Air Suspension Compressor Relay
The air suspension control module has detected a fault in the compressor relay circuit. The compressor cannot be energized which prevents the system from refilling the air struts and ride height drops over time.
Affected components
- Compressor relay
- Air compressor
- Air suspension module
Common causes
- High likelihood: Compressor relay failed
- Medium likelihood: Relay wiring or fuse fault
- Low likelihood: Internal module fault
Possible symptoms
- ABS warning light on
- ESC/stability control deactivated
- Possible reduced brake assist
- Speedometer may behave erratically
Sources
Diagnostic information is provided for reference only. Confirm the code with a compatible scan tool and follow the vehicle manufacturer's service procedures before replacing components.