AutoCodes – Ford – C0031 Ford

C0031 Ford Code - Left Front Wheel Speed Sensor

Quick Answer

The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Speed Sensor. Common causes include Faulty Left Front Wheel Speed Sensor, Left Front Wheel Speed Sensor harness is open or shorted, Left Front Wheel Speed Sensor 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: C0031 Ford indicates Left Front Wheel Speed Sensor.
Common causes: Common causes include Faulty Left Front Wheel Speed Sensor, Left Front Wheel Speed Sensor harness is open or shorted, Left Front Wheel Speed Sensor 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.

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Code Popularity 30,959

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on May 02, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C0031 Ford Description

The Anti-Lock Brake System (ABS) Module monitors the Left Front Wheel Speed Sensor. The ABS Module sets the OBDII code when the Left Front Wheel Speed Sensor is not to factory specifications.

OBDII Code C0031 Ford - Left Front Wheel Speed Sensor - AutoCodes.com — C0031 Ford Code - Left Front Wheel Speed Sensor

What does this mean?

What are the Possible Causes of the DTC C0031 Ford?

Faulty Left Front Wheel Speed Sensor
Left Front Wheel Speed Sensor harness is open or shorted
Left Front Wheel Speed Sensor circuit poor electrical connection

How to Fix the DTC C0031 Ford?

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 C0031 Ford 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 C0031 Ford code?

Need more information on how to fix the C0031 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C0031 Ford code diagnosed by a professional: Find a repair shop in your area

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 C0031 Ford Code

1. What are the common symptoms of a C0031 Ford OBDII code related to the Left Front Wheel Speed Sensor?

The common symptoms include ABS warning light illuminated on the dashboard, traction control system malfunction, and potential loss of stability control.

2. What are the possible causes of the C0031 Ford OBDII code for the Left Front Wheel Speed Sensor?

Possible causes include a faulty left front wheel speed sensor, damaged sensor wiring or connectors, contaminated sensors, or issues with the ABS control module.

3. How can I diagnose the C0031 Ford OBDII code for the Left Front Wheel Speed Sensor?

Diagnosis typically involves visually inspecting the sensor and its wiring, testing the sensor for proper resistance and output signal, and using a scan tool to retrieve specific fault codes from the ABS system.

4. Can I drive my vehicle with a C0031 Ford OBDII code related to the Left Front Wheel Speed Sensor?

It is not recommended to drive the vehicle with this code present, as it can affect the proper functioning of the ABS and traction control systems, potentially compromising safety.

5. How can I repair the C0031 Ford OBDII code for the Left Front Wheel Speed Sensor?

Repair options include replacing the left front wheel speed sensor, repairing or replacing damaged wiring or connectors, cleaning sensor surfaces, or addressing any issues with the ABS control module.

6. Are there any DIY tips for fixing the C0031 Ford OBDII code related to the Left Front Wheel Speed Sensor?

DIY enthusiasts with automotive experience can attempt to inspect and clean the sensor and its connections, but for accurate diagnosis and repair, it is recommended to consult a professional mechanic.

7. How much does it typically cost to repair a C0031 Ford OBDII code for the Left Front Wheel Speed Sensor?

The cost of repair can vary depending on the specific cause of the code, but it may range from $100 to $300 for parts and labor, excluding diagnostic fees.

8. Is the C0031 Ford OBDII code related to the Left Front Wheel Speed Sensor a common issue in Ford vehicles?

Yes, issues with wheel speed sensors leading to codes like C0031 are relatively common in Ford vehicles, especially as they age and components wear out.

9. Will resetting the OBDII code clear the issue with the Left Front Wheel Speed Sensor?

Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code. It is essential to diagnose and repair the problem to prevent further complications.

10. Can a malfunctioning Left Front Wheel Speed Sensor affect other vehicle systems?

Yes, a malfunctioning sensor can affect the proper operation of the ABS, traction control, and stability control systems, potentially compromising the vehicle's safety and performance.