DTC C1A27-13: Compressor Circuit - Circuit open: Action
- Refer to the applicable SYSTEM WIRING DIAGRAMS and check the integrity of the air suspension relay/air suspension air supply unit supply fusible link and the integrated suspension control module supply fusible link in the battery junction box. Repair or replace as required, clear DTC and retest
- If fault persists, refer to the applicable SYSTEM WIRING DIAGRAMS and check the air suspension air supply unit power supply circuit for open circuit, high resistance. Repair circuit 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 and install a new integrated suspension control module as required. Clear DTC and retest