Pontiac specific DTC OBD2 code: P1791 Transmission Control Module Loop
Pontiac specific DTC OBD2 code: P1819 Internal Mode Swtich No Start, Wrong Range
Pontiac specific DTC OBD2 code: P1691 Coolant Gage Circuit Low Voltage
Pontiac specific DTC OBD2 code: P1792 Transmission Control Module Reprogrammable Memory
Pontiac specific DTC OBD2 code: P1820 Internal Mode Switch Circuit A Low
Pontiac specific DTC OBD2 code: P1692 Coolant Gage Circuit High Voltage
Pontiac specific DTC OBD2 code: P1793 Transmission control Module Stack Overrun
Pontiac specific DTC OBD2 code: P1822 Internal Mode Switch Circuit B High
Pontiac specific DTC OBD2 code: P1693 Tachometer Circuit Low Voltage
Pontiac specific DTC OBD2 code: P1795 CAN Bus-Throttle Body Position