OBD Guide

C0501

Left Front Wheel Speed Sensor A Range/Performance

Severity
⚠️ Medium
Can you drive?
Do not drive — repair immediately
Approx. repair cost
$56–167 (est.)

Symptoms

  • The ABS/ESP indicator on the dashboard lights up
  • Disabling the ABS/ESP system
  • Incorrect operation of cruise control
  • Errors in the operation of the stabilization system

Causes

  • Wheel speed sensor malfunction
  • Damage to the sensor wiring harness
  • The sensor is contaminated with metal shavings or dirt
  • Problems with the ring gear on the wheel hub
  • Open or short circuit in the sensor circuit

How to Fix

  1. Check the visual condition of the sensor and wiring
  2. Clean the sensor from dirt
  3. Check sensor resistance (must meet specification)
  4. Check the integrity of the wiring harness
  5. Check the ring gear on the wheel hub
  6. If necessary, replace the wheel speed sensor

Related codes

Error C0501 by Vehicle Brand