OBD Guide

C066B

Right Rear Wheel Speed Sensor B Correlation

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

Symptoms

  • ABS/ESP indicator is on
  • Reduced ABS performance
  • Disabling the stabilization system

Causes

  • Damage to the wheel speed sensor
  • Sensor contamination
  • Broken or damaged wiring harness
  • Problems with gear wheel rotor
  • ABS control unit malfunction

How to Fix

  1. Check the condition of the wheel speed sensors
  2. Clean the sensors from dirt
  3. Check the integrity of the wiring harness
  4. Replace damaged sensor if necessary
  5. Check the gear rotor for damage
  6. Scan the system for other errors

Related codes

Error C066B by Vehicle Brand