Cadillac specific DTC OBD2 code: P1131 HO2S Circuit Low Variance Bank 1 Sensor 2
Cadillac specific DTC OBD2 code: P1132 H02S Circuit Low Variance Bank 2 Sensor 1
Buick specific DTC OBD2 code: P1853 Brake Band Apply Solenoid High Voltage
Buick specific DTC OBD2 code: P1860 TCC PWM Solenoid Circuit Electrical
Buick specific DTC OBD2 code: P1864 Torque Converter Clutch Circuit
Buick specific DTC OBD2 code: P1868 Transmission Fluid Life
Buick specific DTC OBD2 code: P1870 Transmission Component Slipping
Buick specific DTC OBD2 code: P1871 Undefined Gear Ratio
Buick specific DTC OBD2 code: P1873 TCC Stator Temp. Switch Circuit Low
Buick specific DTC OBD2 code: P1874 TCC Stator Temp. Switch Circuit High