OBD Guide

C0106

Abnormal Signal Of Rear ABS Wheel Speed Sensor Left

C0106 is an OBD-II diagnostic trouble code meaning: Abnormal Signal Of Rear ABS Wheel Speed Sensor Left. Common causes: malfunction of the rear left wheel speed sensor, open or short circuit in the 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

  • The ABS indicator on the dashboard is on
  • Disabling the ABS system
  • Activation of the ESP system (in some cases)
  • Uneven braking

Causes

  • Malfunction of the rear left wheel speed sensor
  • Open or short circuit in the sensor wiring harness
  • Sensor is dirty or damaged
  • Problems with the ring gear on the wheel hub
  • ABS control unit malfunction

How to Fix

  1. Check the condition of the rear left wheel speed sensor
  2. Inspect the wiring harness for damage
  3. Clean the sensor from dirt
  4. Check the ring gear on the wheel hub
  5. Replace sensor if necessary
  6. Check the operation of the ABS system after repair

Related codes

Error C0106 by Vehicle Brand

FAQ

What does the C0106 code mean?

C0106 is an OBD-II diagnostic trouble code that indicates: Abnormal Signal Of Rear ABS Wheel Speed Sensor Left

What causes a C0106 error code?

The most common causes of C0106 include: Malfunction of the rear left wheel speed sensor; Open or short circuit in the sensor wiring harness; Sensor is dirty or damaged; Problems with the ring gear on the wheel hub.

How do I fix a C0106 diagnostic trouble code?

To fix C0106: Check the condition of the rear left wheel speed sensor. Inspect the wiring harness for damage. Clean the sensor from dirt. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with C0106?

Limited driving only, diagnose soon

How much does it cost to fix C0106?

The estimated repair cost for C0106 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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