OBD Guide

C0662

Left Rear Wheel Speed Sensor B Circuit High

C0662 is an OBD-II diagnostic trouble code meaning: Left Rear Wheel Speed Sensor B Circuit High. Common causes: sensor circuit short circuit to power, broken or damaged wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Incorrect operation of ABS/ESP
  • No speed readings on the dashboard
  • ABS/ESP warning light comes on

Causes

  • Sensor circuit short circuit to power
  • Broken or damaged wiring harness
  • Wheel speed sensor malfunction
  • Connector pin corrosion
  • Problems with the ABS module

How to Fix

  1. Check the integrity of the wiring harness to the sensor
  2. Test the sensor circuit for a short circuit
  3. Check the resistance and output signal of the sensor
  4. Clean connector contacts from corrosion
  5. Scan the ABS module for additional errors

Related codes

Error C0662 by Vehicle Brand

FAQ

What does the C0662 code mean?

C0662 is an OBD-II diagnostic trouble code that indicates: Left Rear Wheel Speed Sensor B Circuit High

What causes a C0662 error code?

The most common causes of C0662 include: Sensor circuit short circuit to power; Broken or damaged wiring harness; Wheel speed sensor malfunction; Connector pin corrosion.

How do I fix a C0662 diagnostic trouble code?

To fix C0662: Check the integrity of the wiring harness to the sensor. Test the sensor circuit for a short circuit. Check the resistance and output signal of the sensor. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0662?

Limited driving only, diagnose soon

How much does it cost to fix C0662?

The estimated repair cost for C0662 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat