AutoCodes – Toyota – B2424 Toyota

B2424 Toyota Code - Headlight Leveling Motor Left Communication Malfunction

Quick Answer

The Headlight Swivel Motor (leveling portion) operates by receiving a signal from the Adaptive Front-lighting System (AFS) ECU. Common causes include Faulty Headlight Leveling Motor Left, Headlight Leveling Motor Left harness is open or shorted, Headlight Leveling Motor 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
B2424 Toyota indicates Headlight Leveling Motor Left Communication Malfunction.
Common causes
Common causes include Faulty Headlight Leveling Motor Left, Headlight Leveling Motor Left harness is open or shorted, Headlight Leveling Motor 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 9,735
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Dec 08, 2019
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Code B2424 Toyota Description

The Headlight Swivel Motor (leveling portion) operates by receiving a signal from the Adaptive Front-lighting System (AFS) ECU. The AFS ECU detects the headlight swivel motor (leveling portion) status using the signal from the headlight swivel motor (leveling portion). The Diagnostic Trouble Code (DTC) sets when a malfunction or open or short in the Headlight Swivel Motor Left (leveling portion) communication circuit is detected.
OBDII Code B2424 Toyota - Headlight Leveling Motor Left Communication Malfunction - AutoCodes.com
B2424 Toyota Code - Headlight Leveling Motor Left Communication Malfunction

What are the Possible Causes of the DTC B2424 Toyota?

  • Faulty Headlight Leveling Motor Left
  • Headlight Leveling Motor Left harness is open or shorted
  • Headlight Leveling Motor Left circuit poor electrical connection
  • Faulty Headlight Unit Assembly Left
  • Faulty Adaptive Front-lighting System (AFS) ECU

How to Fix the DTC B2424 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 B2424 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 B2424 Toyota code?

Need more information on how to fix the B2424 Toyota code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2424 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 B2424 Toyota Code

1. What are the common symptoms of OBDII code B2424 Toyota (Headlight Leveling Motor Left Communication Malfunction)?

- Common symptoms include malfunctioning headlight leveling system, uneven headlight beam alignment, and dashboard warning light illumination.

2. What are the possible causes of code B2424 in a Toyota?

- The code B2424 can be triggered by issues such as a faulty headlight leveling motor, damaged wiring or connectors, a malfunctioning control module, or a communication error within the system.

3. How can I diagnose the cause of OBDII code B2424 in my Toyota?

- Diagnose the issue by inspecting the headlight leveling motor, checking the wiring and connectors for damage, testing the control module for functionality, and using a diagnostic scanner to pinpoint communication errors.

4. What are some repair tips for fixing a Headlight Leveling Motor Left Communication Malfunction?

- Start by checking the headlight leveling motor and its connections. Verify the wiring harness for any signs of damage or corrosion. Reset the system and clear the error code to see if it returns.

5. Can I drive my Toyota with OBDII code B2424 present?

- It is generally safe to drive with this code present, but it is recommended to address the issue promptly to ensure proper functioning of the headlight leveling system for optimal visibility.

6. How much does it typically cost to repair OBDII code B2424 in a Toyota?

- The cost of repairing code B2424 can vary depending on the exact cause of the issue. Costs may include parts replacement, labor fees, and diagnostic charges, which can range from a few hundred to over a thousand dollars.

7. Is it possible to reset the OBDII code B2424 in a Toyota without repairing the issue?

- While you can reset the code using an OBDII scanner, it is not recommended to do so without addressing the underlying problem as the issue will likely reoccur, and proper functioning of the headlight leveling system may be compromised.

8. Can a DIY enthusiast fix OBDII code B2424 in a Toyota at home?

- Depending on the cause of the issue, DIY enthusiasts with automotive repair experience may be able to address code B2424 by inspecting and repairing the headlight leveling system components, wiring, and connections.

9. Will OBDII code B2424 cause my Toyota to fail an emissions test?

- Code B2424 is related to the headlight leveling system and should not cause your Toyota to fail an emissions test as it does not directly impact emissions control functions.

10. How can I prevent OBDII code B2424 from occurring in my Toyota in the future?

- To prevent code B2424, perform regular maintenance checks on the headlight leveling system, keep the wiring and connectors in good condition, and address any issues promptly to avoid communication malfunctions.

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