Pontiac specific DTC OBD2 code: P1845 Transmission Gear Ratio Output Circuit
Pontiac specific DTC OBD2 code: P1689 Delivered Torque Circuit Fault
Pontiac specific DTC OBD2 code: P1790 Transmission Control Module Checksum
Pontiac specific DTC OBD2 code: P1818 TFP Valve Position Switch-Drive Without Drive Ratio
Pontiac specific DTC OBD2 code: P1847 2-3 Shift Solenoid Circuit High Voltage
Pontiac specific DTC OBD2 code: P1690 ECM Loop Overrun
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