C001A
Left Rear Hydraulic Release Too Long
Hydraulic release on left rear wheel circuit took longer than expected.
Hydraulic release on left rear wheel circuit took longer than expected.
Common causes
- high
Outlet valve sluggish or hydraulic restriction
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 C001A mean?
C001A means "Left Rear Hydraulic Release Too Long". It is a generic OBD-II code that points to a fault in the chassis.
What are the most common causes of C001A?
outlet valve sluggish or hydraulic restriction — 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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