GMC specific DTC OBD2 code: P1451 Barometric Pressure Sensor Performance
GMC specific DTC OBD2 code: P1517 Throttle Actuator Control (TAC) Module Performance
GMC specific DTC OBD2 code: P1533 A/C Evaporator Temperature Sensor Circuit High Voltage
GMC specific DTC OBD2 code: P1408 Intake Manifold Pressure Sensor Circuit
GMC specific DTC OBD2 code: P1460 Cooling Fan Control System
GMC specific DTC OBD2 code: P1518 Throttle Actuator Control (TAC) Module Serial Data Circuit
GMC specific DTC OBD2 code: P1534 A/C High Side Temperature Sensor Low Voltage
GMC specific DTC OBD2 code: P1409 EGR Vacuum System Leak
GMC specific DTC OBD2 code: P1480 Cooling Fan 1 Control Circuit High
GMC specific DTC OBD2 code: P1519 Electronic Throttle Module Low Volts Communication Disable