P05E7
Park Brake Sensor/Switch Circuit Intermittent/Erratic
Generic OBD-II
Common symptoms
What you'll notice
- Check and clean the park brake sensor/switch connections
- Inspect and replace the park brake sensor/switch if necessary
- Check and repair any damaged wiring related to the park brake sensor/switch
- Clear the faults and check if they return
Common causes
Most likely first
- Loose or faulty park brake sensor/switch wiring connection
- Malfunctioning park brake sensor/switch
- Corrosion or damage in the park brake sensor/switch circuit
- Defective park brake control module
- Faulty park brake actuator or motor
How to diagnose & fix
Work through it in order
- Park brake warning light intermittently turns on and off without cause
- Park brake may engage or disengage unexpectedly while driving
- Difficulty or inability to engage or disengage the park brake
- Vehicle rolls or moves while park brake is engaged
- Inconsistent or erratic response when applying or releasing the park brake
Read & clear P05E7 yourself
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