OBD Guide

C057D

Brake Booster Temperature Sensor Circuit B Intermittent/Erratic

C057D is an OBD-II diagnostic trouble code meaning: Brake Booster Temperature Sensor Circuit B Intermittent/Erratic. Common causes: open or short circuit in wiring harness, poor contact in sensor connectors. Estimated repair cost: $33–89.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • ESC/ABS warning light comes on
  • Reduced braking performance
  • Unstable behavior of the braking assistance system

Causes

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

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Measure the resistance and voltage in the sensor circuit
  3. Replace the brake booster temperature sensor if necessary
  4. Clean or replace damaged connectors

Related codes

Error C057D by Vehicle Brand

FAQ

What does the C057D code mean?

C057D is an OBD-II diagnostic trouble code that indicates: Brake Booster Temperature Sensor Circuit B Intermittent/Erratic

What causes a C057D error code?

The most common causes of C057D include: Open or short circuit in wiring harness; Poor contact in sensor connectors; Brake booster temperature sensor malfunction; Problems with the brake system control unit.

How do I fix a C057D diagnostic trouble code?

To fix C057D: Check the integrity of the wiring harness and connectors. Measure the resistance and voltage in the sensor circuit. Replace the brake booster temperature sensor if necessary. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C057D?

Limited driving only, diagnose soon

How much does it cost to fix C057D?

The estimated repair cost for C057D is $33–89. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat