C1235 Buick Code - Right Rear Wheel Speed Circuit Open or Shorted
Quick Answer
The C1235 Buick diagnostic trouble code indicates that there is an issue with the right rear wheel speed circuit being either open or shorted. Common causes include Faulty right rear wheel speed sensor, Damaged wiring or connectors in the circuit, Corrosion or debris affecting sensor functionality. 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 Buick indicates Right Rear Wheel Speed Circuit Open or Shorted.
- Common causes
- Common causes include Faulty right rear wheel speed sensor, Damaged wiring or connectors in the circuit, Corrosion or debris affecting sensor functionality.
- 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 C1235 Buick Description
The C1235 Buick diagnostic trouble code indicates that there is an issue with the right rear wheel speed circuit being either open or shorted. This code is typically associated with the vehicle's Anti-Lock Brake System (ABS) or traction control system. The right rear wheel speed sensor is responsible for monitoring the speed of the wheel and sending this information to the ABS module to help prevent the wheels from locking up during braking or losing traction during acceleration.
Common Causes of C1235 Buick
- Faulty right rear wheel speed sensor
- Damaged wiring or connectors in the circuit
- Corrosion or debris affecting sensor functionality
- ABS module failure
- Issues with the wheel hub or bearing assembly
Symptoms of C1235 Buick
- ABS warning light illuminated on the dashboard
- Traction control light is on
- Unusual noises coming from the wheel area
- Increased stopping distance
- Poor overall vehicle handling
How to Fix C1235 Buick
- Begin by diagnosing the specific cause of the open or shorted circuit using a scan tool to read the ABS module codes.
- Inspect the right rear wheel speed sensor, wiring, and connectors for any damage, corrosion, or debris. Replace or repair as necessary.
- Check the ABS module for any internal faults or failures. Replace the module if needed.
- Test the system after repairs are complete to ensure that the code has been resolved and that the ABS system is functioning properly.
- Clear the trouble codes from the ABS module to reset the system and turn off the warning lights on the dashboard.
Cost to Fix C1235 Buick
The cost of repairing a C1235 Buick code can vary depending on the specific cause of the issue and the labor rates in your area. On average, you can expect to pay between $200 and $500 for parts and labor. However, this cost could be higher if the ABS module needs to be replaced or if there are additional underlying issues. It's recommended to consult with a trusted mechanic or dealership to get a more accurate estimate based on your vehicle's make and model. Keep in mind that labor rates can range from $80 to $150 per hour, so the total cost may fluctuate accordingly.
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Frequently Asked Questions about C1235 Buick Code
1. What does the OBDII code C1235 mean on a Buick?
C1235 indicates an issue with the right rear wheel speed sensor circuit, such as an open or shorted connection.
2. What are the symptoms of code C1235 in a Buick?
Common symptoms include an illuminated ABS or traction control warning light, loss of ABS functionality, and possible stability control issues.
3. What causes the C1235 code to appear in a Buick?
The code can be triggered by a faulty wheel speed sensor, damaged wiring, corroded connectors, or a malfunctioning ABS module.
4. Can I still drive my Buick with the C1235 code?
Yes, but you should address the issue promptly, as your ABS and traction control systems may not function properly, increasing the risk of skidding.
5. How do you diagnose the C1235 code?
Diagnosis involves scanning for codes, visually inspecting the right rear wheel speed sensor and wiring, and testing the sensor with a multimeter to ensure proper functionality.
6. How do you fix the C1235 code on a Buick?
Repairs may include replacing the right rear wheel speed sensor, repairing or replacing damaged wiring, cleaning corroded connectors, or reprogramming the ABS module if needed.
7. How much does it cost to fix the C1235 code?
Repair costs vary, but replacing a wheel speed sensor typically ranges from $100 to $300, including parts and labor.
8. Can a bad wheel bearing cause the C1235 code?
Yes, a worn or damaged wheel bearing can affect the wheel speed sensor’s readings and trigger the code.
9. How can I prevent the C1235 code from recurring?
Regularly inspect and maintain the wheel speed sensors, wiring, and connectors, and address any signs of wear or corrosion promptly.
10. Does the C1235 code require reprogramming the ABS module after repairs?
Not always, but if the ABS module is replaced or software updates are needed, reprogramming may be required. Consult a professional for confirmation.
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