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2015 Subaru Outback

Owner reports · Recalls · Investigations

More warning signs than most Outback years

Owner complaints for the 2015 Subaru Outback are substantially higher than the model-year median of 207.5.

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When problems were reported

Mileage at the reported incident

343 reports with mileage · 167 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Visibility/wiper. Review the 130 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 127 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 47 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

20 crash reports5 fire reports13 injury reports

Power Train complaints

37 reports
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Mileage unknown · Dec 18, 2025
Power Train

After a transmission replacement performed by Bud Clary Chevrolet, Inc. in Longview, WA on September 9, 2025, my vehicle was returned to me with critical components left unsecured. On November 19, 2025, an independent mechanic discovered loose suspension bolts connecting the ball joints to the spindles on both front wheels. On …

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After a transmission replacement performed by Bud Clary Chevrolet, Inc. in Longview, WA on September 9, 2025, my vehicle was returned to me with critical components left unsecured. On November 19, 2025, an independent mechanic discovered loose suspension bolts connecting the ball joints to the spindles on both front wheels. On November 29, 2025, Subaru of Portland documented additional unsecured and unattached components related to the prior transmission replacement, including loose mounting hardware and a disconnected PCV hose. Subaru of Portland’s written inspection states that the loose bolts would have been unsafe if left uncorrected. These conditions were present after a major repair and created a potential safety hazard while the vehicle was being driven. This complaint concerns an unsafe condition caused by improper workmanship during a vehicle repair.

NHTSA ODI #11705980

Mileage unknown · Dec 14, 2024
Power TrainUnknown Or Other

A transmission that was replaced in July of 2023 went bad un December of 2024 and dealership won't give reasons why transmission went bad or what caused a almost brand new transmission with less than 50,000 miles on it went bad. They are demanding we pay $5000.00 dollars on a transmission that was replaced under the extended war…

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A transmission that was replaced in July of 2023 went bad un December of 2024 and dealership won't give reasons why transmission went bad or what caused a almost brand new transmission with less than 50,000 miles on it went bad. They are demanding we pay $5000.00 dollars on a transmission that was replaced under the extended warranty on cvt transmission from subaru. Which also extends to the brand new transmission. They are demanding their loaner car back and refusing to honor extended warranty on new transmission which the gave us which is bad. They will not give us anything other than it is bad. No information what so ever is being given to my husband or I as to why, how or what happened. My car will not move unless it is pushed by someone. They are refusing to honor their recall warranty or provide a loaner while dealing with their corporate offices on this issue. This is after in the past 1 and a half years my car has been in their shop for well over 8 months and I am still making payments on this vehicle. They will not even provide paperwork on the issues with my vehicle.

NHTSA ODI #11630731

Mileage unknown · Feb 10, 2024
Power Train

When shifted into drive or reverse, with brakes applied, and after initial start the vehicle will surge forward or reverse with force enough to overcome standard braking.

NHTSA ODI #11571247

Mileage unknown · Aug 31, 2023
Power TrainSeatsSteering

Driver's seat started peeling off approximately a year after purchase. Notified dealer, they said to contact Subaru of America via social media. Now almost all peeled off, have to cover with towel possibly interfering with airbags. Steering column lock will not lock in top position. Dealer repaired once under warranty, now out o…

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Driver's seat started peeling off approximately a year after purchase. Notified dealer, they said to contact Subaru of America via social media. Now almost all peeled off, have to cover with towel possibly interfering with airbags. Steering column lock will not lock in top position. Dealer repaired once under warranty, now out of warranty. Unsafe when column moves when driving. Transmission started slipping or behaving strangely around 90,000 miles. Never received notice of extended warranty I read about on Subaru forums [XXX] ) Paid $531.43 for fluid change at dealership because of the problem on 7/27/23 and no mention was made about extended warranty. It has not solved the problem. If transmission fails, that is a safety problem. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

