C0631
Front Axle Disconnect Actuator
Generic fault on front axle disconnect actuator. The disconnect decouples the front axle from the drivetrain to save fuel in 2WD mode.
Generic fault on front axle disconnect actuator. The disconnect decouples the front axle from the drivetrain to save fuel in 2WD mode.
Common causes
- high
Actuator failed
One of the most commonly reported causes for this code — check this first.
Typical part cost: $440-2750
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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 C0631 mean?
C0631 means "Front Axle Disconnect Actuator". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C0631?
actuator failed — 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?
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly. Use the Wrenchify app for a full diagnosis specific to your vehicle.
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