C0317
Compressor Relay Circuit
The air suspension control module has detected a circuit fault on the compressor relay output — typically open circuit, short to ground or short to power. Self-levelling is disabled and the vehicle may sit lower than normal.
The air suspension control module has detected a circuit fault on the compressor relay output — typically open circuit, short to ground or short to power. Self-levelling is disabled and the vehicle may sit lower than normal.
Common causes
- high
Compressor relay failed (stuck or open)
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-770
- medium
Compressor motor shorted, dragging supply down
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-770
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First things to check
- 1Confirm the code with a scan tool and check for additional related codes.
- 2Inspect the relevant sensors, wiring, and connectors for damage or corrosion.
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Related codes
See related trouble codes
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Frequently asked questions
What does C0317 mean?
C0317 means "Compressor Relay Circuit". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0317?
compressor relay failed (stuck or open); compressor motor shorted, dragging supply down; relay wiring or connector fault — these are the most commonly reported causes. Verify with a proper diagnosis before replacing parts, or use the Wrenchify app for a vehicle-specific diagnosis.
Can I keep driving with this code?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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