What this code means

The air suspension compressor has exceeded its maximum operating temperature.

Symptoms

• Suspension warning light
• Compressor shuts off
• Vehicle sags after extended operation
• Compressor runs excessively before shutting off

Common causes

• Air leak causing compressor to run too long
• Compressor worn internally
• Blocked intake filter
• High ambient temperature combined with heavy load

Diagnostic steps

1. Check all air springs and lines for leaks using soapy water
2. Inspect compressor intake filter
3. Monitor compressor run time
4. Check for leak codes at individual air springs
5. Test compressor output volume

Repair notes

Find and repair air leaks first. Replace compressor if worn. Clean or replace intake filter.

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