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P057E

Brake Pedal Position Sensor A Circuit Intermittent/Erratic

Generic OBD-II

Common symptoms

What you'll notice

Common causes

Most likely first

  1. Loose wiring or connection to brake pedal position sensor
  2. Faulty brake pedal position sensor
  3. Malfunctioning brake pedal position sensor circuit
  4. ECU (engine control unit) malfunction
  5. Other electrical or mechanical issues affecting the brake pedal position sensor circuit

How to diagnose & fix

Work through it in order

  1. Difficulty in starting the vehicle
  2. Irregular or inconsistent response from the brake pedal
  3. Loss of power while driving
  4. Unusual or erratic braking behavior
  5. Illumination of the ABS (Anti
  6. lock Braking System) or brake warning light

Read & clear P057E yourself

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