OBD Guide

C057C

Brake Booster Temperature Sensor B CircuitRange/Performance

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