Buick specific DTC OBD2 code: P1693 Tachometer Circuit Low Voltage
Buick specific DTC OBD2 code: P1692 Coolant Gage Circuit High Voltage
Buick specific DTC OBD2 code: P1691 Coolant Gage Circuit Low Voltage
Buick specific DTC OBD2 code: P1690 ECM Loop Overrun
Buick specific DTC OBD2 code: P1689 Delivered Torque Circuit Fault
Buick specific DTC OBD2 code: P1687 Driver 5 Line 7
Buick specific DTC OBD2 code: P1686 Driver 5 Line 6
Buick specific DTC OBD2 code: P1685 Driver 5 Line 5
Buick specific DTC OBD2 code: P1684 Driver 5 Line 4
Buick specific DTC OBD2 code: P1683 Driver 5 Line 3