NHTSA ODI #11541975

Mileage unknown · Apr 24, 2023
Lane DeparturePower TrainSteering

CONSTANT CHECK ENGINE, NO ADAS FUNCTIONS AND MULTIPLE CODES AND HUD INDICATORS INCLUDING CKENGNE, XMODE FLASHING, ADAS DISABLE AND MAJOR ELECRTICAL PARASITIC DRAW AND TRANSMISSION AND OVERHEATING. I believe the past major leg relay was replaced during first recall, it was not performed correctly and tied into accesssorry aux int…

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CONSTANT CHECK ENGINE, NO ADAS FUNCTIONS AND MULTIPLE CODES AND HUD INDICATORS INCLUDING CKENGNE, XMODE FLASHING, ADAS DISABLE AND MAJOR ELECRTICAL PARASITIC DRAW AND TRANSMISSION AND OVERHEATING. I believe the past major leg relay was replaced during first recall, it was not performed correctly and tied into accesssorry aux into same wiring. defrost/ ac failure and clutch hums upon shutting down

NHTSA ODI #11518655

Mileage unknown · Aug 12, 2022
Power Train

The continuously variable transmission failed at 114,000 miles. The unexpected lack of proper shifting on the roadway causes impediment to traffic expecting a continual flow of traffic. This causes the vehicle and drivers sharing the rode to have to make sudden braking or lane shifts without sufficient notice. The CVT was inspe…

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The continuously variable transmission failed at 114,000 miles. The unexpected lack of proper shifting on the roadway causes impediment to traffic expecting a continual flow of traffic. This causes the vehicle and drivers sharing the rode to have to make sudden braking or lane shifts without sufficient notice. The CVT was inspected by the dealer. There were no warning lamps or symptoms prior to failure.

NHTSA ODI #11478982

Mileage unknown · Jan 7, 2022
EnginePower Train

On three separate occasions, most recently on 01/06/22 , my Subaru Outback began to accelerate without touching the gas pedal. My wife and myself were both fortunate to have a foot covering the brake pedal when this occurred . We fortunately avoided the potential collision hazard. The UNEXPECTED ACCELERATION is alarming and c…

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On three separate occasions, most recently on 01/06/22 , my Subaru Outback began to accelerate without touching the gas pedal. My wife and myself were both fortunate to have a foot covering the brake pedal when this occurred . We fortunately avoided the potential collision hazard. The UNEXPECTED ACCELERATION is alarming and continues to occur !

NHTSA ODI #11446573

Mileage unknown · Nov 10, 2021
Power Train

local mechanic doing standard maintenence at 62,861 miles, checking high rpms at startup, noticed that the crankshaft pully was moving up and down , slight variance , when it should be straight. apparently a recall issue on 2016 outbacks.

NHTSA ODI #11440007

Mileage unknown · Feb 10, 2021
Power Train

TRANSMISSION FLUID LEAK

NHTSA ODI #11395513

150,450 miles · Oct 28, 2020
Power Train

I TOOK THE CAR INTO PAUL MOAK SUBARU ON 10/14. THE CAR WAS BUCKING UNDER LIGHT ACCELERATION. WHEN PULLING THRU A STOP LIGHT, OR MOVING FROM A STOPPED POSITION, THE CAR KICKS BACK AND FORTH AND I DON'T KNOW IF ITS GOING TO KEEP GOING OR STALL. NO CHECK ENGINE LIGHT. PAUL MOAK SUBARU SAYS " THIS IS DUE TO AN INTERNAL FAILURE OF…

