GMC specific DTC OBD2 code: P1810 TFP Valve Position Switch Circuit
GMC specific DTC OBD2 code: P1804 Ground Control Relay
GMC specific DTC OBD2 code: P1801 Performance Selector Switch Failure
GMC specific DTC OBD2 code: P1800 TCM Power Control Relay Circuit Open
GMC specific DTC OBD2 code: P1795 CAN Bus-Throttle Body Position
GMC specific DTC OBD2 code: P1793 Transmission control Module Stack Overrun
GMC specific DTC OBD2 code: P1792 Transmission Control Module Reprogrammable Memory
GMC specific DTC OBD2 code: P1791 Transmission Control Module Loop
GMC specific DTC OBD2 code: P1790 Transmission Control Module Checksum
GMC specific DTC OBD2 code: P1780 Park/Neutral Postion (PNP) Switch Circuit Engine Torque Signal Circuit