OBD Guide

C0589

Brake Booster Motor A Position Sensor Circuit High

C0589 is an OBD-II diagnostic trouble code meaning: Brake Booster Motor A Position Sensor Circuit High. Common causes: brake booster motor position sensor malfunction, open or short circuit in wiring harness. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Reduced braking performance
  • Hard brake pedal
  • Unstable operation of the brake booster

Causes

  • Brake booster motor position sensor malfunction
  • Open or short circuit in wiring harness
  • Damage to connectors or corrosion of contacts
  • Malfunction of the brake booster control unit

How to Fix

  1. Check the integrity of the wiring harness and connectors
  2. Test the brake booster motor position sensor
  3. Replace the sensor if a fault is detected
  4. Check and, if necessary, replace the brake booster control unit

Related codes

Error C0589 by Vehicle Brand

FAQ

What does the C0589 code mean?

C0589 is an OBD-II diagnostic trouble code that indicates: Brake Booster Motor A Position Sensor Circuit High

What causes a C0589 error code?

The most common causes of C0589 include: Brake booster motor position sensor malfunction; Open or short circuit in wiring harness; Damage to connectors or corrosion of contacts; Malfunction of the brake booster control unit.

How do I fix a C0589 diagnostic trouble code?

To fix C0589: Check the integrity of the wiring harness and connectors. Test the brake booster motor position sensor. Replace the sensor if a fault is detected. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0589?

Limited driving only, diagnose soon

How much does it cost to fix C0589?

The estimated repair cost for C0589 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat