OBD Guide

C0506

Right Front Wheel Speed Sensor A Circuit/Open

C0506 is an OBD-II diagnostic trouble code meaning: Right Front Wheel Speed Sensor A Circuit/Open. Common causes: broken or damaged sensor wiring harness, wheel speed sensor malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • The ABS/ESP indicator on the dashboard is on
  • Disabling the ABS/ESP system
  • Incorrect operation of cruise control
  • Problems with the stabilization system

Causes

  • Broken or damaged sensor wiring harness
  • Wheel speed sensor malfunction
  • Poor contact in the sensor connector
  • Damage to the ring gear on the hub
  • Malfunction of the ABS/ESP control unit

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Check the sensor connector for corrosion or damage.
  3. Check the resistance of the wheel speed sensor (usually 800-2000 ohms)
  4. Check the ring gear on the hub for damage
  5. If necessary, replace the wheel speed sensor or wiring harness.

Related codes

Error C0506 by Vehicle Brand

FAQ

What does the C0506 code mean?

C0506 is an OBD-II diagnostic trouble code that indicates: Right Front Wheel Speed Sensor A Circuit/Open

What causes a C0506 error code?

The most common causes of C0506 include: Broken or damaged sensor wiring harness; Wheel speed sensor malfunction; Poor contact in the sensor connector; Damage to the ring gear on the hub.

How do I fix a C0506 diagnostic trouble code?

To fix C0506: Check the integrity of the sensor wiring harness. Check the sensor connector for corrosion or damage.. Check the resistance of the wheel speed sensor (usually 800-2000 ohms). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0506?

Limited driving only, diagnose soon

How much does it cost to fix C0506?

The estimated repair cost for C0506 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat