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