OBD Guide

C0038

Left Rear Wheel Speed Sensor Supply

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–89 (est.)

Symptoms

  • ABS/ESP indicator is on
  • Disabling the ABS system
  • Incorrect operation of cruise control
  • Errors in the stabilization system

Causes

  • Open or shorted wiring harness
  • Oxidation of sensor contacts
  • Wheel speed sensor malfunction
  • Problems with connectors
  • ABS module malfunction

How to Fix

  1. Check the integrity of the wiring harness
  2. Clean sensor contacts and connectors
  3. Check sensor resistance
  4. Replace sensor if necessary
  5. Check the operation of the ABS module

Related codes

Error C0038 by Vehicle Brand