C1235 Lexus Code - Foreign Object Attached on Tip of Right Front Sensor
Quick Answer
The speed sensor detects wheel speed and sends the appropriate signals to the ECU. Common causes include Faulty Right Front Speed Sensor, Right Front Speed Sensor rotor, Sensor installation. 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 Lexus indicates Foreign Object Attached on Tip of Right Front Sensor.
- Common causes
- Common causes include Faulty Right Front Speed Sensor, Right Front Speed Sensor rotor, Sensor installation.
- 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.
Code C1235 Lexus Description
When the rotors rotate, the magnetic field emitted by the permanent magnet in the speed sensor generates AC voltage. Since the frequency of this AC voltage changes in direct proportion to the speed of the rotor, the frequency is used by the ECU to detect the speed of each wheel.
What are the Possible Causes of the DTC C1235 Lexus?
- Faulty Right Front Speed Sensor
- Right Front Speed Sensor rotor
- Sensor installation
- Faulty Skid Control ECU (Brake Actuator Assembly)
How to Fix the DTC C1235 Lexus?
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 Lexus 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.
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Frequently Asked Questions about C1235 Lexus Code
1. What does the OBDII code C1235 mean for a Lexus?
C1235 indicates that the vehicle's system has detected a foreign object attached to the tip of the right front wheel speed sensor, potentially interfering with its operation.
2. What are the common symptoms of code C1235 on a Lexus?
Symptoms may include the ABS warning light illuminating, traction control being disabled, or inconsistent ABS or stability control performance.
3. What causes code C1235 to trigger on a Lexus?
Common causes include debris, dirt, or metallic particles attached to the right front wheel speed sensor, a damaged sensor, or wiring issues.
4. Can I drive my Lexus with the C1235 code active?
While the vehicle is typically drivable, safety systems like ABS and traction control may not function properly, which could affect braking performance in certain conditions.
5. How do I fix the C1235 code on my Lexus?
Inspect and clean the right front wheel speed sensor to remove any debris or foreign objects. If the code persists, check for sensor damage or wiring issues.
6. How can I prevent the C1235 code from recurring?
Regularly inspect and clean the wheel speed sensors during routine maintenance, especially if you drive in areas with dirt, gravel, or road debris.
7. What tools do I need to diagnose the C1235 code?
You’ll need an OBDII scanner to read and clear the code, along with basic tools to remove the wheel and inspect the sensor.
8. Can a faulty wheel speed sensor trigger the C1235 code?
Yes, a damaged or malfunctioning right front wheel speed sensor can cause the C1235 code to appear.
9. How much does it cost to repair the C1235 code on a Lexus?
Cleaning the sensor may cost nothing if you do it yourself. If the sensor or wiring needs replacement, costs can range from $100 to $300 depending on parts and labor.
10. Does clearing the C1235 code with a scanner fix the problem?
Clearing the code without addressing the underlying issue is only a temporary solution; the code will likely return until the cause is resolved.
Discuss the causes and fixes for C1235 Lexus OBDII Code
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