NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes, Hydraulic complaints
13 reportsClear category filter100 miles · Jun 23, 2026
Service Brakes, HydraulicStructure
The contact owns a 2017 Lincoln MKX. The contact stated that while depressing the brake pedal, the vehicle veered to the right. Additionally, the vehicle shuddered while slowing down and while making a turn. The contact stated that while driving downhill and depressing the brake pedal, the vehicle jerked unexpectedly. The trunk …
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The contact owns a 2017 Lincoln MKX. The contact stated that while depressing the brake pedal, the vehicle veered to the right. Additionally, the vehicle shuddered while slowing down and while making a turn. The contact stated that while driving downhill and depressing the brake pedal, the vehicle jerked unexpectedly. The trunk warning light was illuminated. The contact was concerned about driving the vehicle. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic). The local dealer was contacted; however, the part for the recall repair was not available. The vehicle was not diagnosed or repaired. The manufacturer was contacted and informed the contact that the vehicle was not drivable. The contact was informed that the part was not yet available. The approximate failure mileage was 100.
NHTSA ODI #11745876
75,000 miles · May 11, 2026
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact received a recall notice for NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the parts were not available for the recall repair. The contact then stated while driving at at speeds, the brake pedal had become soft and spongy upon depression without warning. I…
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The contact owns a 2017 Lincoln MKX. The contact received a recall notice for NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the parts were not available for the recall repair. The contact then stated while driving at at speeds, the brake pedal had become soft and spongy upon depression without warning. In addition, the contact stated that a puddle of brake fluid would accumulate underneath the vehicle near the rear passenger tire. The contact called a local dealer in reference to the failure and was informed that a temporary fix can be made to the failure; the contact declined the repair. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was approximately 75,000.
NHTSA ODI #11736963
88,779 miles · Mar 12, 2026
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The brake pedal was soft and spongy. In addition, the service brake warning light was illuminated. The contact depressed the brake pedal to the floor, and …
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The contact owns a 2017 Lincoln MKX. The contact stated while driving at an undisclosed speed, the brake pedal was depressed; however, the vehicle failed to stop as intended. The brake pedal was soft and spongy. In addition, the service brake warning light was illuminated. The contact depressed the brake pedal to the floor, and the vehicle rolled forward before coming to a complete stop. The vehicle was driven to the residence of a friend. The failure reoccurred. The contact stated that the brake pedal was depressed to the floor to stop the vehicle. The contact's friend, who was an independent mechanic, diagnosed the vehicle and determined there was failure with rear passenger's side brake hose. The contact was informed that the rear passenger's side brake hose needed to be replaced. The vehicle was being repaired. The contact referenced NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the parts were not available for the recall repair. The manufacturer was not made aware of the failure. The failure mileage was approximately 88,779.
NHTSA ODI #11723951
Mileage unknown · Mar 9, 2026
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall re…
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The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.
NHTSA ODI #11723052
Mileage unknown · Feb 24, 2026
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was not contacted. The manufacturer was not made aware of the issue. The contact stated that the manufacturer had exce…
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The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was not contacted. The manufacturer was not made aware of the issue. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The contact had not experienced a failure.
NHTSA ODI #11720285
Mileage unknown · Feb 11, 2026
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the rec…
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The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was not made aware of the issue. The contact had not experienced a failure.
NHTSA ODI #11717372
Mileage unknown · Feb 10, 2026
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was contacted. The dealer confirmed that parts were not yet available. The contact stated that the manufacturer had ex…
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The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic); however, the part to do the recall repair was not yet available. The dealer was contacted. The dealer confirmed that parts were not yet available. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recall repair. The manufacturer was made aware of the issue. The contact had not experienced a failure.
NHTSA ODI #11717053
Mileage unknown · Dec 22, 2025
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic). The contact called the local dealer. The vehicle was not diagnosed or repaired due to parts being on back order. The contact called another local dealer, Rosen Ford Belleville (222 County Hwy PB…
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The contact owns a 2017 Lincoln MKX. The contact received notification of NHTSA Campaign Number: 25V544000 (Service Brakes, Hydraulic). The contact called the local dealer. The vehicle was not diagnosed or repaired due to parts being on back order. The contact called another local dealer, Rosen Ford Belleville (222 County Hwy PB, Belleville, WI 53508); and it was confirmed that parts were on back order. The manufacturer was contacted, but no additional assistance was provided. The contact had not experienced a failure.
