C066A

Right Rear Wheel Speed Sensor B Intermittent/Erratic

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$56–167 (est.)

Symptoms

ABS/ESP indicator is on
The ABS system may be temporarily disabled
Incorrect speed readings on the speedometer
Problems with the stabilization system

Causes

Wheel speed sensor malfunction
Wiring harness damage
Oxidation or contamination of contacts
Gear damage
Problems with the sensor connector

How to Fix

Check the condition of the sensor and its fastening
Inspect the wiring harness for damage
Clean the sensor and connector contacts
Check the condition of the gear wheel
Replace sensor if necessary

Related codes

C0660 C0665 C0669 C0035