AutoCodes – GMC – C0508 GMC

C0508 GMC Code - Right Front Wheel Speed Sensor Circuit Low

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Right Front Wheel Speed Sensor. Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed Sensor 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: C0508 GMC indicates Right Front Wheel Speed Sensor Circuit Low.
Common causes: Common causes include Faulty Right Front Wheel Speed Sensor, Right Front Wheel Speed Sensor harness is open or shorted, Right Front Wheel Speed Sensor 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 2,636

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 Jul 05, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0508 GMC Description

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

OBDII Code C0508 GMC - Right Front Wheel Speed Sensor Circuit Low - AutoCodes.com — C0508 GMC Code - Right Front Wheel Speed Sensor Circuit Low

What does this mean?

What are the Possible Causes of the DTC C0508 GMC?

Faulty Right Front Wheel Speed Sensor
Right Front Wheel Speed Sensor harness is open or shorted
Right Front Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC C0508 GMC?

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 C0508 GMC 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 C0508 GMC code?

Need more information on how to fix the C0508 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

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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 C0508 GMC Code

1. What are the common symptoms of OBDII code C0508 GMC (Right Front Wheel Speed Sensor Circuit Low)?

The common symptoms include the ABS warning light turning on, traction control system malfunctions, and potential loss of stability control.

2. What are the possible causes of OBDII code C0508 GMC?

Possible causes include a faulty right front wheel speed sensor, damaged wheel speed sensor wiring or connectors, corroded connections, or issues with the ABS module.

3. How can I diagnose the cause of OBDII code C0508 GMC?

Diagnosing the code typically involves inspecting the right front wheel speed sensor and its wiring for damage, testing the sensor's resistance, checking connectors for corrosion, and using a scan tool to retrieve more specific diagnostic information.

4. Can I still drive my vehicle with OBDII code C0508 GMC present?

It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS and traction control systems, potentially compromising safety.

5. Is it possible to clear OBDII code C0508 GMC without fixing the underlying issue?

Clearing the code without addressing the root cause will only temporarily remove the warning light, but the issue will likely reoccur until the underlying problem is fixed.

6. How do I repair OBDII code C0508 GMC?

Repairing the code involves fixing or replacing the right front wheel speed sensor, repairing damaged wiring or connectors, cleaning corroded connections, or addressing any issues with the ABS module as necessary.

7. Can weather or road conditions trigger OBDII code C0508 GMC?

Extreme weather conditions or rough road surfaces can potentially contribute to triggering this code by damaging the wheel speed sensor or its wiring.

8. How much does it typically cost to repair OBDII code C0508 GMC?

The cost of repair can vary depending on the specific cause of the code, but it may range from around $100 to $300 for parts and labor.

9. How long does it usually take to repair OBDII code C0508 GMC?

The repair time can vary based on the extent of the issue and the availability of parts, but it typically takes a few hours to complete the repair.

10. Can I prevent OBDII code C0508 GMC from occurring in the future?

Regular maintenance, such as checking and cleaning wheel speed sensors and connectors, inspecting wiring for damage, and addressing any issues promptly, can help prevent this code from occurring in the future.