Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
1810–25K
6925–50K
5350–75K
2675–100K
8100–150K
6150K+
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
What owners actually said
510 reports
Mileage unknown · Mar 17, 2018
Visibility/wiper
WINDSHIELD CRACKED BY THE REAR VIEW MIRROR'IT STARTED IN THE BLACK SECTION ALONGSIDE THE MIRROR AND CAME DOWN AND MADE A J AND REVERSE J PATTEN ONTO DRIVERS SIDE AND PASSENGER SIDE AT EYE LEVEL. I TOOK THE CAR TO THE SUBARU DEALER AND THEY DETERMINED THERE WAS NO IMPACT POINT BUT REFUSED TO COVER IT UNDER THE EXTENDED WARRANTY B…
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WINDSHIELD CRACKED BY THE REAR VIEW MIRROR'IT STARTED IN THE BLACK SECTION ALONGSIDE THE MIRROR AND CAME DOWN AND MADE A J AND REVERSE J PATTEN ONTO DRIVERS SIDE AND PASSENGER SIDE AT EYE LEVEL. I TOOK THE CAR TO THE SUBARU DEALER AND THEY DETERMINED THERE WAS NO IMPACT POINT BUT REFUSED TO COVER IT UNDER THE EXTENDED WARRANTY BECAUSE IT DID NOT CRACK IN THE WINDSHIELD WIPER AREA. WINDSHIELD WAS NEVER HIT BY ROCK OR OTHER DEBRIS AND THERE IS NO APPARENT REASON FOR IT TO CRACK LIKE IT DID. THE CRACK APPEARED WHEN THE CAR WAS PARKED IN MY GARAGE. APPEARS TO BE A DEFECT IN THE SUBARU CARLEX WINDSHIELDS. I FOUND FOUND SEVERAL COMMENTS ONLINE DESCRIBING THIS SAME CRACKING PATTERN.
NHTSA ODI #11079963
23,000 miles · Mar 6, 2018
Air BagsPower TrainUnknown Or OtherCrashInjury
UNEXPECTED ACCELERATION AFTER PARKING, JUMP CURB INTO TREE, CAUSING $7,000 IN DAMAGE. AIR BAGS DID NOT DEPLOY, BOTH MYSELF AND PASSENGER HIT KNEES ON DASH, EVEN WITH OUR SEAT BELTS STILL ON. HAD OTHER COMPUTER ISSUES EARLIER THAT DAY, BACK UP SENSORS DIDN'T WORK WHILE BACKING CAR RIGHT BEHIND MINE. CAR HAS NOW BEEN AT SUBARU FOR…
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UNEXPECTED ACCELERATION AFTER PARKING, JUMP CURB INTO TREE, CAUSING $7,000 IN DAMAGE. AIR BAGS DID NOT DEPLOY, BOTH MYSELF AND PASSENGER HIT KNEES ON DASH, EVEN WITH OUR SEAT BELTS STILL ON. HAD OTHER COMPUTER ISSUES EARLIER THAT DAY, BACK UP SENSORS DIDN'T WORK WHILE BACKING CAR RIGHT BEHIND MINE. CAR HAS NOW BEEN AT SUBARU FOR A MONTH, WAITING FOR ENGINEERS RESULTS AFTER THEIR INSPECTION 2/14/2018
NHTSA ODI #11076432
25,000 miles · Feb 27, 2018
Unknown Or OtherInjury
THE SUNROOF ON THE VEHICLE EXPLODED RANDOMLY. CAUSING GLASS TO GO EVERYWHERE ALL OVER THE CAR WHILE ON THE FREEWAY.
