What this code means

Malfunction in the air suspension compressor motor circuit.

Symptoms

• Suspension warning light
• Vehicle sitting low
• Compressor not running
• Ride height not adjusting

Common causes

• Compressor motor failure
• Compressor relay fault
• Wiring damage
• Compressor thermal cutout tripped
• Blown fuse

Diagnostic steps

1. Check compressor relay and fuse
2. Test compressor motor by applying direct power
3. Listen for compressor operation
4. Check for compressor overheating
5. Inspect wiring and connector

Repair notes

Allow compressor to cool if overheated. Replace compressor if motor has failed. Check fuse and relay.

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