C0585

Brake Booster Motor B Phase U-V-W Circuit High

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

Increased brake pedal force
The brake system fault indicator is on
Reduced braking performance

Causes

Broken or damaged wiring harness
Brake booster motor malfunction
Poor contact in connectors
Problem with the electronic control unit (ECU)

How to Fix

Check the wiring harness for breaks or damage
Check connections and connectors for corrosion or poor contact
Test the brake booster motor
If necessary, replace faulty components

Related codes

C0580 C0586 C0587