NHTSA ODI #11075352
Mileage unknown · Feb 8, 2018
Structure
LETTER FROM SENATOR BROWN ON BEHALF OF CONSTITUENT RE 2015 SUBARU OUTBACK STRUCTURAL FAILURE. *LD THE CONSUMER STATED THE WAS A LEAK AT THE DRIVER'S SIDE ROOF. *JS
NHTSA ODI #11071488
30,000 miles · Feb 3, 2018
Electrical System
THE INFOTAINMENT SYSTEM FREEZES UP ABOUT EVERY OTHER DAY AND THIS HAS BEEN HAPPENING AGAIN FOR THE LAST MONTH. REAR BACKUP CAMERA STAYS ON AT TIMES. SCREEN FREEZES AND HARD KNOB CONTROLS OF INFOTAINMENT SYSTEM WILL NOT WORK WHEN TOUCH SCREEN IS FROZEN. THIS IS THE SECOND MODULE THAT HAS BEEN INSTALLED DUE TO THESE ISSUES AND PR…
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THE INFOTAINMENT SYSTEM FREEZES UP ABOUT EVERY OTHER DAY AND THIS HAS BEEN HAPPENING AGAIN FOR THE LAST MONTH. REAR BACKUP CAMERA STAYS ON AT TIMES. SCREEN FREEZES AND HARD KNOB CONTROLS OF INFOTAINMENT SYSTEM WILL NOT WORK WHEN TOUCH SCREEN IS FROZEN. THIS IS THE SECOND MODULE THAT HAS BEEN INSTALLED DUE TO THESE ISSUES AND PROBLEMS CONTINUE.
NHTSA ODI #11066768
Mileage unknown · Feb 2, 2018
Power Train
LEFT REAR WHEEL BEARING FAILED AT 40,293 MILES IN MAY 2016 LEFT FRONT WHEEL BEARING FAILED AT 76.699 MILES IN FEB 2018 THIS IS A DEFECT THAT SHOULD BE INVESTIGATED
NHTSA ODI #11066714
Mileage unknown · Jan 24, 2018
Fuel/propulsion System
CAR SUDDENLY ACCELERATED ON ITS OWN. HAPPENS AT ANY SPEED WHILE DRIVING STRAIGHT AND STEADY
NHTSA ODI #11064554
16,000 miles · Jan 11, 2018
Forward Collision AvoidanceVehicle Speed Control
THE EYESIGHT SYSTEM TURNS ON AND OFF INTERMITTENTLY. THE VEHICLE IS TRAVELING AT SPEED AND ALL OF SUDDEN IT IS NOT. THE WINDSHIELD WAS CLEAR AND IT WAS NOT RAINING. THE VEHICLE WAS TRAVELING IN A STRAIGHT LINE. THIS HAS BEEN AN ONGOING ISSUE WHICH THE DEALER IS UNABLE TO RESOLVE.
NHTSA ODI #11062145
35,000 miles · Jan 7, 2018
Visibility/wiper
2 YEARS, 35000 MILES INTO OWNING NEW 2015 OUTBACK, MY WINDSHIELD DEVELOPED AN 8 INCH LONG CRACK ORIGINATING FROM THE BOTTOM DRIVER'S SIDE. THIS APPEARED WHILE PARKED OUTSIDE MY WORKPLACE, WITH NO KNOWN WINDSHIELD IMPACTS DRIVING. CONSEQUENTLY, I REPLACED THE WINDSHIELD USING SAFELITE, MATCHING THE WINDSHIELD TYPE VIA VIN. ONL…
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2 YEARS, 35000 MILES INTO OWNING NEW 2015 OUTBACK, MY WINDSHIELD DEVELOPED AN 8 INCH LONG CRACK ORIGINATING FROM THE BOTTOM DRIVER'S SIDE. THIS APPEARED WHILE PARKED OUTSIDE MY WORKPLACE, WITH NO KNOWN WINDSHIELD IMPACTS DRIVING. CONSEQUENTLY, I REPLACED THE WINDSHIELD USING SAFELITE, MATCHING THE WINDSHIELD TYPE VIA VIN. ONLY 2 MONTHS AFTER REPLACEMENT, ANOTHER CRACK DEVELOPED ORIGINATING FROM THE BOTTOM PASSENGER SIDE EDGE, AND QUICKLY SPREAD 3/4 OF THE WAY ACROSS THE BOTTOM. AGAIN, NO IMPACTS WERE WITNESSED TO THE WINDSHIELD WHILE DRIVING. I HAVE NO CONFIDENCE IN REPLACING THE WINDSHIELD AGAIN, AS IT LIKELY WILL CRACK IN THE SAME MANNER SOONER OR LATER.
NHTSA ODI #11061061
30,000 miles · Jan 5, 2018
Service BrakesCrash
ATTEMPTED TO COME TO A STOP AT A PARKING SPOT IN FRONT OF A SHOP BUT CAR SPED UP AND COLLIDED WITH A WALL 6 FEET IN FRONT OF THE CAR. AUTOMATIC BRAKING SYSTEM DID NOT WORK OR ENGAGE AT SLOW SPEED.
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.
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.
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.
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.
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.
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.