C0235 Chevrolet Code - Open Or Grounded Rear Speed Signal Circuit
Quick Answer
The C0235 code for Chevrolet vehicles indicates an issue with the rear speed signal circuit being either open or grounded. Common causes include Damaged wiring harness connecting the wheel speed sensors, Faulty rear wheel speed sensor, Corrosion or poor connection in the circuit. 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
- C0235 Chevrolet indicates Open Or Grounded Rear Speed Signal Circuit.
- Common causes
- Common causes include Damaged wiring harness connecting the wheel speed sensors, Faulty rear wheel speed sensor, Corrosion or poor connection in the circuit.
- 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 C0235 Chevrolet Description
The C0235 code for Chevrolet vehicles indicates an issue with the rear speed signal circuit being either open or grounded. This means that there is a problem with the communication between the wheel speed sensors and the vehicle's computer system. The wheel speed sensors are responsible for monitoring the speed of each wheel and sending this information to the ABS (Anti-lock Braking System) and traction control systems. When the rear speed signal circuit is compromised, it can lead to inaccurate speed readings, which can affect the vehicle's performance and safety features.
Common Causes of C0235 Chevrolet
- Damaged wiring harness connecting the wheel speed sensors.
- Faulty rear wheel speed sensor.
- Corrosion or poor connection in the circuit.
- Malfunctioning ABS module.
- Electrical issues in the vehicle's computer system.
Symptoms of C0235 Chevrolet
- ABS warning light illuminated on the dashboard.
- Traction control system light is on.
- Erratic or inconsistent braking behavior.
- Vehicle stability control system not functioning properly.
- Increased stopping distance during braking.
How to Fix C0235 Chevrolet
- Begin by conducting a thorough inspection of the wiring harness and connections for any signs of damage or corrosion.
- Test the rear wheel speed sensor using a multimeter to check for proper functionality.
- If the sensor is faulty, replace it with a new one and ensure proper installation.
- Check the ABS module for any malfunctions and address any issues found.
- Clear the diagnostic trouble codes from the vehicle's computer system and test drive the vehicle to ensure the problem has been resolved.
Cost to Fix C0235 Chevrolet
The typical repair costs for addressing an open or grounded rear speed signal circuit on a Chevrolet vehicle can range from $200 to $500, including parts and labor. However, it is essential to note that the specific diagnosis time and labor rates at auto repair shops can vary significantly. Rates may be higher in metropolitan areas or at dealerships, while independent shops often charge less. It is advisable to check local rates for a more accurate estimate before proceeding with the repair.
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Frequently Asked Questions about C0235 Chevrolet Code
1. What does the OBDII code C0235 mean on a Chevrolet?
The code C0235 indicates an issue with the rear speed signal circuit, which may be open or grounded, impacting the vehicle's ability to properly detect wheel speed.
2. What are the common symptoms of code C0235 in a Chevrolet?
Symptoms can include ABS light illumination, reduced or disabled traction control, erratic speedometer readings, or uneven braking performance.
3. What causes the C0235 code to appear in a Chevrolet?
Common causes include a damaged or corroded speed sensor, faulty wiring or connectors, a failed ABS module, or issues with the rear wheel hub assembly.
4. How do I diagnose a C0235 code on my Chevrolet?
Start by inspecting the rear speed sensor and its wiring for damage or corrosion. Use a multimeter to test sensor resistance and continuity in the circuit. A scan tool can also help verify live data from the sensor.
5. Can I drive my Chevrolet with the C0235 code active?
It is possible to drive with this code, but it is not recommended as it can affect the ABS and traction control systems, potentially compromising safety in certain conditions.
6. How do I fix the C0235 code on my Chevrolet?
Repairs may include replacing a faulty rear speed sensor, repairing or replacing damaged wiring or connectors, or replacing the ABS module if necessary.
7. How much does it cost to fix the C0235 code on a Chevrolet?
The cost can vary depending on the cause, but replacing a rear wheel speed sensor typically costs between $100 and $300, including parts and labor.
8. Can a bad wheel hub cause the C0235 code in a Chevrolet?
Yes, a faulty wheel hub can affect the speed sensor's ability to read properly, triggering the C0235 code.
9. Will clearing the C0235 code fix the problem on my Chevrolet?
Clearing the code will remove it temporarily, but unless the underlying issue is resolved, the code will likely return.
10. How can I prevent the C0235 code from occurring in the future?
Regularly inspect and maintain the ABS system, including speed sensors, wiring, and connectors, as well as addressing any wheel hub or bearing issues promptly.
Discuss the causes and fixes for C0235 Chevrolet OBDII Code
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I scan my chevy thajo 99 and the code c0235 .. c0237..c0221..c0222..c0226 come up. I scan it cause somtimes when i put the brakes at stop light my car turns off i could turn it on at the moment . But it turn off when i hit the brakes fast... What can i do?? Thanks for the help
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Start by disconnecting the car battery to reset the system. If the codes come back, you may have a problem with the ABS control module.
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