OBD Guide

C0026

Left Front Wheel Speed Sensor Signal Missing

C0026 is an OBD-II diagnostic trouble code meaning: Left Front Wheel Speed Sensor Signal Missing. Common causes: faulty wheel speed sensor, broken or damaged sensor wiring harness. Estimated repair cost: $56–167.

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

Symptoms

  • Disabling the ABS system
  • ABS fault indicator is on
  • Incorrect operation of the stabilization system
  • Lost speed data on dashboard

Causes

  • Faulty wheel speed sensor
  • Broken or damaged sensor wiring harness
  • Poor contact in the sensor connector
  • Damage to the toothed ring on the wheel hub
  • Problems with the ABS ECU

How to Fix

  1. Check the integrity of the sensor wiring harness
  2. Determine the state of the contacts in the sensor connector
  3. Check the resistance of the wheel speed sensor (should be within 0.8–2.3 kOhm)
  4. Inspect the toothed ring on the wheel hub for damage
  5. If necessary, replace the wheel speed sensor

Related codes

Error C0026 by Vehicle Brand

FAQ

What does the C0026 code mean?

C0026 is an OBD-II diagnostic trouble code that indicates: Left Front Wheel Speed Sensor Signal Missing

What causes a C0026 error code?

The most common causes of C0026 include: Faulty wheel speed sensor; Broken or damaged sensor wiring harness; Poor contact in the sensor connector; Damage to the toothed ring on the wheel hub.

How do I fix a C0026 diagnostic trouble code?

To fix C0026: Check the integrity of the sensor wiring harness. Determine the state of the contacts in the sensor connector. Check the resistance of the wheel speed sensor (should be within 0.8–2.3 kOhm). For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0026?

Limited driving only, diagnose soon

How much does it cost to fix C0026?

The estimated repair cost for C0026 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat