GMC specific DTC OBD2 code: P1565 Cruise Servo Position Sensor
GMC specific DTC OBD2 code: P1581 Cruise Move Circuit High Voltage
GMC specific DTC OBD2 code: P1543 A/C System Performance
GMC specific DTC OBD2 code: P1566 Cruise Control System-Engine RPM Too High
GMC specific DTC OBD2 code: P1582 Cruise Direction Circuit Low Voltage
GMC specific DTC OBD2 code: P1544 A/C Refrigerant Condition Very Low
GMC specific DTC OBD2 code: P1567 Cruise Control System-Active Braking Control Active
GMC specific DTC OBD2 code: P1583 Cruise Direction Circuit High Volume
GMC specific DTC OBD2 code: P1545 A/C Clutch Relay Control Circuit
GMC specific DTC OBD2 code: P1568 Cruise Servo Stroke Greater Than Commanded In Cruise