C0508

Right Front Wheel Speed Sensor A Circuit Low

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$22–111 (est.)

Symptoms

The ABS/ESP indicator on the dashboard is on
ABS system does not work
Erratic behavior of the ESP system
Errors in cruise control operation

Causes

Damage to the wheel speed sensor wiring harness
Faulty wheel speed sensor
Poor contact in the sensor connector
Damage to the ring gear on the hub
Problems with the ABS control unit

How to Fix

Check the integrity of the sensor wiring harness
Check sensor resistance (usually 800-1400 Ohm)
Clean the sensor connector and check the contacts
Check the air gap between the sensor and the ring gear
Replace the wheel speed sensor if necessary

Related codes

C0507 C0509 C050A