24S06 – Inadvertent Retractor Pretensioner Deployment – 2018-2020 Ford Expedition & Lincoln Navigator

February 9, 2024 NHTSA CAMPAIGN NUMBER: 24V099000

Seat Belt May Lock and Fail to Retract or Extend

Seat belts that do not retract or extend may fail to restrain an occupant as intended, increasing the risk of injury in a crash.

 

NHTSA Campaign Number: 24V099

Manufacturer FordeBay logo Motor Company

Components SEAT BELTS

Potential Number of Units Affected 77,574

 

Summary

FordeBay logo Motor Company (FordeBay logo) is recalling certain 2018-2020 Expedition and LincolneBay logo Navigator vehicles. The seat belt pretensioner in the driver and/or front passenger seat may inadvertently deploy and lock the seat belt, which will not allow the belt to retract or extend.

 

Remedy

Dealers will inspect and replace the seat belt retractors, as necessary. Additionally, dealers will install an HVAC drain tube elbow if it is missing. Repairs will be performed free of charge. Interim owner notification letters explaining the safety risk are expected to be mailed March 4, 2024. A second notice will be sent once remedy parts become available, anticipated second half of 2024. Owners may contact FordeBay logo customer service at 1-866-436-7332. FordeBay logo’s number for this recall is 24S06.

 

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

 


February 12, 2024

NEW VEHICLE DEMONSTRATION / DELIVERY HOLD- Advance Notice
Safety Recall 24S06
Certain 2018-2020 Model Year FordeBay logo Expedition and LincolneBay logo Navigator Vehicles
Inadvertent Retractor Pretensioner Deployment

 

AFFECTED VEHICLES

Vehicle Model Year Assembly Plant Build Dates
FordeBay logo Expedition2018Kentucky1-Oct-2018 through 16-Oct-2018
FordeBay logo Expedition2019Kentucky1-Oct-2018 through 30-Jun-2019
FordeBay logo Expedition2020Kentucky12-Apr-2019 through 27-Apr-2019
LincolneBay logo Navigator2018Kentucky1-Oct-2018 through 15-Oct-2018
LincolneBay logo Navigator2019Kentucky1-Oct-2018 through 28-Jun-2019
LincolneBay logo Navigator2020Kentucky9-Apr-2019 through 27-Apr-2019

US population of affected vehicles: 77,515. Affected vehicles are identified in OASIS and FSA VIN Lists.

 

REASON FOR THIS SAFETY RECALL

On some of the affected vehicles, the driver and/or front passenger seatbelt retractor pretensioners may deploy inadvertently while the vehicle’s engine is on. Inadvertent deployment of the retractor pretensioner will result in the seatbelt being locked in position and will not retract or extend, which is noticeable to the occupant.  While the primary seatbelt locking functions continue to function properly, a seatbelt that does not retract or extend may result in injury in the event of a crash.

 

SERVICE ACTION

DO NOT DEMONSTRATE OR DELIVER any new in-stock vehicles involved in this safety recall. A complete Dealer Bulletin will be provided to dealers later in the second half of 2024, when it is anticipated that parts ordering information and repair instructions will be available to support this safety recall. For new vehicle storage guidelines, refer to EFC13033, Storage Guidelines for New Vehicles.

IMPORTANT: Dealers should open a Repair Order (RO) only when a full dealer bulletin is published. Opening an RO against an Awareness or Advance Notice will result in warranty rejections against a recall.

CUSTOMER NOTIFICATION

Owners of record will be notified via first-class mail after repair instructions and parts ordering information have been provided to dealers.

PLEASE NOTE:

Federal law requires dealers to complete this recall service before a new vehicle is delivered to the buyer or lessee. Violation of this requirement by a dealer could result in a civil penalty of up to $27,168 per vehicle. Correct all vehicles in your new vehicle inventory prior to delivery.

 

DEALER-OPERATED RENTAL VEHICLES

The Fixing America’s Surface Transportation (FAST) Act law effective June 2016 prohibits a rental company from selling, renting or leasing vehicles subject to a safety or compliance recall. Please consult your legal counsel for legal advice.

 


24S06 – CERTAIN 2018-2020 FORDeBay logo EXPEDITION AND LINCOLNeBay logo NAVIGATOR VEHICLES – DRIVER AND FRONT PASSENGER SEATBELT RETRACTOR PRETENSIONERS

Chronology of Defect / Noncompliance Determination 

Provide the chronology of events leading up to the defect decision or test data for the noncompliance decision.

 

On September 30, 2021, FordeBay logo’s Critical Concern Review Group (CCRG) opened an investigation into reports of inadvertent deployment of seatbelt retractor pretensioners on 2019 model year (MY) Expedition vehicles in Middle East regions. There were four reports of inadvertent deployment of seatbelt retractor pretensioners that occurred during July through September 2021.

Between October 2021 and January 2022, FordeBay logo and its Tier-1 supplier obtained field returned retractor pretensioners for analysis. The CCRG investigation identified that corrosion was present on the pretensioner squib pins where the bridge wire (heating element of pyro-technic device) is welded. However, no anomalies were identified during ballistic testing, helium leak testing and wiring reviews.

