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C057F – BMW DTC

BMW DTC C057F – Brake Booster Motor ‘A’ Phase U-V-W Circuit/Open

DTC C057F meaning on BMW

DTC C057F on a BMW refers to an issue with the Brake Booster Motor ‘A’ Phase U-V-W Circuit/Open. This diagnostic trouble code indicates that there is a malfunction in the circuit or an open circuit related to the brake booster motor phase U, V, or W.

BMW DTC C057F symptoms

Symptoms of DTC C057F on a BMW may include:

  • ABS warning light illuminated on the dashboard
  • Loss of power assistance in the braking system
  • Brake pedal may feel stiff or hard to press

BMW DTC C057F causes

Common causes of DTC C057F on a BMW include:

  • Faulty brake booster motor
  • Wiring or connector issues in the brake booster motor circuit
  • Corrosion or poor connections in the circuit

BMW DTC C057F seriousness

DTC C057F should be taken seriously as it affects the operation of the brake booster motor, which is crucial for proper brake assistance. Driving with this fault can compromise the vehicle’s braking performance and safety.

How to diagnose DTC C057F on BMW

To diagnose DTC C057F on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes from the vehicle’s computer
  2. Inspect the wiring and connectors related to the brake booster motor for any visible damage or corrosion
  3. Test the brake booster motor for proper functionality

How to fix DTC C057F on BMW

To fix DTC C057F on a BMW, you may need to:

  1. Replace the faulty brake booster motor
  2. Repair or replace any damaged wiring or connectors in the circuit
  3. Clean or repair any corroded connections

How to erase DTC C057F on BMW

To erase DTC C057F on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes from the vehicle’s computer
  2. Ensure that the underlying issue causing the fault code has been resolved before clearing it

Recommended tools & DTC Scanners for BMW

Best Diagnostic App for modern BMWs: BimmerLink

Recommended Bluetooth adapter for Bimmerlink: OBDLink CX

Cable adapter for Bimmerlink: Enet Cable USB Type C

For older BMWs we recommend: Autel AutoLink AL319 (2024 version)

Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter

← All BMW Diagnostic Trouble Codes

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