Engine-Codes.com
Engine-Codes – Chevrolet – C1235 Chevrolet

C1235 Chevrolet Code - Right Rear Wheel Speed Circuit Open or Shorted

Quick Answer

The C1235 code for Chevrolet indicates that there is an issue with the right rear wheel speed circuit being open or shorted. Common causes include Faulty wheel speed sensor, Damaged or corroded wiring harness connecting the sensor to the ABS module, Loose or poor connection at the wheel speed sensor. 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
C1235 Chevrolet indicates Right Rear Wheel Speed Circuit Open or Shorted.
Common causes
Common causes include Faulty wheel speed sensor, Damaged or corroded wiring harness connecting the sensor to the ABS module, Loose or poor connection at the wheel speed sensor.
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 06, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
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

Code C1235 Chevrolet Description

The C1235 code for Chevrolet indicates that there is an issue with the right rear wheel speed circuit being open or shorted. This code is typically associated with the vehicle's ABS (anti-lock braking system) and traction control system. When this circuit is compromised, it can lead to a loss of communication between the wheel speed sensor and the ABS module. This can result in the ABS system not functioning properly, potentially leading to a decrease in braking performance, stability, and traction control.

OBDII Code C1235 Chevrolet - Right Rear Wheel Speed Circuit Open or Shorted
C1235 Chevrolet Code - Right Rear Wheel Speed Circuit Open or Shorted

Common Causes of C1235 Chevrolet

  1. Faulty wheel speed sensor
  2. Damaged or corroded wiring harness connecting the sensor to the ABS module
  3. Loose or poor connection at the wheel speed sensor
  4. ABS module failure
  5. Issues with the vehicle's electrical system

Symptoms of C1235 Chevrolet

  1. ABS warning light illuminated on the dashboard
  2. Traction control light may also be lit
  3. Decreased braking performance, especially during hard braking or slippery road conditions
  4. Traction control system may not engage properly
  5. Unusual noises coming from the wheel area, such as grinding or clicking sounds

How to Fix C1235 Chevrolet

  1. Begin by visually inspecting the wiring harness and connections for any visible damage or corrosion. Repair or replace any damaged wiring.
  2. Test the right rear wheel speed sensor using a multimeter to ensure it is functioning correctly. Replace if necessary.
  3. Check the connection at the wheel speed sensor and ensure it is secure. Clean any corrosion or debris that may be affecting the connection.
  4. If the issue persists, it may be necessary to replace the ABS module. This will likely require reprogramming or recalibration of the module to ensure proper functionality.
  5. After completing the repairs, clear the diagnostic trouble codes and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix C1235 Chevrolet

The cost of repairing a C1235 code on a Chevrolet can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay anywhere from $200 to $500 for parts and labor. Keep in mind that these costs can fluctuate based on the severity of the problem and the need for any additional repairs or replacements. It's recommended to consult with a qualified mechanic or dealership to get a more accurate estimate based on your vehicle's make and model.

Need more information about the C1235 Chevrolet code?

Need more information on how to fix the C1235 Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1235 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 C1235 Chevrolet Code

1. What are common symptoms of OBDII code C1235 on a Chevrolet related to the right rear wheel speed circuit?

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

2. What are possible causes of the right rear wheel speed circuit open or shorted issue (C1235) in a Chevrolet?

Possible causes may include damaged or corroded wiring in the right rear wheel speed sensor circuit, a faulty wheel speed sensor, issues with the ABS module, or problems with the wheel speed sensor harness.

3. How can I diagnose the right rear wheel speed circuit open or shorted issue (C1235) in my Chevrolet?

Diagnosis involves using a diagnostic scan tool to retrieve the specific trouble code, checking the wiring and connections related to the right rear wheel speed sensor, and testing the sensor itself for proper functionality.

4. Can I still drive my Chevrolet with the C1235 OBDII code for the right rear wheel speed circuit open or shorted?

It is not recommended to drive the vehicle with this issue, as it can affect the operation of the ABS and traction control systems, compromising safety and vehicle stability.

5. How can I repair the right rear wheel speed circuit open or shorted problem (C1235) in my Chevrolet?

Repair may involve repairing or replacing damaged wiring, replacing the right rear wheel speed sensor, addressing issues with the ABS module, or fixing any faults in the sensor harness.

6. Is it possible to clear the C1235 trouble code in a Chevrolet without addressing the underlying issue?

Clearing the trouble code without resolving the underlying problem will likely result in the code reappearing once the issue is detected again by the vehicle's systems.

7. Are there any DIY tips for troubleshooting the C1235 code in a Chevrolet before seeking professional help?

DIY tips include visually inspecting the wiring and connections, checking for any visible damage, and ensuring proper connection of the wheel speed sensor.

8. How much does it typically cost to repair the right rear wheel speed circuit open or shorted issue (C1235) in a Chevrolet?

The cost of repair can vary depending on the specific cause of the issue, but it may range from a few hundred to over a thousand dollars, including parts and labor.

9. Can a C1235 OBDII code in a Chevrolet be triggered by other underlying issues not related to the right rear wheel speed circuit?

While the code is specifically related to the right rear wheel speed circuit, other related issues within the ABS or traction control systems could potentially trigger this code.

10. Will the ABS and traction control systems be fully functional again after fixing the C1235 issue in a Chevrolet?

Once the right rear wheel speed circuit open or shorted problem is properly repaired, the ABS and traction control systems should operate normally again, provided there are no other underlying issues.

Discuss the causes and fixes for C1235 Chevrolet OBDII Code

Submit a New Comment

Code C1235 Chevrolet comments

No comments found for this page.