OBD Guide

C0501

Left Front Wheel Speed Sensor A Range/Performance

C0501 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor A Range/Performance. Common causes: wheel speed sensor malfunction, damage to the sensor wiring harness. Estimated repair cost: $56–167.

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

FAQ

What does the C0501 code mean?

C0501 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor A Range/Performance

What causes a C0501 error code?

The most common causes of C0501 include: 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.

How do I fix a C0501 diagnostic trouble code?

To fix C0501: Check the visual condition of the sensor and wiring. Clean the sensor from dirt. Check sensor resistance (must meet specification). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0501?

Do not drive — repair immediately

How much does it cost to fix C0501?

The estimated repair cost for C0501 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat