C0579

Brake Booster Temperature Sensor B Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Check Engine Light Is On
Reduced braking performance
Unstable operation of the brake system

Causes

Broken or damaged wiring harness
Poor contact in the sensor connector
Brake booster temperature sensor malfunction
Problems with the brake ECU

How to Fix

Check the integrity of the wiring harness and connectors
Measure the resistance of the temperature sensor
Check the voltage in the sensor circuit
Replace temperature sensor if necessary
Update ECU firmware (if required)

Related codes

C0580 C0578 C0500