OBD Guide

C0660

Left Rear Wheel Speed Sensor B Range/Performance

C0660 is an OBD-II diagnostic trouble code meaning: Left Rear Wheel Speed Sensor B Range/Performance. Common causes: wheel speed sensor malfunction, damage to the sensor wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • ABS/ESP indicator is on
  • Disabling the ABS/ESP system
  • Incorrect operation of cruise control
  • Unstable speedometer readings

Causes

  • Wheel speed sensor malfunction
  • Damage to the sensor wiring harness
  • Sensor gear is dirty or damaged
  • Sensor connection problems
  • ABS/ESP module malfunction

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Clean or replace sensor gear
  3. Check the resistance of the wheel speed sensor
  4. Replace the wheel speed sensor if necessary
  5. Check the connection of the sensor to the ABS/ESP module

Related codes

Error C0660 by Vehicle Brand

FAQ

What does the C0660 code mean?

C0660 is an OBD-II diagnostic trouble code that indicates: Left Rear Wheel Speed Sensor B Range/Performance

What causes a C0660 error code?

The most common causes of C0660 include: Wheel speed sensor malfunction; Damage to the sensor wiring harness; Sensor gear is dirty or damaged; Sensor connection problems.

How do I fix a C0660 diagnostic trouble code?

To fix C0660: Check the integrity of the sensor wiring harness. Clean or replace sensor gear. Check the resistance of the wheel speed sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0660?

Limited driving only, diagnose soon

How much does it cost to fix C0660?

The estimated repair cost for C0660 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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