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

Quick Answer

The C0106 diagnostic trouble code (DTC) for Subaru vehicles indicates an abnormal signal from the rear ABS wheel speed sensor on the left side of the vehicle. Common causes include Faulty rear ABS wheel speed sensor, Damaged wiring or connectors, Malfunctioning ABS control module. 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 Subaru indicates Abnormal Signal Of Rear ABS Wheel Speed Sensor Left.
Common causes
Common causes include Faulty rear ABS wheel speed sensor, Damaged wiring or connectors, Malfunctioning ABS control module.
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.
What is this?
Table of contents Created and updated by William Orellana on Sep 09, 2024
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Code C0106 Subaru Description

The C0106 diagnostic trouble code (DTC) for Subaru vehicles indicates an abnormal signal from the rear ABS wheel speed sensor on the left side of the vehicle. The ABS (Anti-lock Braking System) wheel speed sensors are responsible for monitoring the speed of each wheel and providing data to the ABS system to prevent wheel lock-up during braking. When the ABS system detects an abnormal signal from a wheel speed sensor, it can affect the vehicle's braking performance and stability.

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

Common Causes of C0106 Subaru

  1. Faulty rear ABS wheel speed sensor
  2. Damaged wiring or connectors
  3. Malfunctioning ABS control module
  4. Issues with the tone ring or reluctor ring on the wheel hub
  5. Corrosion or debris affecting sensor signal

Symptoms of C0106 Subaru

  1. ABS warning light illuminated on the dashboard
  2. Increased stopping distance during braking
  3. ABS system not engaging during braking
  4. Traction control system disabled or malfunctioning
  5. Uneven braking or pulling to one side during braking

How to Fix C0106 Subaru

  1. Perform a visual inspection of the rear ABS wheel speed sensor, wiring, and connectors for any damage or corrosion.
  2. Use a scan tool to retrieve the DTC and diagnose the specific issue with the ABS system.
  3. Test the rear ABS wheel speed sensor using a multimeter to check for proper resistance and signal output.
  4. Replace the rear ABS wheel speed sensor if it is found to be faulty, ensuring proper installation and calibration.
  5. Clear the DTC and test drive the vehicle to verify that the ABS system is functioning correctly.

Cost to Fix C0106 Subaru

The typical repair costs for addressing the C0106 code on a Subaru vehicle can vary depending on the specific cause of the issue and the parts and labor required for the repair. In general, replacing a rear ABS wheel speed sensor can cost between $100 to $200 for the part alone, with additional costs for labor and any other necessary components. The total repair cost, including parts and labor, may range from $200 to $500 or more, depending on the shop rates and location.

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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 Subaru Code

1. What are the common symptoms of OBDII code C0106 in a Subaru related to the rear ABS wheel speed sensor left?

The common symptoms include the ABS warning light illuminating on the dashboard, erratic behavior of the ABS system, and possible traction control issues.

2. What are the possible causes of OBDII code C0106 in a Subaru indicating an abnormal signal from the rear ABS wheel speed sensor left?

Potential causes may include a faulty rear ABS wheel speed sensor, damaged wiring or connectors, sensor alignment issues, or problems with the ABS control module.

3. How can I diagnose the source of OBDII code C0106 in my Subaru related to the rear ABS wheel speed sensor left?

Diagnosis involves using an OBDII scanner to retrieve the specific trouble code, visually inspecting the sensor and its wiring for physical damage, and testing the sensor's resistance and output signal using a multimeter.

4. What are some repair tips for addressing OBDII code C0106 in a Subaru due to an abnormal signal from the rear ABS wheel speed sensor left?

Repair tips include cleaning the sensor mounting surface, ensuring proper sensor alignment during installation, checking and repairing any damaged wiring or connectors, and resetting the ABS system after repairs are completed.

5. Can I continue driving my Subaru with OBDII code C0106 related to the rear ABS wheel speed sensor left?

It is not recommended to drive the vehicle with this issue unresolved, as it may compromise the effectiveness of the ABS system and jeopardize overall safety. Prompt attention and repair are advised.

6. How much does it typically cost to repair OBDII code C0106 in a Subaru caused by an abnormal signal from the rear ABS wheel speed sensor left?

The cost of repair can vary depending on the specific cause of the issue, but it may involve expenses for parts such as a new ABS wheel speed sensor, labor costs for diagnosis and repair, and potential fees for resetting the ABS system.

7. Are there any DIY solutions for fixing OBDII code C0106 in a Subaru related to the rear ABS wheel speed sensor left?

While some basic diagnostics and visual inspections can be performed by DIY enthusiasts, resolving this issue often requires specialized tools and expertise. It is recommended to consult a professional mechanic for proper diagnosis and repair.

8. How critical is it to address OBDII code C0106 in a Subaru signaling an abnormal signal from the rear ABS wheel speed sensor left?

Addressing this code promptly is crucial to ensure the proper functioning of the ABS system, which plays a vital role in vehicle stability and safety during braking maneuvers. Ignoring the issue can lead to potential safety risks.

9. Can extreme weather conditions or road debris cause OBDII code C0106 in a Subaru due to the rear ABS wheel speed sensor left?

Yes, extreme weather conditions such as heavy snow or road debris like mud and rocks can potentially damage the rear ABS wheel speed sensor or its wiring, leading to abnormal signals and triggering the OBDII code C0106.

10. How long does it typically take to repair OBDII code C0106 in a Subaru related to the rear ABS wheel speed sensor left?

The repair time can vary based on the exact cause of the issue, the availability of parts, and the mechanic's workload. In general, it may take a few hours to a day to diagnose and repair the problem effectively.

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