupted Powertrain P1762 GM: Governor Pressure Sensor Offset Improper Voltage Powertrain P1763 GM: Governor Pressure Sensor Voltage Too High Powertrain P1764 GM: Governor Pressure Sensor Voltage Too Low Powertrain P1765 GM: Trans 12 Volt Supply Relay Control Circuit Open Or Shorted Powertrain P1779 GM: Engine Torque Delivered To TCM Signal Powertrain P1780 GM: Park/Neutral Position Switch Circuit Powertrain P1790 GM: Transmission Control Module Checksum Powertrain P1791 GM: Transmission Control Module Loop Powertrain P1792 GM: Transmission Control Module Reprogrammable Memory Powertrain P1793 GM: Transmission Control Module Stack Overrun Powertrain P1795 GM: CAN Bus Throttle Body Position Powertrain P1800 GM: TCM Power Control Relay Circuit Open Powertrain P1801 GM: Performance Selector Switch Failure Powertrain P1804 GM: Ground Control Relay Powertrain P1810 GM: ATF Pressure Manual Valve Position Switch Malfunction Powertrain P1811 GM: Long Shift / Maximum Adaptation Limit Reached Powertrain P1812 GM: Transmission Over Temperature Condition Powertrain P1813 GM: Torque Control Powertrain
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