NHTSA ODI #11706567
90,000 miles · Sep 11, 2025
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact stated while driving approximately 30-40 MPH and depressing the brake pedal, the vehicle failed to respond. The contact stated that the vehicle was coasted downhill to decelerate. The contact pulled into a parking lot and engaged the parking brake to stop the vehicle. No warning l…
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The contact owns a 2017 Lincoln MKX. The contact stated while driving approximately 30-40 MPH and depressing the brake pedal, the vehicle failed to respond. The contact stated that the vehicle was coasted downhill to decelerate. The contact pulled into a parking lot and engaged the parking brake to stop the vehicle. No warning light was illuminated. An independent mechanic was contacted. The vehicle was towed to an independent mechanic, where it was diagnosed that the rear brake hoses needed to be replaced. The vehicle was repaired. The contact related the failure to NHTSA Campaign Number: 25V544000(Service Brakes, Hydraulic). The manufacturer was not notified of the failure. The failure mileage was approximately 90,000.
NHTSA ODI #11686688
70,000 miles · Jun 23, 2023
Service Brakes, Hydraulic
The contact owns a 2017 Lincoln MKX. The contact stated that while driving at an undisclosed speed with the brake pedal depressed to the floorboard, the vehicle failed to come to a complete stop. The contact stated that the brake pedal had to be manually raised to the normal upright position. Upon visual inspection, the contact …
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The contact owns a 2017 Lincoln MKX. The contact stated that while driving at an undisclosed speed with the brake pedal depressed to the floorboard, the vehicle failed to come to a complete stop. The contact stated that the brake pedal had to be manually raised to the normal upright position. Upon visual inspection, the contact observed brake fluid leaking from the rear brake lines underneath the vehicle. The brake fluid warning light was illuminated prior to the failure. The vehicle was taken to an independent mechanic, who determined that the passenger’s side rear brake hose had ruptured. The vehicle was repaired, but the failure later occurred on the driver’s side rear brake hose. After investigating the failure, the contact related it to NHTSA Campaign Number: 20V469000 (Service Brakes, Hydraulic). The manufacturer was notified of the failure, and a case was opened. The failure mileage was 70,000.
NHTSA ODI #11528575
Official recalls
5Aug 22, 2025
Ford Motor Company (Ford) is recalling certain 2016-2018 Lincoln MKX and 2015-2018 Edge vehicles. The rear brake jounce hose may rupture and leak brake fluid.
Consequence & remedy
Consequence: A brake fluid leak can extend the distance required to stop the vehicle, increasing the risk of a crash.
Remedy: Dealers will inspect and replace the brake jounce hoses and adjust brake jounce hoses with no damage present, free of charge. Interim owner letters notifying owners of the safety risk were mailed September 8, 2025. Additional letters will be sent once the remedy is available, anticipated August 2026. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 25S87.
Aug 10, 2020
Ford Motor Company (Ford) is recalling certain 2015-2018 Ford Edge and 2016-2018 Lincoln MKX vehicles. The front brake hoses may rupture prematurely.
Consequence & remedy
Consequence: A ruptured front brake hose will cause a brake fluid leak, lengthening the distance needed to stop the vehicle, increasing the risk of a crash.
Remedy: Ford will notify owners, and dealers will replace the front brake hoses with the new hoses that have a revised braid material, free of charge. Owner notification letters were mailed on May 13, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S42.
Additional source detail variants (2)
Service Brakes
Ford Motor Company (Ford) is recalling certain 2015-2018 Ford Edge and 2016-2018 Lincoln MKX vehicles. The front brake hoses may rupture prematurely.
Consequence: A ruptured front brake hose will cause a brake fluid leak, lengthening the distance needed to stop the vehicle, increasing the risk of a crash.
Remedy: Ford will notify owners, and dealers will replace the front brake hoses with the new hoses that have a revised braid material, free of charge. Owner notification letters were mailed on May 13, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S42.
Service Brakes, Hydraulic:foundation Components:hoses, Lines/piping, And Fittings
Ford Motor Company (Ford) is recalling certain 2015-2018 Ford Edge and 2016-2018 Lincoln MKX vehicles. The front brake hoses may rupture prematurely.
Consequence: A ruptured front brake hose will cause a brake fluid leak, lengthening the distance needed to stop the vehicle, increasing the risk of a crash.
