Buick specific DTC OBD2 code: P1658 Starter Enable Relay Control Circuit
Buick specific DTC OBD2 code: P1676 Driver 4 Line 6
Buick specific DTC OBD2 code: P1625 PCM System Reset
Buick specific DTC OBD2 code: P1641 FC Relay 1 Control Circuit
Buick specific DTC OBD2 code: P1660 Cooling Fans Control Circuit
Buick specific DTC OBD2 code: P1677 Driver 4 Line 7
Buick specific DTC OBD2 code: P1626 Theft Deterrent Fuel Enable Signal Lost
Buick specific DTC OBD2 code: P1642 FC Relay 2 And 3 Control Circuit
Buick specific DTC OBD2 code: P1661 MIL Control Circuit
Buick specific DTC OBD2 code: P1680 Driver 5