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DTC codes / C06xx · Brakes, steering and suspension / C0614

C0614Right Park Brake Actuator Stuck On

C0614 indicates that the electronic control module responsible for the electric park brake has detected the right-side park brake actuator remaining engaged when it should have released. The module monitors actuator current and position feedback, and it sets this code when the actuator stays powered or physically stuck in the applied position beyond a calibrated time window.

SystemChassis
Code typeGeneric (all makes)
SeverityMedium
Fix difficultyIntermediate
AreaBrakes, steering and suspension

Symptoms you may notice

  • Park brake warning light illuminated on the dashboard
  • Right rear wheel may drag or feel hot after driving
  • Park brake may fail to release automatically when pulling away
  • Uneven braking or a pulling sensation toward the right side
  • Often no symptoms besides the warning light, especially if the actuator releases after a delay
  • Audible whirring or clicking from the right rear actuator that continues after the brake should be off

Common causes, most likely first

  1. Corroded or shorted wiring in the right park brake actuator circuit holding power to the motor
  2. Seized or binding park brake actuator mechanism on the right rear caliper
  3. Faulty right park brake actuator motor with internal short or damaged brushes
  4. Sticking park brake caliper piston or cable that prevents the actuator from returning
  5. Water intrusion into the actuator connector or control module causing a short
  6. Control module internal fault keeping the right actuator driver energized

How to diagnose and fix it

  1. Scan all modules for related park brake codes and record freeze-frame data before clearing anything
  2. Inspect the right rear actuator connector and wiring for corrosion, chafing, or signs of water entry
  3. Command the right park brake actuator on and off with a scan tool and watch current and position feedback
  4. Measure resistance and voltage at the actuator motor to confirm whether it is being held powered
  5. Remove the right rear wheel and check the caliper and park brake mechanism for binding or seizure
  6. Replace the right park brake actuator or caliper assembly if the motor or mechanism is confirmed faulty
  7. Clear codes and perform the park brake calibration or relearn procedure required by the manufacturer

What a stuck park brake actuator really means

  • A shorted wire in the right actuator circuit can keep the motor powered even with the park brake switched off, so always check for voltage at the actuator with the key off before condemning the motor.
  • A binding right rear caliper or cable can mimic a failed actuator, and replacing the actuator without freeing the mechanism will set the code again within a few drive cycles.
  • Some vehicles set C0614 when the actuator releases slowly due to cold weather or low battery voltage, so check the battery and charging system before replacing parts.
  • The code can be stored by a control module that has lost its calibration, so a relearn procedure may be the only fix after a battery replacement or module swap.
  • Water intrusion into the right rear actuator connector is a common missed cause, especially on vehicles that frequently drive through deep puddles or pressure washing.

Can I keep driving with C0614?

You can usually drive the vehicle to a repair shop, but avoid prolonged driving because a dragging right rear brake can overheat the wheel and damage the caliper. If you smell burning or feel the wheel dragging, stop and have the vehicle towed.

Guidance is general and written for all OBD-II vehicles. Exact tests and values vary by model, so confirm the fault before replacing parts.

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