AutoCodes – Generic – B2415

B2415 Code - Vehicle Speed Sensor Malfunction

Quick Answer

The Adaptive Front-lighting System (AFS) ECU receives signals indicating the front wheel speed from the Skid Control ECU using CAN communication. Common causes include Faulty Skid Control ECU, Faulty Adaptive Front-lighting System (AFS) ECU. 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: B2415 indicates Vehicle Speed Sensor Malfunction.
Common causes: Common causes include Faulty Skid Control ECU, Faulty Adaptive Front-lighting System (AFS) ECU.
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 4,575

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 Dec 08, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2415 Description

The Adaptive Front-lighting System (AFS) ECU receives signals indicating the front wheel speed from the Skid Control ECU using CAN communication. The Diagnostic Trouble Code (DTC) is set when a malfunction is detected in the Vehicle Speed Sensor.

OBDII Code B2415 - Vehicle Speed Sensor Malfunction - AutoCodes.com — B2415 Code - Vehicle Speed Sensor Malfunction

What does this mean?

What are the Possible Causes of the DTC B2415?

Faulty Skid Control ECU
Faulty Adaptive Front-lighting System (AFS) ECU

How to Fix the DTC B2415?

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 B2415 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 B2415 code?

Need more information on how to fix the B2415 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2415 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2415 Hyundai — Passenger Air Mix Door Motor
B2415 KIA — Passenger Air Mix Door Motor
B2415 Lexus — Vehicle Speed Sensor Malfunction
B2415 Toyota — Vehicle Speed Sensor Malfunction

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 B2415 Code

1. What are the common symptoms of OBDII code B2415, Vehicle Speed Sensor Malfunction?

- Common symptoms include erratic speedometer readings, inability to shift gears smoothly, and the illumination of the check engine light.

2. What are the possible causes of a Vehicle Speed Sensor Malfunction (code B2415)?

- Possible causes include a faulty vehicle speed sensor, damaged wiring or connectors, issues with the speedometer itself, or a malfunction in the vehicle's transmission system.

3. How can I diagnose a Vehicle Speed Sensor issue related to code B2415?

- To diagnose a Vehicle Speed Sensor issue, you can use an OBDII scanner to retrieve the trouble code, visually inspect the sensor and its connections, and perform a road test to observe speedometer behavior.

4. Can a Vehicle Speed Sensor Malfunction (code B2415) affect the vehicle's performance?

- Yes, a Vehicle Speed Sensor malfunction can impact the vehicle's performance by causing issues with speed regulation, gear shifting, and overall drivability.

5. Is it safe to drive with OBDII code B2415 triggered for a Vehicle Speed Sensor Malfunction?

- It is not recommended to drive with a Vehicle Speed Sensor Malfunction as it can lead to inaccurate speed readings, potential transmission problems, and compromised safety on the road.

6. How can I repair a Vehicle Speed Sensor issue causing code B2415?

- Repairing a Vehicle Speed Sensor issue may involve replacing the faulty sensor, repairing damaged wiring, ensuring proper sensor alignment, or resetting the vehicle's computer system.

7. Can a Vehicle Speed Sensor Malfunction (code B2415) be fixed without professional help?

- Depending on your mechanical skills and access to tools, you may be able to address a Vehicle Speed Sensor issue yourself by following repair guides or seeking assistance from online forums.

8. Will resetting the vehicle's computer system resolve OBDII code B2415 for a Vehicle Speed Sensor Malfunction?

- Resetting the vehicle's computer system may temporarily clear the code, but if the underlying issue with the Vehicle Speed Sensor is not addressed, the code is likely to reappear.

9. How critical is it to address OBDII code B2415, Vehicle Speed Sensor Malfunction promptly?

- It is important to address OBDII code B2415 promptly as ignoring a Vehicle Speed Sensor issue can lead to inaccurate speed readings, transmission problems, and potential safety hazards.

10. Is it necessary to replace a Vehicle Speed Sensor to resolve code B2415, or are there other potential solutions?

- While replacing a faulty Vehicle Speed Sensor is a common solution for resolving code B2415, it is essential to diagnose the root cause accurately to determine if other repairs or adjustments may be necessary.