Buick specific DTC OBD2 code: P1646 Driver 1 Line 6
Buick specific DTC OBD2 code: P1665 Driver 3 Line 5
Buick specific DTC OBD2 code: P1631 Theft Deterrent Start Enable Signal Not Correct
Buick specific DTC OBD2 code: P1647 Driver 1 Line 7
Buick specific DTC OBD2 code: P1666 Driver 3 Line 6
Buick specific DTC OBD2 code: P1632 Theft Deterrent System-Fuel Disabled
Buick specific DTC OBD2 code: P1650 Driver 2-Input High Voltage
Buick specific DTC OBD2 code: P1667 Reverse Inhibit Solenoid Control Circuit
Buick specific DTC OBD2 code: P1633 Ignition Supply Power Circuit Low Voltage
Buick specific DTC OBD2 code: P1651 Fan 1 Relay Control Circuit