Oldsmobile specific DTC OBD2 code: P1820 Internal Mode Switch Circuit A Low
Oldsmobile specific DTC OBD2 code: P1822 Internal Mode Switch Circuit B High
Oldsmobile specific DTC OBD2 code: P1823 Internal Mode Switch Circuit P Low
Oldsmobile specific DTC OBD2 code: P1826 Internal Mode Switch Circuit C High
Oldsmobile specific DTC OBD2 code: P1831 PC Solenoid Power Circuit Low Voltage
Oldsmobile specific DTC OBD2 code: P1833 A/T Solenoids Power Circuit Low Voltage
Oldsmobile specific DTC OBD2 code: P1837 Kick-Down Switch Failed Short
Oldsmobile specific DTC OBD2 code: P1842 1-2 Shift Solenoid Circuit Low Voltage
Oldsmobile specific DTC OBD2 code: P1843 1-2 Shift Solenoid Circuit High Voltage
Oldsmobile specific DTC OBD2 code: P1844 Torque Reduction Signal Circuit Desired By TCM