C1235 Code - Right Rear Wheel Speed Sensor Input Signal Missing
Quick Answer
The C1235 diagnostic trouble code indicates that there is a problem with the right rear wheel speed sensor input signal in the vehicle's anti-lock braking system (ABS). Common causes include Faulty right rear wheel speed sensor, Damaged or corroded sensor wiring, Loose or disconnected sensor connector. 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 indicates Right Rear Wheel Speed Sensor Input Signal Missing.
- Common causes
- Common causes include Faulty right rear wheel speed sensor, Damaged or corroded sensor wiring, Loose or disconnected sensor connector.
- 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 Description
The C1235 diagnostic trouble code indicates that there is a problem with the right rear wheel speed sensor input signal in the vehicle's anti-lock braking system (ABS). The wheel speed sensors are responsible for monitoring the speed of each wheel and sending this data to the ABS control module. This information is crucial for the ABS to function properly and prevent wheel lock-up during braking.
Common Causes of C1235
- Faulty right rear wheel speed sensor.
- Damaged or corroded sensor wiring.
- Loose or disconnected sensor connector.
- ABS control module malfunction.
- Issues with the wheel bearing or hub assembly.
Symptoms of C1235
- ABS warning light illuminated on the dashboard.
- Increased stopping distance during braking.
- ABS system activation when not needed.
- Traction control or stability control malfunctions.
How to Fix C1235
- Inspect the right rear wheel speed sensor for damage or corrosion.
- Check the sensor wiring and connector for any signs of damage or disconnection.
- Test the sensor's output signal using a multimeter to determine if it is functioning correctly.
- Replace the right rear wheel speed sensor if it is found to be faulty.
- Clear the trouble codes from the ABS control module and test drive the vehicle to ensure the issue has been resolved.
Cost to Fix C1235
The cost of repairing a C1235 code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. Generally, replacing a wheel speed sensor can range from $100 to $300, including parts and labor. However, if the problem is more complex, such as a faulty ABS control module, the cost can increase significantly. It's recommended to consult with a professional mechanic to get an accurate estimate based on the specific circumstances of your vehicle.
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Code C1235 Information for Specific Makes
- C1235 Buick — Right Rear Wheel Speed Circuit Open or Shorted
- C1235 Cadillac — Right Rear Wheel Speed Circuit Open or Shorted
- C1235 Chevrolet — Right Rear Wheel Speed Circuit Open or Shorted
- C1235 Ford — Right Rear Wheel Speed Sensor Input Signal Missing
- C1235 GMC — Right Rear Wheel Speed Circuit Open or Shorted
- C1235 Lexus — Foreign Object Attached on Tip of Right Front Sensor
- C1235 Lincoln — Right Rear Wheel Speed Sensor Input Signal Missing
- C1235 Mazda — Speed Wheel Right Rear Input Signal Missing
- C1235 Mercury — Right Rear Wheel Speed Sensor Input Signal Missing
- C1235 Pontiac — Right Rear Wheel Speed Circuit Open or Shorted
- C1235 Scion — Foreign Object Attached on Tip of Right Front Sensor
- C1235 Toyota — Foreign Object Attached on Tip of Right Front Sensor
Frequently Asked Questions about C1235 Code
1. What are the common symptoms of OBDII code C1235 (Right Rear Wheel Speed Sensor Input Signal Missing)?
The common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential loss of stability control.
2. What are the possible causes of OBDII code C1235?
The code C1235 can be triggered by a faulty right rear wheel speed sensor, damaged wiring or connectors related to the sensor, or issues with the ABS module.
3. How can I diagnose the cause of OBDII code C1235?
To diagnose the cause of C1235, you can use an OBDII scanner to retrieve the code and further inspect the right rear wheel speed sensor, its wiring, and connectors for any visible damage or corrosion.
4. Can a dirty wheel speed sensor cause code C1235?
Yes, a dirty or contaminated right rear wheel speed sensor can lead to a poor signal input, triggering code C1235. It's advisable to clean the sensor before proceeding with any replacements.
5. Is it safe to drive with OBDII code C1235 active?
While the vehicle may still be drivable with code C1235, it's recommended to address the issue promptly. Driving with this code may compromise the performance of the ABS and traction control systems.
6. How can I repair OBDII code C1235?
Repairing code C1235 typically involves inspecting and potentially replacing the right rear wheel speed sensor, repairing any damaged wiring or connectors, and clearing the code with an OBDII scanner.
7. Can I reset OBDII code C1235 without fixing the underlying issue?
Resetting the code without addressing the root cause, such as a faulty sensor or wiring, may temporarily clear the warning light. However, the issue will likely resurface, and it's essential to fix the problem to ensure proper functionality.
8. What tools are needed to diagnose and repair OBDII code C1235?
Tools needed may include an OBDII scanner for code retrieval and clearing, basic hand tools for sensor and wiring inspection, and a multimeter for testing electrical connections.
9. Are there any DIY tips for troubleshooting OBDII code C1235?
DIY troubleshooting tips include visually inspecting the sensor and its connections, cleaning the sensor to remove any debris, and checking for any visible signs of damage before proceeding with replacements.
10. How long does it typically take to repair OBDII code C1235?
The repair time for code C1235 can vary depending on the extent of the issue and your experience level. In general, diagnosing and replacing a faulty sensor or repairing wiring may take a few hours to complete.
Discuss the causes and fixes for C1235 OBDII Code
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Dear After changing my Daihatsu Rush RF wheel bearing ABS light shown. if there is any connection with bearing and ABS. please let me know. I already checked and the code C1235 shown. so please give me some suggestion.
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Yes. The ABS wheel sensor is mounted near the wheel bearing. Sometimes the sensor is left disconnected when the wheel bearing is replaced.
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I Already change 2 bearing but ABS shown. would you please suggest which bearing I fixed for that.
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I dont have the manual for your vehicle, but the problem is not the wheel bearing, the C1235 code is for the Right Rear Wheel Speed Sensor
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dear sir daihatsu scanner tool show ABS {C1235 ABNORMAL CYCLE OF FR WHEEL} wheel bearing change but not genuine bearing .so please give me suggest
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