GMC specific DTC OBD2 code: P1271 APP Sensor 1-2 Performance
GMC specific DTC OBD2 code: P1300 Ignitor Circuit
GMC specific DTC OBD2 code: P1221 Throttle Position (TP) Sensor 1- 2 Correlation
GMC specific DTC OBD2 code: P1272 Accelerator Pedal Position Sensor 2
GMC specific DTC OBD2 code: P1305 Ignition Coil 2 Primary Feedback Circuit
GMC specific DTC OBD2 code: P1222 Injector Control Circuit Intermittent
GMC specific DTC OBD2 code: P1273 Accelerator Pedal Position Sensor 1
GMC specific DTC OBD2 code: P1310 Ignition Coil 3 Primary Feedback Circuit
GMC specific DTC OBD2 code: P1225 Injector Circuit Cylinder 2 Intermittent
GMC specific DTC OBD2 code: P1274 Injectors Wired Incorrectly