Level Control Compressor Relay Malfunction
Table of contents
C0655 GMC Possible Causes
- Faulty Level Control Compressor Relay
- Level Control Compressor Relay harness is open or shorted
- Level Control Compressor Relay circuit poor electrical connection
How do I fix code C0655 GMC?
Check the “Possible Causes” listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector’s pins.
Cost of diagnosing the C0655 GMC code
The cost of diagnosing the C0655 GMC code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.
Possible Symptoms
- Anti-Lock Brake System (ABS) Warning Light ON
- Engine Light ON (or Service Engine Soon Warning Light)
C0655 GMC Description
The automatic level control adjusts the vehicle suspension ride height. The Rear Integration Module (RIM) determines the height of the vehicle based on the voltage from the automatic level control sensor. The RIM grounds the compressor relay and the exhaust control solenoid to raise and lower the vehicle in order to keep the vehicle level