C0582

Brake Booster Motor A Phase U-V-W Circuit Range/Performance

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$111–333 (est.)

Symptoms

Reduced braking performance
Hard brake pedal
Brake system fault indication on the instrument panel

Causes

Brake booster motor malfunction
Open or short circuit in the wiring harness of phases U-V-W
Problems with the brake system control unit
Corrosion or poor contact in connectors

How to Fix

Conduct diagnostics of the motor power supply circuit (phases U-V-W)
Check the resistance of the motor windings
Inspect the wiring harness for damage
Replace faulty components (engine, ECU if necessary)

Related codes

C0580 C0581 C0583