Buick specific DTC OBD2 code: P1546 Air Conditioning (A/C) Clutch Feedback Circuit Low Voltage
Buick specific DTC OBD2 code: P1547 A/C System Performance Degraded
Buick specific DTC OBD2 code: P1548 A/C Recirculation Circuit
Buick specific DTC OBD2 code: P1554 Cruise Engaged Circuit High Voltage
Buick specific DTC OBD2 code: P1555 Electronic Variable Orifice Output
Buick specific DTC OBD2 code: P1558 Cruise Control Servo Indicates Low
Buick specific DTC OBD2 code: P1559 Cruise Control Power Mangement Mode
Buick specific DTC OBD2 code: P1560 Cruise Control System-Transaxle Not In Drive
Buick specific DTC OBD2 code: P1561 Cruise Vent Solenoid
Buick specific DTC OBD2 code: P1562 Cruise Vacuum Solenoid