C1401 Lexus Code - Front Speed Sensor Right Malfunction
Quick Answer
The speed sensor detects the wheel speed and sends the appropriate signals to the Skid Control ECU (Brake Actuator Assembly). Common causes include Faulty Front Speed Sensor Right, Front Speed Sensor Right Rotor (Front Axle Hub Sub-Assembly Right), Front Speed Sensor Right 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
- C1401 Lexus indicates Front Speed Sensor Right Malfunction.
- Common causes
- Common causes include Faulty Front Speed Sensor Right, Front Speed Sensor Right Rotor (Front Axle Hub Sub-Assembly Right), Front Speed Sensor Right 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.
Code C1401 Lexus Description
What are the Possible Causes of the DTC C1401 Lexus?
- Faulty Front Speed Sensor Right
- Front Speed Sensor Right Rotor (Front Axle Hub Sub-Assembly Right)
- Front Speed Sensor Right harness is open or shorted
- Front Speed Sensor Right circuit poor electrical connection
How to Fix the DTC C1401 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.
Code Tech Notes
If there is iron powder sticking to the rotor, this will result in a malfunction, so confirm that the rotor is not contaminated with foreign material before replacing the sensor.
Check the speed sensor signal after cleaning or replacement.
On most vehicles, the Front Speed Sensor Rotor is incorporated into the Front Axle Hub Sub-Assembly. If the Speed Sensor Rotor needs to be replaced, replace it together with the Front Axle Hub Sub-Assembly.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the C1401 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 C1401 Lexus Code
1. What are the common symptoms of OBDII code C1401 in a Lexus related to the Front Speed Sensor Right Malfunction?
The common symptoms of this code may include the ABS warning light turning on, traction control system malfunction, and potential loss of stability control.
2. What are the possible causes of the Front Speed Sensor Right Malfunction in a Lexus triggering the C1401 code?
Potential causes of this issue may include a faulty front speed sensor, damaged wiring or connectors, sensor alignment issues, or sensor contamination.
3. How can I diagnose the Front Speed Sensor Right Malfunction in my Lexus when experiencing the C1401 code?
You can diagnose this issue by inspecting the front speed sensor and its wiring for any visible damage, testing the sensor with a multimeter, and checking for proper sensor alignment.
4. Can I continue driving my Lexus with the C1401 code related to the Front Speed Sensor Right Malfunction?
It is not recommended to continue driving your vehicle with this code present, as it can affect the operation of important safety systems like ABS and traction control.
5. How can I repair the Front Speed Sensor Right Malfunction in my Lexus causing the C1401 code?
Repairing this issue typically involves replacing the front speed sensor, repairing any damaged wiring or connectors, ensuring proper sensor alignment, and clearing the error code.
6. Are there any DIY tips for fixing the Front Speed Sensor Right Malfunction in a Lexus with the C1401 code?
While some basic inspections and sensor cleaning can be done by DIY enthusiasts, it is recommended to have a professional technician diagnose and repair this issue to ensure proper functioning of safety systems.
7. Can weather conditions affect the Front Speed Sensor Right Malfunction in a Lexus causing the C1401 code?
Extreme weather conditions such as excessive heat or moisture can potentially impact the performance of the front speed sensor and trigger the C1401 code.
8. How much does it typically cost to repair the Front Speed Sensor Right Malfunction in a Lexus associated with the C1401 code?
The cost of repairing this issue can vary depending on the exact cause of the malfunction, but it may range from $200 to $500 for parts and labor.
9. Will disconnecting the battery reset the C1401 code related to the Front Speed Sensor Right Malfunction in a Lexus?
Disconnecting the battery may temporarily clear the error code, but if the underlying issue is not addressed, the code is likely to reappear once the system detects the problem again.
10. Is it necessary to visit a dealership for repairing the Front Speed Sensor Right Malfunction triggering the C1401 code in a Lexus?
While dealership service centers are equipped to handle such issues, independent auto repair shops with experience in ABS and traction control systems can also effectively diagnose and repair the problem.
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