N798 – Rear Passenger Doors May Not Latch Properly – 2017-2020 Land Rover Discovery

June 1, 2023 NHTSA CAMPAIGN NUMBER: 23V393000

Rear Passenger Doors May Not Latch Properly

Rear passenger doors that open while driving can increase the risk of a crash. An instrument cluster warning light that fails to alert the driver about unsecured doors can increase the risk of injury in the event of a crash.

 

NHTSA Campaign Number: 23V393

Manufacturer JaguareBay logo Land RovereBay logo North America, LLC

Components ELECTRICAL SYSTEM, LATCHES/LOCKS/LINKAGES

Potential Number of Units Affected 29,861

 

Summary

JaguareBay logo Land RovereBay logo North America, LLC (Land RovereBay logo) is recalling certain 2017-2020 Land RovereBay logo Discovery vehicles. The UniLatch Keyless Vehicle (KV) entry function may fail to properly latch the rear passenger doors, which can result in the doors opening while driving. In addition, the instrument cluster open-door warning light may fail to alert the driver of this condition.

 

Remedy

Dealers will disable the UniLatch Keyless Vehicle (KV) entry function, free of charge. Owner notification letters are expected to be mailed July 28, 2023. Owners may contact Land RovereBay logo customer service at 1-800-637-6837. Land RovereBay logo’s number for this recall is N798.

 

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 Land Rover has a Recall

 


FOR THE ATTENTION OF NORTH AMERICAN TERRITORIES ONLY:

National Highway Traffic Safety Administration (NHTSA) reference number: 23V-393.

Visit the British Brands Sales Suite (BBSS) website for a list of affected vehicles at your retailer/authorized repairer. Unsold vehicles must be repaired prior to handover of the vehicle for retail sale.

 

REGULATORY INFORMATION

JaguareBay logo Land RovereBay logo North America, LLC have informed the National Highway Traffic Safety Administration (NHTSA) of their intent to perform a Safety Recall on certain 2017 to 2020 Model Year Discovery vehicles imported into the United States markets. Information relating to this Safety Recall will be posted on the NHTSA website.

This Safety Recall Administration Bulletin serves as notification to all retailers in United States markets that any new affected vehicles may not be sold and delivered for customer use until the Safety Recall repair is completed. Violation of this requirement by a retailer/authorized repairer could result in a maximum civil penalty of up to the equivalent of $26,315.00 USD per violation and the equivalent of $131,564,183.00 USD for a related series of violations.

 

DESCRIPTION OF ISSUE AND THE EFFECT ON VEHICLE OPERATION

A concern has been identified on certain 2017 to 2020 Model Year Land RovereBay logo Discovery vehicles where customers have reported a rear passenger door is unlatched when in the closed position and no reported indication provided of an unlatched condition on the instrument cluster. Some customers have reported that a rear passenger door has opened while the vehicle was in motion.

Rear passenger doors not latched may during driving, open. This can increase the risk of a vehicle crash or compromise the safety of vehicle occupants.

 

OWNER NOTIFICATION

Initial owner notification is expected to occur on or before 15th June 2023.

 

ACTION TO BE TAKEN

Check the JLR Warranty Portal to make sure affected vehicles are correctly identified prior to starting this campaign. The Warranty Portal will be updated to reflect only those vehicles affected.

Retailers/authorized repairers are required to Quarantine affected new vehicles that are within your control and refrain from releasing the vehicles for new vehicle sale pending completion of the rework action. Affected vehicles already with customers should be updated at the next available opportunity. JLR North America recommends that affected sales demonstrator and loaner vehicles are repaired before use and that used vehicles are repaired before sale. Retailers/authorized repairers who choose to proceed against this recommendation, where legally permitted, must clearly and conspicuously disclose the open recall to the applicable customers.

The Safety Recall repair procedures and any required parts are not currently available. A Safety Recall repair campaign will be published when all repair procedures and all required parts and/or software are available. This is expected to be completed by TBD.

Retailers/authorized repairers are reminded that they must not sell vehicles identified as affected by this campaign until such time as the repair has been successfully completed.

 


573.6 (c) (6) – Chronology of Events (Recall N798) 

A Product Safety and Compliance Committee (PSCC) investigation was opened on January 21,  2020, following an increased number of reports from retailers for rear vehicle doors opening whilst in motion.

The PSCC requested a JaguareBay logo Land RovereBay logo Engineering team to investigate the issue to understand the nature of the failure mode and the scope of the issue. The supplier was also commissioned to review failed parts returned from the market and complete a thorough analysis.

Through March and April, 2020, the engineering team regularly updated the PSCC on the progress on the investigation to include updates from the supplier on returned failed rear door latches.

In May, 2020, the team confirmed the 17MY to 19MY Discovery rear door latch sealing system could allow a water flow path into an area where it could enter the rear door latch and ingress into the Keyless Vehicle KV (fast-latch) actuator housing.

