GMC specific DTC OBD2 code: P1842 1-2 Shift Solenoid Circuit Low Voltage
GMC specific DTC OBD2 code: P1837 Kick-Down Switch Failed Short
GMC specific DTC OBD2 code: P1836 Kick-Down Switch Failed Open
GMC specific DTC OBD2 code: P1835 Kick-Down Switch
GMC specific DTC OBD2 code: P1833 A/T Solenoids Power Circuit Low Voltage
GMC specific DTC OBD2 code: P1831 PC Solenoid Power Circuit Low Voltage
GMC specific DTC OBD2 code: P1826 Internal Mode Switch Circuit C High
GMC specific DTC OBD2 code: P1825 Internal Mode Switch Illegal Range
GMC specific DTC OBD2 code: P1823 Internal Mode Switch Circuit P Low
GMC specific DTC OBD2 code: P1822 Internal Mode Switch Circuit B High