GMC specific DTC OBD2 code: P1219 Throttle Position Sensor Refernce Voltage
GMC specific DTC OBD2 code: P1218 Injection Pump Calibration Circuit
GMC specific DTC OBD2 code: P1217 Fuel Solenoid Response Time Too Long
GMC specific DTC OBD2 code: P1216 Fuel Solenoid Response Time Too Short
GMC specific DTC OBD2 code: P1215 Ground Fault Detection Indicated
GMC specific DTC OBD2 code: P1214 Injection Pump Timing Offset
GMC specific DTC OBD2 code: P1212 Mass Air Flow Circuit Intermittent Low
GMC specific DTC OBD2 code: P1211 Mass Air Flow Circuit Intermittent High
GMC specific DTC OBD2 code: P1203 (Alternative Fuel) Gas Mass Sensor Circuit High Frequency
GMC specific DTC OBD2 code: P1202 (AlternativeFuel) Gas Mass Sensor Circuit Low Frequency