C057A

Brake Booster Temperature Sensor B Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Check Engine Light Is On
Reduced braking performance
Unusual behavior of the braking system (for example, delayed response)

Causes

Brake booster temperature sensor malfunction
Open or short circuit in wiring harness
Problems with the vacuum brake booster
Malfunction of the brake control unit (ECU)

How to Fix

Check the brake booster temperature sensor for damage.
Check the wiring harness and connectors for opens and short circuits
Replace sensor if necessary
Check the operation of the brake booster

Related codes

C0575 C0579 P0571