OBD Guide

C0500

Left Front Wheel Speed Sensor A Circuit/Open

C0500 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor A Circuit/Open. Common causes: wheel speed sensor circuit open, short circuit in the sensor circuit. Estimated repair cost: $33–111.

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$33–111 (est.)

Symptoms

  • ABS/ESP indicator is on
  • Disabling the ABS system
  • Disabling the ESP system
  • Incorrect operation of cruise control
  • Errors in other systems that depend on wheel speed sensor data

Causes

  • Wheel speed sensor circuit open
  • Short circuit in the sensor circuit
  • Damage to the wheel speed sensor
  • Sensor connector is dirty or damaged
  • Wiring Harness Problems
  • ABS control unit malfunction

How to Fix

  1. Check the condition of the sensor and its wiring
  2. Clean or replace sensor connector
  3. Check sensor resistance (must meet specification)
  4. Check the sensor signal with an oscilloscope
  5. If necessary, replace the wheel speed sensor
  6. Check and correct faults in the wiring harness
  7. Reset the error and check the system operation

Related codes

Error C0500 by Vehicle Brand

FAQ

What does the C0500 code mean?

C0500 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor A Circuit/Open

What causes a C0500 error code?

The most common causes of C0500 include: Wheel speed sensor circuit open; Short circuit in the sensor circuit; Damage to the wheel speed sensor; Sensor connector is dirty or damaged.

How do I fix a C0500 diagnostic trouble code?

To fix C0500: Check the condition of the sensor and its wiring. Clean or replace sensor connector. Check sensor resistance (must meet specification). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0500?

Limited driving only, diagnose soon

How much does it cost to fix C0500?

The estimated repair cost for C0500 is $33–111. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat