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Engine-Codes – GMC – C0050 GMC

C0050 GMC Code - Right Rear Wheel Speed Sensor Circuit

Quick Answer

The C0050 GMC code specifically refers to a fault in the Right Rear Wheel Speed Sensor Circuit. Common causes include Faulty right rear wheel speed sensor, Damaged or corroded wiring connecting the sensor to the ECU, Loose or broken connector at the sensor or ECU. 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
C0050 GMC indicates Right Rear Wheel Speed Sensor Circuit.
Common causes
Common causes include Faulty right rear wheel speed sensor, Damaged or corroded wiring connecting the sensor to the ECU, Loose or broken connector at the sensor or ECU.
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 11, 2024
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Code C0050 GMC Description

The C0050 GMC code specifically refers to a fault in the Right Rear Wheel Speed Sensor Circuit. In modern vehicles, wheel speed sensors are crucial components of the Anti-Lock Braking System (ABS) and the Traction Control System (TCS). These sensors monitor the rotational speed of each wheel and provide data to the vehicle's computer system, allowing for precise control of the ABS and TCS functions. When the Right Rear Wheel Speed Sensor Circuit is compromised, it can lead to issues with braking performance, stability control, and overall safety while driving.

OBDII Code C0050 GMC - Right Rear Wheel Speed Sensor Circuit
C0050 GMC Code - Right Rear Wheel Speed Sensor Circuit

Common Causes of C0050 GMC

  1. Faulty right rear wheel speed sensor.
  2. Damaged or corroded wiring connecting the sensor to the ECU.
  3. Loose or broken connector at the sensor or ECU.
  4. ECU malfunction affecting the right rear wheel speed sensor circuit.
  5. Physical damage to the right rear wheel speed sensor (e.g. impact from debris or road hazards).

Symptoms of C0050 GMC

  1. ABS warning light illuminated on the dashboard.
  2. Traction control system malfunction or warning light.
  3. Erratic or inconsistent braking behavior.
  4. Vehicle stability issues, especially during braking or turning.
  5. Increased stopping distances or difficulty stopping the vehicle.

How to Fix C0050 GMC

  1. Diagnose the issue by using a scan tool to retrieve the specific fault code and conduct a visual inspection of the right rear wheel speed sensor and its wiring.
  2. Test the right rear wheel speed sensor using a multimeter to check for proper resistance and signal output.
  3. Replace the faulty right rear wheel speed sensor if it fails the tests, ensuring proper installation and connection.
  4. Inspect and repair any damaged wiring or connectors in the right rear wheel speed sensor circuit.
  5. Clear the fault code from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C0050 GMC

The typical repair costs for addressing a Right Rear Wheel Speed Sensor Circuit issue can range from $150 to $300, including parts and labor. However, it is important to note that the final cost can vary depending on the specific make and model of the vehicle, the location of the repair shop, and any additional components that may need to be replaced. Additionally, the diagnosis time and labor rates at auto repair shops can influence the overall cost, with hourly rates typically falling between $80 and $150. It is recommended to contact local repair shops for a more accurate estimate based on the individual circumstances.

What does this mean?

Tech Notes for C0050 GMC









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Information for Specific GMC Models

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 C0050 GMC Code

1. What are the common symptoms of OBDII code C0050 GMC?

The common symptoms of code C0050 GMC include the ABS warning light coming on, traction control system malfunctioning, and potential issues with the stability control system.

2. What causes OBDII code C0050 GMC to trigger?

The code C0050 GMC is triggered when there is a malfunction in the right rear wheel speed sensor circuit, which can be caused by a faulty wheel speed sensor, damaged wiring, or poor connections.

3. How can I diagnose the right rear wheel speed sensor circuit issue?

You can diagnose the right rear wheel speed sensor circuit issue by using a diagnostic scan tool to read the trouble codes, performing a visual inspection of the sensor and wiring, and conducting electrical tests to check for continuity and proper voltage.

4. Can I drive my vehicle with OBDII code C0050 GMC?

It is not recommended to drive your vehicle with code C0050 GMC as it can affect the proper functioning of the ABS, traction control, and stability control systems, compromising your safety on the road.

5. How can I repair OBDII code C0050 GMC?

To repair code C0050 GMC, you may need to replace the right rear wheel speed sensor, repair any damaged wiring or connections, clear the trouble codes with a scan tool, and test the system to ensure proper functionality.

6. Will resetting the trouble codes fix OBDII code C0050 GMC?

Resetting the trouble codes may temporarily clear the warning lights, but it will not fix the underlying issue causing code C0050 GMC. It is important to diagnose and repair the problem to prevent it from recurring.

7. How much does it cost to repair OBDII code C0050 GMC?

The cost to repair code C0050 GMC can vary depending on the extent of the issue, the labor rates in your area, and the price of parts needed for the repair. It is recommended to get a professional diagnosis for an accurate estimate.

8. Can a DIY enthusiast fix OBDII code C0050 GMC?

If you have experience with automotive repairs and access to the necessary tools, you may be able to fix code C0050 GMC yourself by following repair guides and instructions. However, it is important to ensure proper diagnosis and repair techniques to avoid further damage.

9. Will code C0050 GMC affect my vehicle's performance?

Code C0050 GMC may not directly affect your vehicle's performance, but it can impact the operation of safety systems like ABS, traction control, and stability control, potentially compromising handling and braking in certain situations.

10. How often does OBDII code C0050 GMC occur in GMC vehicles?

Code C0050 GMC related to the right rear wheel speed sensor circuit is a common issue in GMC vehicles equipped with ABS and traction control systems, especially in older models or those with high mileage. Regular maintenance can help prevent such problems.

Discuss the causes and fixes for C0050 GMC OBDII Code

Submit a New Comment

  • I have a 2007 Chevy impala and my ABS sensor is on. I took it to o Reilly’s and the code that came up was C0050. I’m not sure if its the wire or what. Can you help me solve this problem?

    Reply to Comment

  • The first thing you need to do is check if the wire is broken or disconnected. If the wire looks OK, then you may have to replace Right Rear Wheel Hub Assembly, unfortunately you can't get the sensor by itself.

    Reply to Comment