AutoCodes – Toyota – C1406 2012 ToyotaFJ Cruiser

C1406 2012 ToyotaFJ 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 2012 ToyotaFJ 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 6,597
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 2012 ToyotaFJ 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 2012 ToyotaFJ Cruiser - Open Or Short In Front Speed Sensor Left Circuit - AutoCodes.com
C1406 2012 ToyotaFJ Cruiser Code - Open Or Short In Front Speed Sensor Left Circuit

What are the Possible Causes of the DTC C1406 2012 ToyotaFJ 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 2012 ToyotaFJ 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 2012 ToyotaFJ 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 2012 ToyotaFJ 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 2012 ToyotaFJ Cruiser Code

1. What are the common symptoms of OBDII code C1406 in a 2012 Toyota FJ Cruiser?

The common symptoms of OBDII code C1406 include the ABS warning light illuminating on the dashboard, potential loss of ABS functionality, and traction control system issues.

2. What does the OBDII code C1406 "Open or Short in Front Speed Sensor Left Circuit" mean for a 2012 Toyota FJ Cruiser?

The code C1406 indicates a problem with the front speed sensor on the left side of the vehicle, specifically an open or short circuit issue.

3. What are the possible causes of OBDII code C1406 in a 2012 Toyota FJ Cruiser?

Possible causes of OBDII code C1406 in a 2012 Toyota FJ Cruiser include damaged wiring or connectors in the front left speed sensor circuit, a faulty speed sensor, or issues with the ABS control module.

4. How can I diagnose the OBDII code C1406 in my 2012 Toyota FJ Cruiser?

Diagnosing OBDII code C1406 involves inspecting the front left speed sensor and its wiring for any visible damage, testing the sensor's resistance, and using a scan tool to retrieve ABS system fault codes for further analysis.

5. Can I continue driving my 2012 Toyota FJ Cruiser with OBDII code C1406 present?

It is not recommended to continue driving the vehicle with OBDII code C1406 present, as it indicates a potential issue with the ABS system that could compromise safety and lead to further damage if left unaddressed.

6. How can I repair OBDII code C1406 in my 2012 Toyota FJ Cruiser?

Repairing OBDII code C1406 may involve repairing or replacing damaged wiring or connectors in the front left speed sensor circuit, replacing the faulty speed sensor, or addressing any issues with the ABS control module.

7. Can I reset the OBDII code C1406 in my 2012 Toyota FJ Cruiser by disconnecting the battery?

While disconnecting the battery may clear the code temporarily, it is not a recommended long-term solution. It is important to diagnose and repair the underlying issue causing the code to prevent it from reoccurring.

8. How much does it typically cost to repair OBDII code C1406 in a 2012 Toyota FJ Cruiser?

The cost of repairing OBDII code C1406 in a 2012 Toyota FJ Cruiser can vary depending on the specific cause of the issue, the extent of the damage, and whether any parts need to be replaced. It is advisable to consult a professional mechanic for an accurate estimate.

9. Are there any preventive maintenance measures to avoid OBDII code C1406 in a 2012 Toyota FJ Cruiser?

Regular inspection of the ABS system components, including the speed sensors and wiring, can help prevent issues like OBDII code C1406. Maintaining good driving habits and avoiding harsh braking can also contribute to the longevity of ABS system components.

10. Is OBDII code C1406 a common issue in 2012 Toyota FJ Cruisers?

While OBDII code C1406 may not be the most common issue in 2012 Toyota FJ Cruisers, it can still occur due to various factors such as wear and tear, electrical faults, or environmental factors. Regular maintenance and timely repairs can help mitigate the chances of encountering this problem.

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