GMC specific DTC OBD2 code: P1315 Ignition Coil 4 Primary Feedback Circuit
GMC specific DTC OBD2 code: P1200 Injector Control Circuit
GMC specific DTC OBD2 code: P1228 Injector Circuit Cylinder 3 Intermittent
GMC specific DTC OBD2 code: P1275 Accelerator Pedal Position (APP) Sensor 1 Circuit
GMC specific DTC OBD2 code: P1320 IC Module 4X Ref Circuit Intermittent, No Pulses
GMC specific DTC OBD2 code: P1201 (Alternative Fuel) Gas Mass Sensor Circuit Range/Performance
GMC specific DTC OBD2 code: P1231 Injector Circuit Cylinder 4 Intermittent
GMC specific DTC OBD2 code: P1276 Accelerator Pedal Position (APP) Sensor 1 Performance
GMC specific DTC OBD2 code: P1321 Electronic Ignition System Fault Line
GMC specific DTC OBD2 code: P1202 (AlternativeFuel) Gas Mass Sensor Circuit Low Frequency