OBD Guide

C0590

Brake Booster Motor A Phase U-V-W Current High

C0590 is an OBD-II diagnostic trouble code meaning: Brake Booster Motor A Phase U-V-W Current High. Common causes: short circuit in the motor windings, motor brush wear. Estimated repair cost: $167โ€“444.

Severity
๐Ÿ”ด High
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$167โ€“444 (est.)

Symptoms

  • The brake system fault indicator is on
  • Increased brake pedal force
  • Failures in the operation of the emergency braking system
  • Disabling adaptive cruise control

Causes

  • Short circuit in the motor windings
  • Motor brush wear
  • Damage to the amplifier wiring harness
  • Malfunction of the motor driver in the control unit
  • Mechanical jamming of the amplifier

How to Fix

  1. Check the resistance of the motor windings
  2. Inspect the condition of the brushes and commutator
  3. Check the integrity of the wiring harness
  4. Test the operation of the motor driver
  5. If necessary, replace the brake booster assembly

Related codes

Error C0590 by Vehicle Brand

FAQ

What does the C0590 code mean?

C0590 is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor A Phase U-V-W Current High

What causes a C0590 error code?

The most common causes of C0590 include: Short circuit in the motor windings; Motor brush wear; Damage to the amplifier wiring harness; Malfunction of the motor driver in the control unit.

How do I fix a C0590 diagnostic trouble code?

To fix C0590: Check the resistance of the motor windings. Inspect the condition of the brushes and commutator. Check the integrity of the wiring harness. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0590?

Limited driving only, diagnose soon

How much does it cost to fix C0590?

The estimated repair cost for C0590 is $167โ€“444. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version ยท NationStat