AutoCodes – Toyota – C1406 2009 Toyota FJ Cruiser

C1406 2009 Toyota FJ Cruiser 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. 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 2009 Toyota FJ Cruiser 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.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 4,014
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Sep 20, 2022
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Code C1406 2009 Toyota FJ Cruiser Description

The speed sensor detects the wheel speed and sends the appropriate signals to the Skid Control ECU. These signals are used for brake control. The speed sensor rotors have rows of alternating N and S magnetic poles and their magnetic fields change when the rotors turn. Each speed sensor detects that magnetic change and sends a pulse signal to the Skid Control ECU.
OBDII Code C1406 2009 Toyota FJ Cruiser - Open Or Short In Front Speed Sensor Left Circuit - AutoCodes.com
C1406 2009 Toyota FJ Cruiser Code - Open Or Short In Front Speed Sensor Left Circuit

What are the Possible Causes of the DTC C1406 2009 Toyota FJ Cruiser?

  • 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

How to Fix the DTC C1406 2009 Toyota FJ Cruiser?

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

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the C1406 2009 Toyota FJ Cruiser 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 2009 Toyota FJ Cruiser code?

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Need Help with the Code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about C1406 2009 Toyota FJ Cruiser Code

1. What are the common symptoms of OBDII code C1406 in a 2009 Toyota FJ Cruiser?

- Common symptoms include the ABS warning light being illuminated on the dashboard, decreased ABS system functionality, and potential traction control issues.

2. What does the OBDII code C1406 for a 2009 Toyota FJ Cruiser indicate?

- The code C1406 indicates an open or short circuit in the front speed sensor left circuit of the ABS system.

3. What are the possible causes of OBDII code C1406 in a 2009 Toyota FJ Cruiser?

- The possible causes include damaged wiring or connectors in the front speed sensor left circuit, a faulty front speed sensor itself, or issues with the ABS control module.

4. How can I diagnose the issue causing OBDII code C1406 in my 2009 Toyota FJ Cruiser?

- A thorough visual inspection of the wiring and connectors, testing the front speed sensor with a multimeter, and scanning the ABS system with a diagnostic tool can help diagnose the problem.

5. Can I still drive my 2009 Toyota FJ Cruiser with OBDII code C1406 present?

- It is not recommended to drive the vehicle with the ABS warning light on, as the ABS system may not function properly, compromising safety during braking and in certain road conditions.

6. How can I repair OBDII code C1406 in my 2009 Toyota FJ Cruiser?

- Repair may involve repairing or replacing damaged wiring, connectors, or the front speed sensor. In some cases, recalibrating or replacing the ABS control module may be necessary.

7. Are there any DIY tips for addressing OBDII code C1406 in a 2009 Toyota FJ Cruiser?

- While basic visual inspections can be done by DIY enthusiasts, diagnosing and repairing electrical issues like this code may require specialized tools and expertise, so it's best to consult a professional mechanic.

8. How much does it typically cost to fix OBDII code C1406 in a 2009 Toyota FJ Cruiser?

- The cost of repair can vary depending on the root cause of the issue, but it may involve anywhere from $100 to $500 or more, including parts and labor.

9. Can resetting the OBDII system clear the code C1406 in a 2009 Toyota FJ Cruiser?

- Resetting the OBDII system may temporarily clear the code, but if the underlying issue causing C1406 is not addressed, the code is likely to reappear after driving the vehicle.

10. Is it important to address OBDII code C1406 promptly in a 2009 Toyota FJ Cruiser?

- Yes, it is crucial to address this code promptly to ensure the proper functioning of the ABS system and maintain safe driving conditions.

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