Pontiac specific DTC OBD2 code: P1674 Tachometer Control Circuit
Pontiac specific DTC OBD2 code: P1675 EVAP Vent Solenoid Control Circuit
Pontiac specific DTC OBD2 code: P1676 Driver 4 Line 6
Pontiac specific DTC OBD2 code: P1677 Driver 4 Line 7
Pontiac specific DTC OBD2 code: P1680 Driver 5
Pontiac specific DTC OBD2 code: P1681 Driver 5 Line 1
Pontiac specific DTC OBD2 code: P1682 Driver 5 Line 2
Pontiac specific DTC OBD2 code: P1683 Driver 5 Line 3
Pontiac specific DTC OBD2 code: P1684 Driver 5 Line 4
Pontiac specific DTC OBD2 code: P1685 Driver 5 Line 5