OBD Guide

C0512

Right Rear Wheel Speed Sensor A Circuit/Open

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

Symptoms

  • ABS light is on
  • Disabling the ABS system
  • Incorrect speed readings on the speedometer
  • Problems with the stabilization system

Causes

  • Broken wires in the sensor harness
  • Poor contact in the sensor connector
  • Wheel speed sensor malfunction
  • Damage to the sensor gear (rotor)
  • Problems with the ABS module

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Inspect the sensor connector for corrosion or damage.
  3. Check the resistance of the wheel speed sensor
  4. Inspect the sensor gear (rotor) for damage
  5. If necessary, replace the wheel speed sensor or wiring harness.

Related codes

Error C0512 by Vehicle Brand