OBD Guide
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P057A

Brake Pedal Position Sensor A Circuit/Open

P057A is an OBD-II diagnostic trouble code meaning: Brake Pedal Position Sensor A Circuit/Open. Common causes: open brake pedal position sensor circuit, malfunction of the brake pedal position sensor. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Incorrect operation of cruise control
  • Problems with the emergency braking system
  • Check Engine light comes on

Causes

  • Open brake pedal position sensor circuit
  • Malfunction of the brake pedal position sensor
  • Contact corrosion
  • Wiring harness damage

How to Fix

  1. Check the integrity of the wiring harness
  2. Check sensor resistance and voltage
  3. Replace sensor if necessary
  4. Clean contacts from corrosion

Related codes

P057BP057CP057D

Error P057A by Vehicle Brand

AcuraAudiBAICBMWBYDBuickCadillacChanganCheryChevroletChryslerCitroenDodgeDongfengExeedFAWFordForthingFotonGACGMGMCGeelyGreat WallHavalHondaHongqiHyundaiInfinitiJACJaecooJaguarJeepJetourKaiyiKiaLadaLexusLi AutoLifanLincolnLivanMazdaMercedes-BenzMercuryMitsubishiNIONissanOldsmobileOmodaOpelPeugeotPlymouthPontiacRenaultSWMSaturnSkodaSkywellSubaruSuzukiTankToyotaVolkswagenVolvoVoyahXPengZeekrZotye

FAQ

What does the P057A code mean?

P057A is an OBD-II diagnostic trouble code that indicates: Brake Pedal Position Sensor A Circuit/Open

What causes a P057A error code?

The most common causes of P057A include: Open brake pedal position sensor circuit; Malfunction of the brake pedal position sensor; Contact corrosion; Wiring harness damage.

How do I fix a P057A diagnostic trouble code?

To fix P057A: Check the integrity of the wiring harness. Check sensor resistance and voltage. Replace sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P057A?

Limited driving only, diagnose soon

How much does it cost to fix P057A?

The estimated repair cost for P057A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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