AutoCodesChevrolet – C0055 Chevrolet

C0055 Chevrolet Code - Rear Wheel Speed Sensor Circuit

Quick Answer

The Electronic Control Module (ECM) convert the data from the chicle speed sensor to a 128K pulse/mile signal. Common causes include Faulty Rear Wheel Speed Sensor, Rear Wheel Speed Sensor harness is open or shorted, 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
C0055 Chevrolet indicates Rear Wheel Speed Sensor Circuit.
Common causes
Common causes include Faulty Rear Wheel Speed Sensor, Rear Wheel Speed Sensor harness is open or shorted, 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 66,055
How popular is this code, among other codes? Medium
Table of contents Created and updated by William Orellana on May 02, 2020
💬 Need more help? Ask Coddy for instant answers — it's free!

Code C0055 Chevrolet Description

The Electronic Control Module (ECM) convert the data from the chicle speed sensor to a 128K pulse/mile signal. The Electronic Brake Control Module (EBCM) uses the vehicle speed signal from the ECM in order to calculate the rear wheel speed.
OBDII Code C0055 Chevrolet - Rear Wheel Speed Sensor Circuit - AutoCodes.com
C0055 Chevrolet Code - Rear Wheel Speed Sensor Circuit

What are the Possible Causes of the DTC C0055 Chevrolet?

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

How to Fix the DTC C0055 Chevrolet?

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 C0055 Chevrolet 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 C0055 Chevrolet code?

Need more information on how to fix the C0055 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0055 Chevrolet code diagnosed by a professional: Find a repair shop in your area

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 C0055 Chevrolet Code

1. What are the common symptoms of OBDII code C0055 in a Chevrolet related to the rear wheel speed sensor circuit?

The common symptoms include the ABS warning light illuminating on the dashboard, traction control issues, and potential difficulties with the stability control system.

2. What are the possible causes of OBDII code C0055 indicating a rear wheel speed sensor circuit problem in a Chevrolet?

Possible causes include a faulty rear wheel speed sensor, damaged wiring or connectors in the circuit, issues with the ABS module, or sensor alignment issues.

3. How can I diagnose the OBDII code C0055 in my Chevrolet related to the rear wheel speed sensor circuit?

Diagnosis involves using a diagnostic scan tool to retrieve the specific trouble code, inspecting the rear wheel speed sensor and its wiring for damage, and checking the sensor's alignment and connection to the ABS module.

4. Can I still drive my Chevrolet with OBDII code C0055 indicating a rear wheel speed sensor circuit issue?

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

5. How can I repair the OBDII code C0055 related to the rear wheel speed sensor circuit in my Chevrolet?

Repairs may involve replacing the faulty rear wheel speed sensor, repairing damaged wiring or connectors, resetting the ABS module, or realigning the sensor to ensure proper functionality.

6. Are there any DIY tips for troubleshooting OBDII code C0055 in a Chevrolet concerning the rear wheel speed sensor circuit?

DIY tips include visually inspecting the rear wheel speed sensor and its wiring for visible damage, checking for loose or corroded connectors, and ensuring the sensor is properly aligned with the ABS ring.

7. Will resetting the OBDII code C0055 in my Chevrolet fix the rear wheel speed sensor circuit problem?

Resetting the code may temporarily clear the warning light, but it won't fix the underlying issue with the rear wheel speed sensor circuit. Proper diagnosis and repair are necessary to resolve the problem.

8. How crucial is it to address OBDII code C0055 related to the rear wheel speed sensor circuit in a Chevrolet promptly?

It's essential to address this code promptly, as it can affect the vehicle's safety systems, leading to potential loss of traction, stability control issues, and compromised braking performance.

9. Can extreme weather conditions affect the rear wheel speed sensor circuit and trigger OBDII code C0055 in a Chevrolet?

Yes, extreme weather conditions like excessive heat or moisture can impact the rear wheel speed sensor circuit, leading to malfunctions that trigger the OBDII code C0055.

10. Is it necessary to visit a professional mechanic to resolve OBDII code C0055 in my Chevrolet related to the rear wheel speed sensor circuit?

While some DIY troubleshooting is possible, it's recommended to consult a professional mechanic with experience in ABS systems to accurately diagnose and repair the issue associated with the rear wheel speed sensor circuit.

Discuss the causes and fixes for C0055 Chevrolet OBDII Code

  • How critical is it to fix now?
    Expensive?
    Can I do it myself?

  • What model and year is your vehicle?

    It's critical, if the sensor is faulty, the Antilock Brake System (ABS) will not work properly.

    Expensive? depends if the problem is the sensor or wires to the sensor.

    Can I do it myself? Also depends what the problem is exactly and your capability to do the repair.

  • OBDII C0055 code came up on my 2005 GMC Sierra duramax 6.6 truck

  • Do you have any other symptoms? Is the Antilock Brake System (ABS) light on? If you have transmission problems along with the C0055 code, then you could have a faulty Transmission Control Module (TCM).

  • I replaced the TCM and the GPCM also after I come to a stop & transmission goes into limp mode ,intermittently (not all the time) there’s no engine light on after I replaced the GPCM. I can’t figure it out I still have C0055 code showing on my scanner

  • Is the speedometer working?
    I checked a national database of repairs for your model and year, and other than the TCM the only other components listed that could set the code and give you a transmission problem are the Electronic Brake Control Module (EBCM), the Vehicle Speed Sensor (VSS) or the VSS wiring.

AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play