U0135
Lost Communication with Parking Brake Control Module
The vehicle network has lost the electric parking brake (EPB) controller. Auto-hold is disabled, the EPB warning lamp comes on. EPB cannot be released electrically.
The vehicle network has lost the electric parking brake (EPB) controller. Auto-hold is disabled, the EPB warning lamp comes on. EPB cannot be released electrically.
Common causes
- high
EPB module unpowered
One of the most commonly reported causes for this code — check this first.
Typical part cost: $90-1650
- medium
CAN wiring to EPB damaged
A plausible cause — test and verify before replacing parts.
Typical part cost: $90-1650
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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 U0135 mean?
U0135 means "Lost Communication with Parking Brake Control Module". It is a generic OBD-II code that points to a fault in the network / communication.
What are the most common causes of U0135?
epb module unpowered; can wiring to epb damaged; gateway module routing can messages incorrectly — 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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