DTC C1A27-11: Compressor Circuit - Circuit short to ground: Action
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check the air suspension air supply unit power circuits for short circuit to ground. Check integrity of air suspension air supply unit motor connections. Repair circuit(s) as required, clear DTC and retest
- If fault persists, check and install a new air suspension relay as required. Clear DTC and retest
- If fault persists, check the operation of the air suspension air supply unit. Repair or replace as required, clear DTC and retest
- If fault persists, check and install a new integrated suspension control module as required. Clear DTC and retest