24LA03 – Airbag May Not Deploy Properly – 2018-2021 Lexus LS500 & 2018-2020 LS500h

April 17, 2024 NHTSA CAMPAIGN NUMBER: 24V275000

Front Air Bag May Not Deploy Properly/FMVSS 208

Incorrect detection of an occupant may result in improper air bag deployment during a crash, increasing the risk of injury.

 

NHTSA Campaign Number: 24V275

Manufacturer Toyota Motor Engineering & Manufacturing

Components AIR BAGS

Potential Number of Units Affected 509

 

Summary

Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2021 Lexus LS500 and 2018-2020 Lexus LS500 Hybrid vehicles equipped with the “Executive Package.” The front passenger seat may have been assembled with interference between internal parts that can cause the Occupant Classification System (OCS) sensor to incorrectly detect the occupant. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 208, “Occupant Crash Protection.”

 

Remedy

Dealers will inspect and repair the front passenger seat, as necessary, free of charge. Owner notification letters are expected to be mailed June 2, 2024. Owners may contact Toyota customer service at 1-800-331-4331. Toyota’s number for this recall is 24LA03.

 

Notes

Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

 

Check if your Vehicle has a Recall

 


SAFETY NONCOMPLIANCE RECALL 24LA03 (Remedy Notice)

Certain 2018-2021 Model Year LS500 Vehicles
Certain 2018-2020 Model Year LS500h Vehicles
Airbag May Not Deploy Properly

 

On April 17,2024 Lexus filed a Noncompliance Information Report (NCIR) with the National Highway Traffic Safety Administration (NHTSA) informing the agency of our intent to conduct a voluntary Safety Noncompliance Recall on certain 2018-2021 model year LS500 vehicles and certain 2018-2020 model year LS500h vehicles.

 

Condition

The Occupant Classification System (OCS) sensor in the front passenger seat may not operate as designed and can affect airbag deployment. This can result in a noncompliance with safety requirements in some regions or countries and can increase the risk of an injury to a front seat passenger in a crash.

 

Remedy 

For all involved vehicles, Lexus dealers will inspect the front passenger seat, and, if necessary, adjust a stopper and seat frame assembly near the sensor and recalibrate the system FREE OF CHARGE.

 

Covered Vehicles

There are approximately 500 vehicles covered by this Safety Noncompliance Recall. No vehicles were distributed to Puerto Rico

 

Owner Letter Mailing Date

Lexus will notify owners by early June 2024

Lexus makes significant effort to obtain current Guest name and address information from each state through industry resources when mailing owner letters. In the event your dealership receives a notice for a vehicle that was sold prior to the Safety Recall announcement, it is the dealership’s responsibility to forward the owner letter to the Guest who purchased the vehicle.

Please note that only owners of the covered vehicles will be notified. If you are contacted by an owner who has not yet received a notification, please verify eligibility by confirming through TIS prior to performing repairs. Dealers should perform the repair as outlined in the Technical Instructions found on TIS.

 


Frequently Asked Questions
Original Publication Date: April 17, 2024

Q1: What is the condition?

A1: The Occupant Classification System (OCS) sensor in the front passenger seat may not operate as designed and can affect airbag deployment. This can result in a noncompliance with safety requirements in some regions or countries and can increase the risk of an injury to a front seat passenger in a crash.

 

Q1a: What is the Occupant Classification System (OCS)?

A1a: It is a system that calculates the occupant load on the front passenger seat with a sensor in order to determine the airbag deployment strategy.

 

Q2a: What should you do?

A2a: Until the vehicle is inspected, Lexus recommends that no one sit in the front passenger seat. Please contact your dealer to schedule the inspection.

 

Q2: What is Lexus going to do?

A2: For all involved vehicles, Lexus dealers will inspect the front passenger seat, and, if necessary, adjust a stopper and seat frame assembly near the sensor and recalibrate the system FREE OF CHARGE.

 

Q3: Which and how many vehicles are covered by this Safety Noncompliance Recall?

A3: There are approximately 500 vehicles covered by this Safety Noncompliance Recall.

Model NameModel YearProduction Period
LS5002018-2021Early August 2017– Early April 2021
LS500h2018-2020Late February 2017 – Early June  2020

 

Q4: How long will the repair take?

