AutoCodes – Lexus – B2418 Lexus

B2418 Lexus Code - Headlight Beam Level Control Motor Right Malfunction

Quick Answer

The Headlight Swivel Motor (leveling portion) receives a signal from the Adaptive Front-lighting System (AFS) ECU to operate. Common causes include Faulty Headlight Swivel Motor Right (leveling portion), Headlight Swivel Motor Right harness is open or shorted, Headlight Swivel Motor Right 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: B2418 Lexus indicates Headlight Beam Level Control Motor Right Malfunction.
Common causes: Common causes include Faulty Headlight Swivel Motor Right (leveling portion), Headlight Swivel Motor Right harness is open or shorted, Headlight Swivel Motor Right 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 3,923

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 B2418 Lexus Description

The Headlight Swivel Motor (leveling portion) receives a signal from the Adaptive Front-lighting System (AFS) ECU to operate. The AFS ECU receives a signal indicating the operating conditions of the Headlight Swivel Motor (leveling portion).

OBDII Code B2418 Lexus - Headlight Beam Level Control Motor Right Malfunction - AutoCodes.com — B2418 Lexus Code - Headlight Beam Level Control Motor Right Malfunction

What does this mean?

What are the Possible Causes of the DTC B2418 Lexus?

Faulty Headlight Swivel Motor Right (leveling portion)
Headlight Swivel Motor Right harness is open or shorted
Headlight Swivel Motor Right circuit poor electrical connection
Faulty Adaptive Front-lighting System (AFS) ECU

How to Fix the DTC B2418 Lexus?

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 B2418 Lexus 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.

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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 B2418 Lexus Code

1. What are common symptoms of OBDII code B2418 on a Lexus related to the Headlight Beam Level Control Motor Right Malfunction?

Common symptoms include the headlight beam on the right side of the vehicle not adjusting properly, flickering or erratic movement of the headlight, or a warning light on the dashboard indicating a headlight issue.

2. What are possible causes of the OBDII code B2418 on a Lexus for the Headlight Beam Level Control Motor Right Malfunction?

Possible causes include a faulty headlight beam level control motor on the right side, a malfunctioning headlight control module, damaged wiring or connectors in the headlight system, or a problem with the vehicle's computer system.

3. How can I diagnose the OBDII code B2418 related to the Headlight Beam Level Control Motor Right Malfunction on my Lexus?

Diagnosis typically involves using an OBDII scanner to read the specific trouble code, visually inspecting the headlight system for any obvious issues, checking the wiring and connectors for damage, and testing the headlight beam level control motor for proper operation.

4. Can I still drive my Lexus with the OBDII code B2418 for the Headlight Beam Level Control Motor Right Malfunction?

While it may be possible to drive the vehicle with this code, it is not recommended as the malfunctioning headlight can affect visibility at night and compromise safety. It's best to address the issue promptly.

5. How can I repair the OBDII code B2418 on my Lexus for the Headlight Beam Level Control Motor Right Malfunction?

Repair options may include replacing the faulty headlight beam level control motor, repairing damaged wiring or connectors, resetting the headlight control module, or seeking assistance from a professional mechanic for a more thorough diagnosis and repair.

6. Is it safe to attempt a DIY repair for the OBDII code B2418 related to the Headlight Beam Level Control Motor Right Malfunction on my Lexus?

If you have experience working on automotive electrical systems and feel confident in your abilities, you may attempt a DIY repair. However, if you are unsure or unfamiliar with this type of repair, it is best to seek help from a qualified mechanic to avoid causing further damage.

7. How much does it typically cost to repair the OBDII code B2418 for the Headlight Beam Level Control Motor Right Malfunction on a Lexus?

The cost of repair can vary depending on the specific issue causing the code, the cost of parts, and the labor rates in your area. It is advisable to obtain quotes from multiple mechanics or repair shops to compare prices.

8. Can the OBDII code B2418 on a Lexus for the Headlight Beam Level Control Motor Right Malfunction cause any other problems in the vehicle?

While the primary issue is related to the headlight beam level control motor on the right side, unresolved issues with the headlight system can potentially lead to other electrical problems or impact the vehicle's overall performance. Addressing the code promptly is important.

9. Are there any preventive measures to avoid the OBDII code B2418 related to the Headlight Beam Level Control Motor Right Malfunction on a Lexus?

Regular maintenance and inspections of the headlight system, including checking for proper adjustment and functioning of the headlight beam level control motors, can help prevent issues that may trigger this trouble code.

10. Will resetting the OBDII code B2418 related to the Headlight Beam Level Control Motor Right Malfunction on my Lexus make the problem go away permanently?

Resetting the code may temporarily clear the warning light from the dashboard, but if the underlying issue causing the code is not addressed, the problem is likely to reoccur. It's important to diagnose and repair the root cause of the malfunction for a long-lasting solution.