AutoCodes – Pontiac – C1235 Pontiac

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

Quick Answer

As the wheel spins, the wheel speed sensor produces an AC signal. Common causes include Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly), Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted. 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 Pontiac indicates Right Rear Wheel Speed Circuit Open or Shorted.
Common causes
Common causes include Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly), Faulty Right Rear Wheel Speed Sensor, Right Rear Wheel Speed Sensor harness is open or shorted.
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 2,419
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Aug 28, 2020
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Code C1235 Pontiac Description

As the wheel spins, the wheel speed sensor produces an AC signal. The Electronic Brake Control Module (EBCM) uses the frequency of the AC signal to calculate the wheel speed. The EBCM will set the OBDII code when the sensor is not to factory specifications.
OBDII Code C1235 Pontiac - Right Rear Wheel Speed Circuit Open or Shorted - AutoCodes.com
C1235 Pontiac Code - Right Rear Wheel Speed Circuit Open or Shorted

What are the Possible Causes of the DTC C1235 Pontiac?

  • Faulty Hub Assembly (Right Rear Wheel Speed Sensor is part of hub assembly)
  • 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 C1235 Pontiac?

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 C1235 Pontiac 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 C1235 Pontiac code?

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

Need Help with the Code?

Get the C1235 Pontiac 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 Pontiac Code

1. What are common symptoms of OBDII code C1235 in a Pontiac?

- Common symptoms include the ABS warning light being illuminated on the dashboard, traction control issues, and potential loss of stability control.

2. What does the OBDII code C1235 for a Pontiac indicate?

- The code C1235 points to a problem with the right rear wheel speed circuit being either open or shorted, affecting the vehicle's ABS and traction control systems.

3. What are possible causes of the right rear wheel speed circuit open or shorted issue in a Pontiac?

- Causes may include damaged wiring, a faulty wheel speed sensor, a corroded connector, or issues with the ABS module.

4. How can I diagnose the right rear wheel speed circuit problem in my Pontiac?

- Diagnosis involves checking the wiring and connectors for damage, testing the right rear wheel speed sensor for proper operation, and inspecting the ABS module for faults.

5. Can I still drive my Pontiac with the C1235 code?

- It is not recommended to drive the vehicle with the C1235 code active, as it can affect the ABS and traction control systems, compromising safety.

6. How can I repair the right rear wheel speed circuit open or shorted issue in my Pontiac?

- Repair typically involves addressing the specific cause of the problem, such as repairing or replacing damaged wiring, replacing the faulty wheel speed sensor, or addressing issues with connectors or the ABS module.

7. Is it necessary to reset the OBDII code C1235 after repairing the issue in a Pontiac?

- Yes, it is important to clear the code after repairing the problem to reset the ABS and traction control systems and ensure proper functionality.

8. Can a DIY enthusiast fix the right rear wheel speed circuit issue in a Pontiac?

- Depending on the skill level and access to tools, a DIY enthusiast may be able to address some causes of the issue, such as replacing a wheel speed sensor or repairing damaged wiring.

9. How much does it cost to repair the right rear wheel speed circuit problem in a Pontiac?

- Repair costs can vary based on the specific cause of the issue and labor rates, but it is recommended to consult with a mechanic for an accurate estimate.

10. Will the ABS and traction control systems function normally after repairing the C1235 code in a Pontiac?

- Once the underlying issue is fixed and the code is cleared, the ABS and traction control systems should resume normal operation in the Pontiac.

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