GMC specific DTC OBD2 code: P1580 Cruise Move Circuit Low Voltage
GMC specific DTC OBD2 code: P1581 Cruise Move Circuit High Voltage
GMC specific DTC OBD2 code: P1582 Cruise Direction Circuit Low Voltage
GMC specific DTC OBD2 code: P1584 Cruise Control Disabled
GMC specific DTC OBD2 code: P1585 Cruise Inhibit Control Circuit
GMC specific DTC OBD2 code: P1586 Cruise Control Brake Switch 2 Circuit
GMC specific DTC OBD2 code: P1587 Cruise Control Clutch Control Circuit Low
GMC specific DTC OBD2 code: P1588 Cruise Control Clutch Control Circuit High
GMC specific DTC OBD2 code: P1599 Engine Stall Or Near Stall Detected
GMC specific DTC OBD2 code: P1600 PCM Battery