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I TOOK THE CAR INTO PAUL MOAK SUBARU ON 10/14. THE CAR WAS BUCKING UNDER LIGHT ACCELERATION. WHEN PULLING THRU A STOP LIGHT, OR MOVING FROM A STOPPED POSITION, THE CAR KICKS BACK AND FORTH AND I DON'T KNOW IF ITS GOING TO KEEP GOING OR STALL. NO CHECK ENGINE LIGHT. PAUL MOAK SUBARU SAYS " THIS IS DUE TO AN INTERNAL FAILURE OF THE CVT TRANSMISSION AND THE REPAIR ESTIMATE IS $9,319.59." THIS IS ALMOST THE SAME AS WHAT I OWE ON THE CAR. I KNEW OF THE EXTENDED WARRANTY SUBARU PROVIDED FOR THE TRANSMISSION BUT I'M OUTSIDE THE MILEAGE PORTION. I REACHED OUT TO SUBARU NORTH AMERICA ON 10/27/20 BUT THEY SAY THEY CAN NOT HELP ME DUE TO THE MILEAGE. I DRIVE APPROX 750 MILES A WEEK ON A SALES ROUTE THUS THE HIGH MILEAGE. 90 % OF THE MILES ARE HIGHWAY AND ARE DOCUMENTED FOR TAX PURPOSES. I LOVE MY SUBARU BUT CANT BELIEVE I'M GOING TO HAVE TO SPEND SO MUCH MONEY ON A 5 YEAR OLD CAR. I HAVE A FAMILY OF 4 AND AM SCARED TO TAKE THEM IN THE CAR IN THIS CONDITION. I HAVE TO DRIVE IT IN THIS CONDITION UNTIL I CAN SAVE THE MONEY IT'S GOING TO COST TO REPAIR THE TRANSMISSION. SUBARU SHOULD ISSUE A RECALL ON THIS TRANSMISSION.

NHTSA ODI #11366919

Official recalls

5

16V292000 · Steering:column

May 11, 2016

Subaru of America, Inc. (Subaru) is recalling certain model year 2016-2017 Legacy and Outback vehicles manufactured February 29, 2016, to May 6, 2016. The steering column on the affected vehicles may have been improperly machined, and as a result, turning the steering wheel may have no effect on the direction of the wheels.

Consequence & remedy

Consequence: The loss of steering ability would increase the risk of a crash.

Remedy: Subaru will notify owners, and dealers will inspect the lot number on the steering column, replacing the steering column, as necessary, free of charge. The recall began May 13, 2016. Owners may contact Subaru customer service at 1-800-782-2783 or by visiting http://www.wtd65.service-campaign.com. Subaru's number for this recall is WTD-65. Note: Until the vehicles have been inspected, owners are advised not to drive their vehicles.

16V251000 · Electronic Stability Control (esc)

Apr 27, 2016

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy and Outback vehicles manufactured on July 20, 2015. The brake fluid used in these vehicles may contain excess moisture which may adversely affect the performance of the electronic stability control system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 126, "Electronic Stability Control Systems."

Consequence & remedy

Consequence: Poor performance of the electronic stability control system when it is activated may result in a loss of vehicle control, increasing the risk of a crash.

Remedy: Subaru will notify owners, and dealers will perform an ABS activation, then flush and replace the brake fluid, free of charge. The recall began on May 20, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTC-64.

15V502000 · Power Train:automatic Transmission; Power Train:driveline:driveshaft

Aug 10, 2015

Subaru of America, Inc. (Subaru) is recalling certain 2015 and 2016 model year Subaru Legacy 4-Door and Outback vehicles manufactured July 3, 2015, to July 27, 2015. Transmission oil may leak from a deformed seal cap on the propeller shaft yoke.

Consequence & remedy

Consequence: If the transmission oil leaks onto the exhaust pipe, there is a possible risk of fire.

Remedy: Subaru will notify owners, and dealers will replace the propeller shaft, free of charge. The recall began on August 28, 2015. Owners may contact 1-800-782-2783. Subaru's number for this recall is WQU-56.

Additional source detail variants (2)

Power Train:driveline:driveshaft

Subaru of America, Inc. (Subaru) is recalling certain 2015 and 2016 model year Subaru Legacy 4-Door and Outback vehicles manufactured July 3, 2015, to July 27, 2015. Transmission oil may leak from a deformed seal cap on the propeller shaft yoke.

Consequence: If the transmission oil leaks onto the exhaust pipe, there is a possible risk of fire.

Remedy: Subaru will notify owners, and dealers will replace the propeller shaft, free of charge. The recall began on August 28, 2015. Owners may contact 1-800-782-2783. Subaru's number for this recall is WQU-56.

Power Train:automatic Transmission

Subaru of America, Inc. (Subaru) is recalling certain 2015 and 2016 model year Subaru Legacy 4-Door and Outback vehicles manufactured July 3, 2015, to July 27, 2015. Transmission oil may leak from a deformed seal cap on the propeller shaft yoke.