A4: The repair takes approximately 45 minutes. However, depending upon the dealer’s work schedule, it may be necessary to make the vehicle available for a longer period of time.

 

Q5: What if I previously paid for repairs related to this Safety Noncompliance Recall?

A5: Reimbursement consideration instructions will be provided in the owner letter.

 

Q6: How does Lexus obtain my mailing information?

A6: Lexus uses an industry provider who works with each state’s Department of Motor Vehicles (DMV) to receive registration or title information, based upon the DMV records. Please make sure your registration or title information is correct.

 

Q7: What if I have additional questions or concerns?

A7: Owners with questions or concerns are asked to please contact the Lexus Brand Engagement Center (1-800-255-3987) – Monday through Friday, 8:00 am to 8:00 pm, Saturday 9:00 am to 7:00 pm Eastern Time.

 


Description of Noncompliance:

The subject vehicles are equipped with a 10-way power front passenger seat, unique to the “Executive Package”, that contains a long seat slide rail to allow for the seat to move forward and create room for rear seat footrest activation. The front passenger seat contains an Occupant Classification System (OCS) that provides input to the Supplemental Restraint System to determine the deployment strategy of the front passenger airbag, depending on the occupant load. There is a possibility that a stopper and the seat frame near the OCS sensor were assembled with variations that created interference between these parts, causing the OCS sensor to incorrectly detect the occupant load. As such, the subject vehicles may not meet the requirements of FMVSS No. 208, paragraphs S5.1.1(b)(2), S5.1.2(b), S16.1(a)(2), S16.1(b), S17, and S20.2. If the OCS does not detect the occupant load correctly, the front passenger airbag may not deploy as designed in the event of a crash, increasing the risk of injury to an occupant in the front passenger seat.

 

Test Results and Other Information:

After conducting a recall (NHTSA Campaign Number 22V-519) concerning the OCS in another model, Toyota continued to investigate other models with a similar stopper and seat frame structure. The investigation involved recovering seat adjuster subassemblies from vehicles in the field to check for potential seat slide adjuster interference. Between June and November of 2023, in-use parts were recovered and sent to the supplier for evaluation. The supplier tested recovered parts in September, October, November of 2023 and January 2024 to evaluate if any interference found in LS long slide seat adjuster subassemblies could affect an output value of an OCS.

On April 11, 2024, Toyota determined that it is possible for an inaccurate reading from an OCS sensor to cause the front passenger airbag to not deploy as designed in the event of a crash on LS vehicles with the long slide seat adjuster. As such, the involved vehicles may not meet some portions of the requirements of FMVSS No. 208, paragraphs S5.1.1(b)(2), S5.1.2(b), S16.1(a)(2), S16.1(b), S17, and S20.2.

 

Description of Corrective Repair Action:

All known owners of the subject vehicles will be notified to return their vehicles to a Lexus dealer. The dealers will inspect to determine whether there is interference between the seat frame and stopper. If interference is found, the stopper will be adjusted and the OCS will be re-calibrated.

 

Reimbursement Plan for pre-notification remedies

The owner letter will instruct vehicle owners who have paid to have this condition remedied prior to this campaign to seek reimbursement pursuant to Toyota’s General Reimbursement Plan.

 

Recall Schedule:

Notifications to owners of the affected vehicles will occur by June 16 , 2024. A copy of the draft owner notification will be submitted as soon as it is available.

 


Airbag May Not Deploy Properly – 2018-2021 Lexus LS500 & 2018-2020 LS500h

 

 


7 Affected Products

Vehicles

MAKEMODELYEAR
LEXUSLS2018-2021
LEXUSLS HYBRID2018-2020

 


6 Associated Documents

Manufacturer Notices(to Dealers,etc)

RCMN-24V275-0361.pdf 383.57KB

 


Noncompliance Notice 573 Report

RCLRPT-24V275-7192.PDF 216.432KB

 


Miscellaneous Document

RMISC-24V275-8183.pdf 26.619KB

 


Recall Acknowledgement

RCAK-24V275-6156.pdf 645.482KB

 


Remedy Instructions and TSB

RCRIT-24V275-1914.pdf 840.034KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-24V275-1046.pdf 411.231KB

 


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