C0583

Brake Booster Motor B Phase U-V-W Circuit/Open

Severity

🔴 High

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–556 (est.)

Symptoms

The brake pedal is pressed hard
ABS/ESP light comes on
Loss of vacuum in the amplifier

Causes

Broken or damaged wiring harness
Oxidation of contacts in connectors
Amplifier motor malfunction
Problems with the amplifier control unit

How to Fix

Carry out diagnostics with a scanner, check the voltage on the phases
Inspect the wiring harness for damage
Check connectors and contacts for oxidation
Replace the motor or repair the chain if necessary

Related codes

C0580 C0581 C0582 C0584