Chevrolet specific DTC OBD2 code: P1540 A/C System High Pressure
Chevrolet specific DTC OBD2 code: P1541 A/C High Side Over Temperature
Chevrolet specific DTC OBD2 code: P1542 A/C System High Pressure High Temperature
Chevrolet specific DTC OBD2 code: P1543 A/C System Performance
Chevrolet specific DTC OBD2 code: P1544 A/C Refrigerant Condition Very Low
Chevrolet specific DTC OBD2 code: P1545 A/C Clutch Relay Control Circuit
Chevrolet specific DTC OBD2 code: P1546 Air Conditioning (A/C) Clutch Feedback Circuit Low Voltage
Chevrolet specific DTC OBD2 code: P1547 A/C System Performance Degraded
Chevrolet specific DTC OBD2 code: P1548 A/C Recirculation Circuit
Chevrolet specific DTC OBD2 code: P1554 Cruise Engaged Circuit High Voltage