DTC C1A27-14: Compressor Circuit - Circuit short to ground or open: Action
- Refer to the appropriate system wiring diagram and check the integrity of the air suspension relay/air suspension air supply unit supply fusible link and the suspension control module supply fusible link in the battery junction box. Repair or replace as required, clear the DTCs and retest
- If the fault persists, refer to the appropriate system wiring diagram and check the air suspension air supply unit power supply circuit for short circuit to ground, open circuit, high resistance. Repair circuit as required, clear the DTCs and retest
- If the fault persists, install a new air suspension relay. Clear the DTCs and retest
- If the fault persists, install a new suspension control module as required. Clear the DTCs and retest