Remedy: Ford will notify owners, and dealers will replace the front brake hoses with the new hoses that have a revised braid material, free of charge. Owner notification letters were mailed on May 13, 2021. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 20S42.
Jul 17, 2020
Ford Motor Company, Inc. (Ford) is recalling certain 2016-2018 Lincoln MKX and 2019-2020 Nautilus vehicles equipped with 16-way electric tilt seats. The seat cushion frame edge may contact the wire harness when the seat occupant uses the tilt function of the seat, potentially damaging one or more wires within the harness, which can result in either inadvertent deployment of the air bag or nondeployment of the air bag in the event of a crash.
Consequence & remedy
Consequence: An air bag that deploys inadvertently increases the risk of a crash. An air bag that does not deploy in the event of a crash increases the risk of injury.
Remedy: Ford will notify owners, and dealers will install protective flocking tape onto the exposed edge of the 16-way seat cushion frames, and inspect the wire harness for damage, and repair or replace it as needed, free of charge. This recall began August 12, 2020. Owners may contact Ford/Lincoln customer service at 1-866-436-7332. Ford's number for this recall is 20S37.
Additional source detail variants (3)
Seats:front Assembly:power Adjust
Ford Motor Company, Inc. (Ford) is recalling certain 2016-2018 Lincoln MKX and 2019-2020 Nautilus vehicles equipped with 16-way electric tilt seats. The seat cushion frame edge may contact the wire harness when the seat occupant uses the tilt function of the seat, potentially damaging one or more wires within the harness, which can result in either inadvertent deployment of the air bag or nondeployment of the air bag in the event of a crash.
Consequence: An air bag that deploys inadvertently increases the risk of a crash. An air bag that does not deploy in the event of a crash increases the risk of injury.
Remedy: Ford will notify owners, and dealers will install protective flocking tape onto the exposed edge of the 16-way seat cushion frames, and inspect the wire harness for damage, and repair or replace it as needed, free of charge. This recall began August 12, 2020. Owners may contact Ford/Lincoln customer service at 1-866-436-7332. Ford's number for this recall is 20S37.
Air Bags
Ford Motor Company, Inc. (Ford) is recalling certain 2016-2018 Lincoln MKX and 2019-2020 Nautilus vehicles equipped with 16-way electric tilt seats. The seat cushion frame edge may contact the wire harness when the seat occupant uses the tilt function of the seat, potentially damaging one or more wires within the harness, which can result in either inadvertent deployment of the air bag or nondeployment of the air bag in the event of a crash.
Consequence: An air bag that deploys inadvertently increases the risk of a crash. An air bag that does not deploy in the event of a crash increases the risk of injury.
Remedy: Ford will notify owners, and dealers will install protective flocking tape onto the exposed edge of the 16-way seat cushion frames, and inspect the wire harness for damage, and repair or replace it as needed, free of charge. This recall began August 12, 2020. Owners may contact Ford/Lincoln customer service at 1-866-436-7332. Ford's number for this recall is 20S37.
Electrical System:wiring:interior/under Dash
Ford Motor Company, Inc. (Ford) is recalling certain 2016-2018 Lincoln MKX and 2019-2020 Nautilus vehicles equipped with 16-way electric tilt seats. The seat cushion frame edge may contact the wire harness when the seat occupant uses the tilt function of the seat, potentially damaging one or more wires within the harness, which can result in either inadvertent deployment of the air bag or nondeployment of the air bag in the event of a crash.
Consequence: An air bag that deploys inadvertently increases the risk of a crash. An air bag that does not deploy in the event of a crash increases the risk of injury.
Remedy: Ford will notify owners, and dealers will install protective flocking tape onto the exposed edge of the 16-way seat cushion frames, and inspect the wire harness for damage, and repair or replace it as needed, free of charge. This recall began August 12, 2020. Owners may contact Ford/Lincoln customer service at 1-866-436-7332. Ford's number for this recall is 20S37.
Nov 12, 2019
Ford Motor Company (Ford) is recalling certain 2016-2017 Lincoln MKX vehicles equipped with 3.7L engines. The battery positive cable harness may contact the transmission shifter cable bracket resulting in a short circuit.
Consequence & remedy
Consequence: An electrical short increases the risk of a fire.
