C1406 Code - Open or Short in Front Speed Sensor Left Circuit
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 Left, Front Speed Sensor Left harness is open or shorted, Front Speed Sensor Left circuit poor electrical connection. 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
- C1406 indicates Open or Short in Front Speed Sensor Left Circuit.
- Common causes
- Common causes include Faulty Front Speed Sensor Left, Front Speed Sensor Left harness is open or shorted, Front Speed Sensor Left circuit poor electrical connection.
- 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 C1406 Description
What are the Possible Causes of the DTC C1406?
- Faulty Front Speed Sensor Left
- Front Speed Sensor Left harness is open or shorted
- Front Speed Sensor Left circuit poor electrical connection
- Faulty Skid Control ECU (Brake Actuator Assembly)
How to Fix the DTC C1406?
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 C1406 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.
Need more information about the C1406 code?
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Need Help with the Code?
Get the C1406 code diagnosed by a professional: Find a repair shop in your area
Information for Specific Makes
- C1406 Lexus — Open or Short in Front Speed Sensor Left Circuit
- C1406 Scion — Open or Short in Front Speed Sensor Left Circuit
- C1406 Toyota — Open or Short in Front Speed Sensor Left Circuit
Frequently Asked Questions about C1406 Code
1. What are the common symptoms of OBDII code C1406?
The common symptoms of OBDII code C1406 include the ABS warning light illuminating on the dashboard, erratic or non-functional speedometer readings, and potential loss of traction control and ABS functionality.
2. What does the OBDII code C1406 indicate?
OBDII code C1406 indicates an open or short circuit in the front left speed sensor circuit of the vehicle's anti-lock braking system (ABS).
3. What are the possible causes of OBDII code C1406?
Possible causes of OBDII code C1406 include damaged or faulty front left wheel speed sensor, wiring issues such as breaks or shorts in the circuit, corroded or loose connections, or a malfunctioning ABS control module.
4. How can I diagnose the issue related to OBDII code C1406?
Diagnosing the issue related to OBDII code C1406 involves visually inspecting the wiring and connections, testing the front left wheel speed sensor for proper operation, and using a scan tool to retrieve and interpret ABS system fault codes.
5. Is it safe to continue driving with OBDII code C1406 present?
It is not recommended to continue driving with OBDII code C1406 present, as it can affect the proper function of the ABS system and compromise vehicle safety in certain driving conditions.
6. How can I repair OBDII code C1406?
Repairing OBDII code C1406 may involve replacing the front left wheel speed sensor, repairing or replacing damaged wiring or connectors, cleaning corroded connections, or addressing any issues with the ABS control module.
7. Can OBDII code C1406 be triggered by a simple sensor calibration issue?
Yes, in some cases, OBDII code C1406 can be triggered by a simple sensor calibration issue, which may require recalibrating the affected sensor using specialized equipment and procedures.
8. Are there any DIY repair tips for addressing OBDII code C1406?
DIY repair tips for addressing OBDII code C1406 include carefully inspecting the wiring and connections for visible damage, ensuring proper sensor installation and alignment, and performing basic diagnostic tests before seeking professional help if needed.
9. How can a professional mechanic help resolve OBDII code C1406?
A professional mechanic can help resolve OBDII code C1406 by conducting a comprehensive diagnostic assessment, using advanced scan tools for accurate fault code interpretation, and performing the necessary repairs or replacements with precision.
10. Is it necessary to reset the ABS system after repairing OBDII code C1406?
Yes, it is recommended to reset the ABS system after repairing OBDII code C1406 to clear any stored fault codes and ensure proper recalibration of the ABS components for optimal performance.
Discuss the causes and fixes for C1406 OBDII Code
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I don't have codes c1406 , c103f informatio of renault clio 06
And i need repair my car
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