AutoCodes – Toyota – C1406 2010 Toyota FJ Cruiser

C1406 2010 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 2010 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 6,148
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 2010 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 2010 Toyota FJ Cruiser - Open Or Short In Front Speed Sensor Left Circuit - AutoCodes.com
C1406 2010 Toyota FJ Cruiser Code - Open Or Short In Front Speed Sensor Left Circuit

What are the Possible Causes of the DTC C1406 2010 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 2010 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 2010 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 2010 Toyota FJ Cruiser 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 2010 Toyota FJ Cruiser Code

1. What are the common symptoms of OBDII code C1406 in a 2010 Toyota FJ Cruiser?

The common symptoms of OBDII code C1406, which indicates an open or short in the front speed sensor left circuit, may include the ABS warning light illuminating on the dashboard and potential issues with the vehicle's ABS system.

2. What can cause the OBDII code C1406 to trigger in a 2010 Toyota FJ Cruiser?

The OBDII code C1406 in a 2010 Toyota FJ Cruiser is typically triggered by an open or short in the front speed sensor left circuit, which could be caused by damaged wiring, a faulty speed sensor, or a poor electrical connection.

3. How can I diagnose the OBDII code C1406 in my 2010 Toyota FJ Cruiser?

Diagnosing the OBDII code C1406 involves using a diagnostic scanner to retrieve the trouble code, inspecting the front speed sensor and its wiring for any visible damage, and testing the sensor's resistance and signal output to determine the exact cause of the issue.

4. Is it safe to continue driving my 2010 Toyota FJ Cruiser with OBDII code C1406 present?

It is not recommended to continue driving your 2010 Toyota FJ Cruiser with the OBDII code C1406, as it indicates a potential issue with the ABS system that could compromise the vehicle's braking performance and safety.

5. How can I repair OBDII code C1406 in a 2010 Toyota FJ Cruiser?

To repair OBDII code C1406 in a 2010 Toyota FJ Cruiser, you may need to replace the front speed sensor left, repair any damaged wiring or connectors, and clear the trouble code using a diagnostic scanner.

6. Can a DIY enthusiast fix OBDII code C1406 in a 2010 Toyota FJ Cruiser?

While some DIY enthusiasts may have the skills to diagnose and repair OBDII code C1406 in a 2010 Toyota FJ Cruiser, it is recommended to seek professional help, especially when dealing with complex ABS system components.

7. Are there any common mistakes to avoid when addressing OBDII code C1406 in a 2010 Toyota FJ Cruiser?

Common mistakes to avoid when addressing OBDII code C1406 include overlooking damaged wiring, failing to properly secure connectors, and neglecting to clear the trouble code after completing repairs.

8. How much does it typically cost to repair OBDII code C1406 in a 2010 Toyota FJ Cruiser?

The cost to repair OBDII code C1406 in a 2010 Toyota FJ Cruiser can vary depending on the exact cause of the issue, but it may involve expenses for parts, labor, diagnostic services, and potentially ABS system recalibration.

9. Is there a recall or technical service bulletin related to OBDII code C1406 in 2010 Toyota FJ Cruisers?

It is advisable to check with Toyota dealerships or visit the National Highway Traffic Safety Administration (NHTSA) website to determine if there are any recalls or technical service bulletins related to OBDII code C1406 in 2010 Toyota FJ Cruisers.

10. Can the OBDII code C1406 in a 2010 Toyota FJ Cruiser be intermittent?

Yes, the OBDII code C1406 in a 2010 Toyota FJ Cruiser can be intermittent, with the ABS warning light coming on and off based on the fluctuating connection issues or sensor malfunctions in the front speed sensor left circuit.

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