General Motors GM specific DTC OBD2 code: P1817 TFP Valve Position Switch-Reverse With Drive Ratio
General Motors GM specific DTC OBD2 code: P1845 Transmission Gear Ratio Output Circuit
General Motors GM specific DTC OBD2 code: P1887 TCC Release Switch Circuit
General Motors GM specific DTC OBD2 code: P1818 TFP Valve Position Switch-Drive Without Drive Ratio
General Motors GM specific DTC OBD2 code: P1847 2-3 Shift Solenoid Circuit High Voltage
General Motors GM specific DTC OBD2 code: P1890 ECM Data Input Circuit
General Motors GM specific DTC OBD2 code: P1819 Internal Mode Swtich No Start, Wrong Range
General Motors GM specific DTC OBD2 code: P1850 Brake Band Apply Solenoid Circuit
General Motors GM specific DTC OBD2 code: P1891 Throttle Position Sensor PWM Signal Low
General Motors GM specific DTC OBD2 code: P1820 Internal Mode Switch Circuit A Low