OBD Guide

C057C

Brake Booster Temperature Sensor B CircuitRange/Performance

C057C is an OBD-II diagnostic trouble code meaning: Brake Booster Temperature Sensor B CircuitRange/Performance. Common causes: faulty brake booster temperature sensor b, open or short circuit in wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Check Engine light comes on
  • Reduced braking performance
  • Unusual behavior of the brake pedal

Causes

  • Faulty brake booster temperature sensor B
  • Open or short circuit in wiring harness
  • Poor contact in sensor connectors
  • Problems with the brake system control unit

How to Fix

  1. Check the integrity of the wiring harness and sensor connectors
  2. Check the resistance of the brake booster temperature sensor B
  3. Replace the temperature sensor if it is faulty
  4. Check and, if necessary, replace the brake system control unit

Related codes

Error C057C by Vehicle Brand

FAQ

What does the C057C code mean?

C057C is an OBD-II diagnostic trouble code that indicates: Brake Booster Temperature Sensor B CircuitRange/Performance

What causes a C057C error code?

The most common causes of C057C include: Faulty brake booster temperature sensor B; Open or short circuit in wiring harness; Poor contact in sensor connectors; Problems with the brake system control unit.

How do I fix a C057C diagnostic trouble code?

To fix C057C: Check the integrity of the wiring harness and sensor connectors. Check the resistance of the brake booster temperature sensor B. Replace the temperature sensor if it is faulty. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C057C?

Limited driving only, diagnose soon

How much does it cost to fix C057C?

The estimated repair cost for C057C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat