AutoCodes – Toyota – C1331 Toyota

C1331 Toyota Code - Open In Front Speed Sensor Left

Quick Answer

Each speed sensor detects 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: C1331 Toyota indicates Open In Front Speed Sensor Left.
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.

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Code Popularity 24,486

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 Sep 06, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code C1331 Toyota Description

Each speed sensor detects wheel speed and sends the appropriate signals to the Skid Control ECU. These signals are used by the ABS control system. The speed sensor rotors have 48 serrations. Hall IC type speed sensors use the frequency of output pulses to detect the vehicle speed. Because the sensor outputs digital pulses, it can detect the vehicle speed even when the vehicle is nearly stationary.

OBDII Code C1331 Toyota - Open In Front Speed Sensor Left - AutoCodes.com — C1331 Toyota Code - Open In Front Speed Sensor Left

What does this mean?

What are the Possible Causes of the DTC C1331 Toyota?

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 C1331 Toyota?

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 C1331 Toyota 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 C1331 Toyota code?

Need more information on how to fix the C1331 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the C1331 Toyota 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 C1331 Toyota Code

1. What are the common symptoms of OBDII code C1331 Toyota (Open In Front Speed Sensor Left)?

Symptoms may include the ABS light on the dashboard illuminating, traction control system malfunctions, and potential loss of stability control.

2. What does the OBDII code C1331 Toyota indicate?

The code C1331 indicates an open circuit in the front left wheel speed sensor of the vehicle.

3. What are the possible causes of OBDII code C1331 Toyota?

Potential causes include a damaged or corroded wheel speed sensor harness, a faulty wheel speed sensor, or poor electrical connections.

4. How can I diagnose the issue related to OBDII code C1331 Toyota?

You can use a diagnostic scanner to read the code, inspect the front left wheel speed sensor and its wiring harness for damage, and check the connections for corrosion or looseness.

5. How can I repair OBDII code C1331 Toyota?

Repair options include repairing or replacing the damaged wiring harness, replacing the faulty front left wheel speed sensor, and ensuring all electrical connections are secure.

6. Can driving with OBDII code C1331 Toyota cause further damage?

Continuing to drive with this code may affect the vehicle's ABS and stability control systems, potentially compromising safety and performance.

7. Will resetting the OBDII code C1331 Toyota make the issue go away?

Resetting the code may temporarily turn off the warning light, but it will not fix the underlying issue causing the open circuit in the front left wheel speed sensor.

8. How much does it typically cost to repair OBDII code C1331 Toyota?

The cost can vary depending on the extent of the damage and whether you choose to repair it yourself or take it to a professional mechanic. Expect costs for parts and labor.

9. Can I fix OBDII code C1331 Toyota myself, or should I seek professional help?

If you have the necessary tools and experience working on automotive electrical systems, you may be able to diagnose and repair the issue yourself. Otherwise, it's recommended to seek professional help.

10. How urgent is it to address OBDII code C1331 Toyota?

It's important to address this issue promptly to ensure the proper functioning of the ABS and stability control systems in your vehicle. Ignoring the problem could lead to safety hazards and further damage.