C057F
Brake Booster Motor A Phase U-V-W Circuit/Open
C057F is an OBD-II diagnostic trouble code meaning: Brake Booster Motor A Phase U-V-W Circuit/Open. Common causes: open circuit of phase u, v or w, wiring harness fault. Estimated repair cost: $111–333.
Symptoms
- Increased brake pedal force
- The brake system fault indicator is on
- Reduced braking performance
Causes
- Open circuit of phase U, V or W
- Wiring harness fault
- Problems with the brake booster motor
- Malfunction of the brake booster control unit
How to Fix
- Check the integrity of the wiring harness
- Check the resistance of the motor windings
- Check connections and contacts in the circuit
- If necessary, replace the electric motor or control unit
Related codes
Error C057F by Vehicle Brand
FAQ
What does the C057F code mean?
C057F is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor A Phase U-V-W Circuit/Open
What causes a C057F error code?
The most common causes of C057F include: Open circuit of phase U, V or W; Wiring harness fault; Problems with the brake booster motor; Malfunction of the brake booster control unit.
How do I fix a C057F diagnostic trouble code?
To fix C057F: Check the integrity of the wiring harness. Check the resistance of the motor windings. Check connections and contacts in the circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with C057F?
Limited driving only, diagnose soon
How much does it cost to fix C057F?
The estimated repair cost for C057F is $111–333. Actual cost depends on your vehicle, location, and labor rates.
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