In February 2022, FordeBay logo conducted computer-aided-engineering (CAE) analysis and concluded that the system would meet regulatory requirements even if the retractor pretensioner did not correctly fire.

Between March and May 2022, long-term corrosion testing conducted with the Tier-2 supplier did not recreate the corrosion observed in the squibs of field returned parts.

In monitoring the warranty data from June 2022 to October 2022, CCRG observed that the rates of inadvertent deployments remained low. CCRG noted that incidents were occurring primarily within a clearly defined window of production from October 2018 through June 2019, indicating it could be a supplier quality concern. Additionally, the inadvertent deployments occurred only during the summer months.

Between October 2022 and February 2023, FordeBay logo verified that the Restraints Control Modules (RCMs) functioned as intended and the diagnostic signals increased the current within the predefined range in response to a high resistance or open circuit in the seatbelt retractor pretensioner squib, which would illuminate the airbag warning light. Other data indicated that the airbag warning light was on for an average period of 5.5 weeks prior to an inadvertent deployment, should one occur.

In March 2023, FordeBay logo engaged additional engineering resources to conduct further root cause analysis of inadvertent activation of the seatbelt retractor pretensioner. FordeBay logo needed to test several hypotheses on how corrosion was developing and why only some pretensioners in warmer climates were experiencing an inadvertent deployment while others only received an illumination of the airbag warning light. Through November 2023, additional testing and analyses were conducted on returned parts, new parts, and in-vehicle testing. Through this

 

February 09, 2024

process, CCRG learned that the main causal factors were likely (a) a byproduct of corrosion which requires a high moisture/water content sealed in the squibs and (b) partial separation at the weld between the inner pin and platinum bridge wire, whereby the RCM diagnostic signal has the ability to trigger an inadvertent deployment. However, the question remained as to how moisture could arrive inside the squibs and the team continued to test several hypotheses.

In November 2023, FordeBay logo met with NHTSA personnel from the Office of Defects Investigation and provided information on the status of its ongoing CCRG investigation and findings to date. Later in the month, NHTSA opened PE23-021 to further evaluate this topic.

In December 2023, CCRG undertook additional work to analyze vehicle environment factors that may contribute to the corrosion in the squib pins of the seatbelt retractor pretensioner. The CCRG team reviewed a drain seal change that occurred at the Start of Production in 2019. Although unproven, the CCRG theorizes that a water leak related to a drain seal on the right front floor related to air-conditioning usage may increase humidity when Max A/C is used for extended periods and contribute to pretensioner squib pin corrosion.

As of January 12, 2024, FordeBay logo is aware of 140 reports (119 unique VINs) for all markets, received from July 05, 2021, to January 06, 2024, for inadvertent retractor pretensioner deployment, primarily in warm-weather regions. The lifetime warranty projection was updated and indicated an elevated rate for inadvertent deployment for this defined sub-population of 2018-2019 model year Expeditions and Navigators.

On February 02, 2024, FordeBay logo’s Field Review Committee reviewed the concern and approved a field action.

FordeBay logo is aware of six reports of unspecified injury and five Vehicle Owner Questionnaires (VOQs) alleging injury pertaining to inadvertent deployment of seatbelt pretensioners. FordeBay logo is not aware of any reports of accident related to this condition.

###

 


6 Affected Products

Vehicles

MAKEMODELYEAR
FORDeBay logoEXPEDITION2018-2020
LINCOLNeBay logoNAVIGATOR2018-2020

 


4 Associated Documents

Recall Acknowledgement

RCAK-24V099-2897.pdf 645.575KB

 


Defect Notice 573 Report

RCLRPT-24V099-9714.PDF 216.184KB

 


Manufacturer Notices(to Dealers,etc)

RCMN-24V099-7095.pdf 44.852KB

 


Chronology of Defect / Noncompliance Determination

RMISC-24V099-9316.pdf 75.757KB

 


Latest Recalls Documents

For the Latest and Most recent Recall Information Visit the link below…

https://www-odi.nhtsa.dot.gov/acms/cs/documentList.xhtml?docId=24V099&docType=RCL

 


1 Associated Investigation

Seat Belt Pretensioner Inadvertent Deployment
NHTSA ID: PE23021
Dated opened: November 22, 2023

The Office of Defects Investigation (ODI) has received 10 complaints alleging seat belt pretensioner inadvertent deployment in model year 2019 FordeBay logo Expedition vehicles manufactured by FordeBay logo Motor Company. Some complaints allege hearing a loud, explosion-like sound immediately followed by the seatbelt tightening around the occupant’s torso area. The complaints also allege a burning smell and smoke filling the cabin of the vehicle after the incident. The complaints do not allege a crash occurred that may have resulted in the deployment of the pretensioner system. Seat belt pretensioner replacement is required after deployment to restore functionality.

ODI is opening this Preliminary Evaluation (PE) to determine the scope and severity of the potential problem and to fully assess the potential safety-related problems. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.

 


 

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