AutoCodes – GMC – C0051 GMC

C0051 GMC Code - Right Rear Wheel Speed Sensor Circuit Range Performance

Quick Answer

The wheel speed sensor produces an alternating current signal whose amplitude and frequency vary, depending on the velocity of the wheel. Common causes include Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted, Right Rear 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: C0051 GMC indicates Right Rear Wheel Speed Sensor Circuit Range Performance.
Common causes: Common causes include Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted, Right Rear 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 4,589

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 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0051 GMC Description

The wheel speed sensor produces an alternating current signal whose amplitude and frequency vary, depending on the velocity of the wheel. The electronic brake control module (EBCM) uses the frequency of the AC signal to calculate the wheel speed.

OBDII Code C0051 GMC - Right Rear Wheel Speed Sensor Circuit Range Performance - AutoCodes.com — C0051 GMC Code - Right Rear Wheel Speed Sensor Circuit Range Performance

What does this mean?

What are the Possible Causes of the DTC C0051 GMC?

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

How to Fix the DTC C0051 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 C0051 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 C0051 GMC 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 C0051 GMC Code

1. What are the common symptoms of OBDII code C0051 GMC?

The common symptoms of code C0051 GMC include the ABS warning light illuminating on the dashboard, traction control system being disabled, and potential issues with the vehicle's stability control.

2. What can cause the OBDII code C0051 GMC to trigger?

The OBDII code C0051 GMC is triggered when the right rear wheel speed sensor circuit is not performing within the expected range. This can be caused by a faulty wheel speed sensor, damaged wiring, or a poor electrical connection.

3. How can I diagnose the cause of OBDII code C0051 GMC?

To diagnose the cause of code C0051 GMC, you can use a diagnostic scan tool to retrieve the trouble codes and inspect the right rear wheel speed sensor and its wiring for any visible damage or corrosion.

4. Can I still drive my vehicle with OBDII code C0051 GMC present?

It is not recommended to drive your vehicle with OBDII code C0051 GMC present, as it can affect the performance of the ABS and traction control systems, potentially compromising your safety on the road.

5. How can I repair OBDII code C0051 GMC?

Repairing OBDII code C0051 GMC typically involves replacing the right rear wheel speed sensor, repairing any damaged wiring or connectors, and clearing the trouble codes with a diagnostic scan tool.

6. Are there any DIY tips for fixing OBDII code C0051 GMC?

If you have experience working on automotive electrical systems, you may be able to replace the right rear wheel speed sensor yourself. However, it is recommended to consult a professional technician for proper diagnosis and repair.

7. Will OBDII code C0051 GMC cause any long-term damage to my vehicle?

While OBDII code C0051 GMC itself may not cause immediate damage, ignoring the issue can lead to further complications with the ABS and traction control systems, affecting the overall safety and performance of your vehicle.

8. How much does it cost to repair OBDII code C0051 GMC at a repair shop?

The cost of repairing OBDII code C0051 GMC at a repair shop can vary depending on the specific cause of the issue, but it typically ranges from $100 to $300 for parts and labor.

9. Can extreme weather conditions trigger OBDII code C0051 GMC?

Extreme weather conditions such as heavy rain or snow can potentially affect the performance of the right rear wheel speed sensor, leading to the triggering of OBDII code C0051 GMC.

10. Is it necessary to reset the ABS system after repairing OBDII code C0051 GMC?

After repairing OBDII code C0051 GMC, it is recommended to reset the ABS system using a diagnostic scan tool to clear any stored trouble codes and ensure proper functionality of the system.