The supplier analysis found that water could enter the latch system. This analysis also revealed that the KV motor bearings were corroded as a result of exposure to water in what was, by latch design intended to be a dry environment.  This corrosion is progressive and can lead to a state where the KV actuator motor is able to generate enough torque to overcome the friction caused by the corrosion, but the return spring torque is unable to return the KV actuation lever to the home position. This can leave the latch in a state that does not secure the door shut. The door can appear to be secured yet can open while the vehicle is in motion.

The PSCC requested the team to conduct an analysis into the pattern and trend of latch failures in all markets to determine the scope of the issue and any environmental and vehicle use conditions that could contribute significantly to water ingress into the KV mechanism.

The PSCC reviewed the scope and market environmental analysis in June, 2020. The investigation confirmed the scope was limited to 17MY to 19MY Discovery vehicles built up to October 30, 2018, where a revision in the door latch design was implemented. The scope of the concern was also acknowledged as limited to certain countries where there was an elevated rate of doors open whilst in motion on vehicles built up to the introduction of the revised design door latch assembly which presented unique environmental conditions leading to water ingress into the latch and corrosion of the sinter bearing.

On June 23, 2020, the PSCC concluded this issue be progressed to the RDC for consideration.

At the RDC on June 25, 2020, the team concluded that the in the markets where an elevated rate of report of doors open whilst vehicle in motion exists, the concern represented an unreasonable risk to safety and the voluntarily N475 safety recall campaign was launched (Recall N475 was submitted to NHTSA on July 2, 2020, as a Foreign Defect Notice and assigned 20F119.). RDC also requested that field data continued to be monitored for any additional reports of the same condition for markets not included in the scope of the N475 recall or reports of occurrences outside of the N475 vehicle build date range.

As instructed, PSCC continued to monitor field data throughout 2020 to monitor for any further claims in all markets of doors opening in motion following the launch of the N475 recall campaign.

The engineering team returned to inform the PSCC on their continued monitoring of claims data on January 12, 2021. Engineering reported identification of a further 3 markets with an elevated rate of doors opening whilst vehicle in motion and an elevated rate for markets, where the N475 recall was conducted, for vehicles built after the original cut-off point.

The PSCC requested engineering to confirm all data and the scope of vehicles along with determination of related changes made by the supplier and robustness of these changes to the latch including protection from water ingress. On January 19, 2021, engineering returned to the PSCC and advised that there were doubts about the build quality of door latches manufactured from the original cut-off point in October, 2019, and the supplier had made further process improvements on or around February 13, 2020. Reviews of trend data also revealed elevated claim rates in 3 further markets. The PSCC progressed the issue to the RDC.

At the RDC on January 21,2021, the committee reviewed all the data and concluded that the recall range should be extended to February 13, 2020, in markets with elevated claims rates. To identify this extended population and new markets, JaguareBay logo Land RovereBay logo have issued this recall campaign with the recall number N541 (Recall N541 was submitted to NHTSA to expand the population of N475 on January 28, 2021, as a Foreign Defect Notice and amended 20F119.).

On March 14, 2023, this issue was reviewed following further field reports.

During April, 2023, data of further field reports was analyzed and presented to the PSCC. The data was normalized to ensure meaningful comparisons between current and past occurrences was completed to then determine if further, additional markets were exhibiting the same or similar rates as for markets already subject to recall action. The scope of the issue was also reviewed to define at risk model years and related vehicle specifications.

On May 23, 2023, the conclusions of the analysis of field reports and failure rates was presented to the PSCC. Following the feedback received the PSCC identified additional markets exhibiting the same or similar data patterns as those markets where it’s been previously determined there is an unreasonable risk to safety. It was agreed that the issue be progressed to the Recall Determination Committee (RDC) for consideration.

On May 25, 2023, the RDC concluded that in the additional markets where an elevated rate of reports of doors open whilst in motion exists, the concern represented an unreasonable risk to safety and a voluntary safety recall be conducted.

There have been no reported accidents or injuries as a result of this concern.

JLR has received 75 field reports in the US relating to this issue dating from August 18, 2018, to February 14, 2023.

 


4 Affected Products

Vehicle

MAKEMODELYEAR
LAND ROVEReBay logoDISCOVERY2017-2020

 


5 Associated Documents

Recall N798 Chronology Revised

RMISC-23V393-3658.pdf 45.661KB

 


Recall Acknowledgement

RCAK-23V393-8247.pdf 645.185KB

 


Recall 573 Report – June 2, 2023

RCLRPT-23V393-7333.PDF 236.742KB

 


Defect Notice 573 Report

RCLRPT-23V393-9154.PDF 236.737KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-23V393-7234.pdf 80.363KB

 


Latest Recalls Documents

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=23V393&docType=RCL

 


 

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