Consequence: If the transmission oil leaks onto the exhaust pipe, there is a possible risk of fire.

Remedy: Subaru will notify owners, and dealers will replace the propeller shaft, free of charge. The recall began on August 28, 2015. Owners may contact 1-800-782-2783. Subaru's number for this recall is WQU-56.

15V366000 · Exterior Lighting:brake Lights:switch; Forward Collision Avoidance: Crash Imminent Braking

Jun 12, 2015

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy vehicles manufactured March 10, 2014, to April 16, 2015, Outback vehicles manufactured February 24, 2014, to April 16, 2015, Impreza vehicles manufactured September 9, 2014, to April 14, 2015, XV Crosstrek vehicles manufactured October 16, 2014, to April 15, 2015, and 2016 WRX vehicles manufactured March 23, 2015, and equipped with the Eyesight Driver Assist System. If the switch that activates the brake lights fails, the automatic pre-collision braking component of the driver assist system will not function.

Consequence & remedy

Consequence: If the automatic pre-collision braking system does not function as intended, the vehicle will not react to an obstacle in its path, increasing the risk of a crash.

Remedy: Subaru will notify owners, and dealers will reprogram the driver assist system, free of charge. The recall began on July 20, 2015. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WQS-54.

Additional source detail variants (2)

Forward Collision Avoidance: Crash Imminent Braking

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy vehicles manufactured March 10, 2014, to April 16, 2015, Outback vehicles manufactured February 24, 2014, to April 16, 2015, Impreza vehicles manufactured September 9, 2014, to April 14, 2015, XV Crosstrek vehicles manufactured October 16, 2014, to April 15, 2015, and 2016 WRX vehicles manufactured March 23, 2015, and equipped with the Eyesight Driver Assist System. If the switch that activates the brake lights fails, the automatic pre-collision braking component of the driver assist system will not function.

Consequence: If the automatic pre-collision braking system does not function as intended, the vehicle will not react to an obstacle in its path, increasing the risk of a crash.

Remedy: Subaru will notify owners, and dealers will reprogram the driver assist system, free of charge. The recall began on July 20, 2015. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WQS-54.

Exterior Lighting:brake Lights:switch

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Legacy vehicles manufactured March 10, 2014, to April 16, 2015, Outback vehicles manufactured February 24, 2014, to April 16, 2015, Impreza vehicles manufactured September 9, 2014, to April 14, 2015, XV Crosstrek vehicles manufactured October 16, 2014, to April 15, 2015, and 2016 WRX vehicles manufactured March 23, 2015, and equipped with the Eyesight Driver Assist System. If the switch that activates the brake lights fails, the automatic pre-collision braking component of the driver assist system will not function.

Consequence: If the automatic pre-collision braking system does not function as intended, the vehicle will not react to an obstacle in its path, increasing the risk of a crash.

Remedy: Subaru will notify owners, and dealers will reprogram the driver assist system, free of charge. The recall began on July 20, 2015. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WQS-54.

14V577000 · Trailer Hitches

Sep 19, 2014

Subaru of America, Inc. (Subaru) is recalling certain model year 2015 Outback vehicles manufactured January 22, 2014, to August 18, 2014, and equipped with a Subaru accessory trailer hitch assembly. During installation, the trailer hitch mounting nuts may have been overtightened, potentially resulting in failure of the trailer hitch mounting studs.

Consequence & remedy

Consequence: The mounting nut(s) may not provide sufficient force to remain attached to the studs or the studs themselves might break. If this were to happen while a trailer is being towed, the driver might not be able to operate the vehicle as desired or the trailer may detach from the vehicle. Either situation could increase the risk of a crash.

Remedy: Subaru will notify owners, and dealers will replace all eight mounting nuts for the trailer hitch assembly, and will inspect all eight mounting studs for damage, free of charge. The recall began on October 7, 2014. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WQN-50.

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

1

EA21002 · 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.

Go deeper into Subaru Outback problems