Pontiac specific DTC OBD2 code: P1674 Tachometer Control Circuit
Pontiac specific DTC OBD2 code: P1673 Engine Hot Lamp Control Circuit
Pontiac specific DTC OBD2 code: P1672 Low Engine Oil Level Lamp Control Circuit
Pontiac specific DTC OBD2 code: P1671 Driver 4 Line 1
Pontiac specific DTC OBD2 code: P1670 Driver 4
Pontiac specific DTC OBD2 code: P1669 ABS Unit Expected
Pontiac specific DTC OBD2 code: P1667 Reverse Inhibit Solenoid Control Circuit
Pontiac specific DTC OBD2 code: P1666 Driver 3 Line 6
Pontiac specific DTC OBD2 code: P1665 Driver 3 Line 5
Pontiac specific DTC OBD2 code: P1664 1-4 Upshift Lamp Control Circuit