Remedy: Ford will notify owners, and dealers will remove the battery harness clips and elbow guide, and install a wire channel shield and protective sleeve to the battery cable harness, free of charge. Interim notices informing owners of the safety risk were mailed on December 2, 2019. Owners will receive a second notice when the remedy becomes available, currently expected to be the end of April 2020. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 19S41.
Feb 27, 2017
Ford Motor Company (Ford) is recalling certain 2016-2017 Ford Edge and Lincoln MKX vehicles and 2017 Lincoln Continental vehicles. In the event of a crash, the driver's frontal air bag may not fully inflate or the air bag cushion may detach from the air bag module. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 208, "Occupant Crash Protection."
Consequence & remedy
Consequence: During deployment, if the air bag does not fully inflate or the cushion detaches, there is an increased risk of injury in the event of a crash.
Remedy: Ford will notify owners, and dealers will replace the driver frontal air bag module, free of charge. The recall began June 16, 2017. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 17C02.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1EA21002 · Desiccated Air Bag Inflator Rupture
Opened Sep 17, 2021 · No close date supplied
Status: open (inferred from source dates) · Air Bags:frontal:driver Side:inflator Module; Air Bags:frontal:passenger Side:inflator Module
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.
Additional source detail variants (2)
Air Bags:frontal:driver Side:inflator Module
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.
Air Bags:frontal:passenger Side:inflator Module
From 2000 through 2017, Takata produced millions of air bag inflators using two types of phase-stabilized ammonium nitrate ("PSAN") propellant -- propellant 2004 and propellant 2004L. After prolonged exposure to high temperature cycles and humidity, inflators using propellant 2004 can degrade, causing the propellant to burn too quickly when ignited. The rapid burning can cause the inflator to rupture during deployment, potentially causing serious or even fatal injury to vehicle occupants. See 2016 Blomquist Report at www.nhtsa.gov/sites/nhtsa.gov/files/documents/expert_report-hrblomquist.pdf.Consequently, all frontal inflators using propellant 2004 that do not contain a "desiccant" (a substance that traps and holds moisture) in US vehicles are under recall. These "non-desiccated" inflators either have been or are required to be replaced.In some cases, the remedy part for these recalled inflators was, or will be, an inflator using either propellant 2004 or 2004L that does contain a desiccant. None of these "desiccated" remedy parts (which were installed in older model year vehicles) are currently under recall for a degradation concern. Certain subsets of desiccated PSAN inflators using propellant 2004 for use as original equipment, however, have been recalled for a degradation concern. All Takata inflators produced with propellant 2004L contain desiccant, and none of these desiccated inflators using propellant 2004L are under recall for a degradation concern. There have been no reported field ruptures in any non-recalled desiccated PSAN inflators.It is understood that desiccants fully saturate at some threshold, at which point any additional moisture will not be captured. This means the degradation process observed in non-desiccated inflators using propellant 2004 may also occur in non-recalled desiccated inflators using propellant 2004, assuming additional moisture enters the inflator and high temperature cycling occurs. Based on available information, desiccant saturation can occur within the first five years in the worst environments, and the time required for full saturation is affected by multiple factors. While no present safety risk has been identified, further work is needed to evaluate the future risk of non-recalled desiccated inflators using propellant 2004.Three entities -- Takata (now known as TK Global), the Independent Testing Coalition, and Exponent -- have been studying the long-term behavior of Takata desiccated PSAN inflators using propellant 2004L (as well as 2004) in the presence of moisture and temperature cycling. The research efforts, which include development of predictive modeling techniques and field sample analysis, are ongoing. To date, none of the researchers have identified field evidence showing that propellant 2004L is undergoing a degradation process that leads to aggressive deployment and potential rupture. However, the time in service of such inflators remains short compared to that of the inflators using propellant 2004. Further study is needed to assess the long-term safety of desiccated inflators using propellant 2004L.The Office of Defects Investigation is opening this investigation to examine whether a safety defect related to propellant degradation exists in non-recalled desiccated PSAN frontal inflators manufactured by Takata. This investigation will require extensive information on Takata production processes and surveys of inflators in the field. Lists of recall actions that may have used desiccated PSAN inflators as remedy parts, as well as the makes and models originally manufactured with them, is available with the downloadable version of this document (see nhtsa.gov/recalls?nhtsaId=EA21002 -- note this information is subject to change/revision as the investigation proceeds). This investigation does not supersede EA15-001, which remains open.
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