P1546 GMC – A/C Clutch Status Circuit Low Voltage

P1543 GMC – A/C System Performance

P1544 GMC – A/C Refrigerant Condition Very Low

P1542 GMC – A/C System High Pressure High Temperature

P1539 GMC – A/C Clutch Status Circuit High Voltage

P1541 GMC – A/C High Side Over Temperature

P1538 GMC – A/C Request Circuit High Voltage

P1536 GMC – Engine Coolant Overtemperature – Air Conditioning (A/C) Disabled

P1537 GMC – A/C Request Circuit Low Voltage

P1534 GMC – A/C High Side Temp. Sensor Low Voltage

P1535 GMC – A/C High Side Temperature Sensor Circuit

P1532 GMC – A/C Evaporator Temp. Sens. Ckt. Low Voltage

P1533 GMC – A/C Evaporator Temp. Sens. Ckt. High Voltage

P1531 GMC – A/C Low Side Temperature Sensor Fault

P1528 GMC – Governor

P1530 GMC – Throttle Actuator Control (TAC) Module Internal Circuit

P1527 GMC – Transmission Range to Pressure Switch Correlation

P1525 GMC – Throttle Body ServiceRequired

P1526 GMC – Minimum Throttle Position Not Learned

P1524 GMC – Throttle Closed Position Performance