GMC specific DTC OBD2 code: P1234 Injector Circuit Cylinder 5 Intermittent
GMC specific DTC OBD2 code: P1277 Accelerator Pedal Position Sensor 1 Circuit Low Voltage
GMC specific DTC OBD2 code: P1203 (Alternative Fuel) Gas Mass Sensor Circuit High Frequency
GMC specific DTC OBD2 code: P1237 Injector Circuit Cylinder 6 Intermittent
GMC specific DTC OBD2 code: P1278 Accelerator Pedal Position Sensor 1 Circuit High Voltage
GMC specific DTC OBD2 code: P1211 Mass Air Flow Circuit Intermittent High
GMC specific DTC OBD2 code: P1240 Injector Circuit Cyllinder 7 Intermittent
GMC specific DTC OBD2 code: P1280 Accelerator Pedal Position (APP) Sensor 2 Circuit
GMC specific DTC OBD2 code: P1212 Mass Air Flow Circuit Intermittent Low
GMC specific DTC OBD2 code: P1243 Injector Circuit Cylinder 8 Intermittent