AutoCodes – Generic – C0106

C0106 Code - Abnormal Signal Of Rear ABS Wheel Speed Sensor Left

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Rear ABS Wheel Speed Sensor Left. Common causes include Faulty Rear ABS Wheel Speed Sensor Left, Rear ABS Wheel Speed Sensor Left harness is open or shorted, Rear ABS Wheel Speed Sensor Left circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means: C0106 indicates Abnormal Signal Of Rear ABS Wheel Speed Sensor Left.
Common causes: Common causes include Faulty Rear ABS Wheel Speed Sensor Left, Rear ABS Wheel Speed Sensor Left harness is open or shorted, Rear ABS Wheel Speed Sensor Left circuit poor electrical connection.
Severity: High - diagnose this code as soon as possible.
Can I drive?: Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

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Code Popularity 4,820

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0106 Description

The Anti-Lock Brake System (ABS) Module monitors the Rear ABS Wheel Speed Sensor Left. The ABS Module sets the OBDII code when the Rear ABS Wheel Speed Sensor Left is not to factory specifications.

OBDII Code C0106 - Abnormal Signal Of Rear ABS Wheel Speed Sensor Left - AutoCodes.com — C0106 Code - Abnormal Signal Of Rear ABS Wheel Speed Sensor Left

What does this mean?

What are the Possible Causes of the DTC C0106?

Faulty Rear ABS Wheel Speed Sensor Left
Rear ABS Wheel Speed Sensor Left harness is open or shorted
Rear ABS Wheel Speed Sensor Left circuit poor electrical connection

How to Fix the DTC C0106?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C0106 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the C0106 code?

Need more information on how to fix the C0106 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0106 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

C0106 Subaru — Abnormal Signal Of Rear ABS Wheel Speed Sensor Left

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C0106 Code

1. What are the common symptoms of OBDII code C0106 (Abnormal Signal Of Rear ABS Wheel Speed Sensor Left)?

The common symptoms include the ABS warning light illuminating on the dashboard, unstable braking, and potential traction control system issues.

2. What are the possible causes of OBDII code C0106?

The code C0106 is typically triggered by a faulty rear ABS wheel speed sensor on the left side, damaged wiring or connectors, or issues with the ABS control module.

3. How can I diagnose the cause of OBDII code C0106?

You can diagnose the cause by conducting a visual inspection of the wheel speed sensor and related wiring, performing a scan tool test to check sensor readings, and conducting a road test to observe ABS system behavior.

4. Can a DIY enthusiast repair OBDII code C0106 at home?

Yes, depending on the exact cause, DIY repairs are possible for this code. You may need to replace the rear ABS wheel speed sensor, repair damaged wiring, or reset the ABS system using a scan tool.

5. How important is it to address OBDII code C0106 promptly?

It is crucial to address the code promptly as it indicates a potential issue with the ABS system, which is essential for safe braking and vehicle stability.

6. Are there any temporary fixes for OBDII code C0106?

Temporary fixes like clearing the code with a scan tool may temporarily turn off the warning light, but addressing the root cause is necessary to ensure proper functionality.

7. Can driving with OBDII code C0106 cause further damage to the vehicle?

Continuing to drive with the code may lead to compromised ABS system performance, affecting braking efficiency and overall vehicle safety.

8. How much does it typically cost to repair OBDII code C0106 at a repair shop?

The cost of repair can vary depending on the exact cause, but it may involve sensor replacement, wiring repairs, or ABS module reprogramming, ranging from $100 to $500 or more.

9. Is it safe to drive my vehicle with OBDII code C0106 if ABS functionality is affected?

It is not recommended to drive the vehicle if ABS functionality is compromised, as it can increase the risk of accidents, especially in slippery or emergency braking situations.

10. How long does it usually take to repair OBDII code C0106?

The repair time can vary based on the complexity of the issue, but skilled technicians can typically diagnose and repair the problem within a few hours to a day, depending on parts availability.