GMC specific DTC OBD2 code: P1631 Theft Deterrent Start Enable Signal Not Correct
GMC specific DTC OBD2 code: P1647 Driver 1 Line 7
GMC specific DTC OBD2 code: P1614 Loss Of RIM Serial Data
GMC specific DTC OBD2 code: P1632 Theft Deterrent System-Fuel Disabled
GMC specific DTC OBD2 code: P1650 Driver 2-Input High Voltage
GMC specific DTC OBD2 code: P1615 Loss Of VTD Serial Data
GMC specific DTC OBD2 code: P1633 Ignition Supply Power Circuit Low Voltage
GMC specific DTC OBD2 code: P1651 Fan 1 Relay Control Circuit
GMC specific DTC OBD2 code: P1617 Engine Oil Level Switch Circuit
GMC specific DTC OBD2 code: P1634 Ignition 1 Power Circuit Low Voltage