IllustrationWINDSHIELD CRACK ON 2017 SUBARU OUTBACK REQUIRING THOUSANDS IN REPAIR. THE REPAIR WINDSHIELD CONTAINS THE SAME DEFECT. THERE WAS NO INDICATION OF A ROCK OR ANYTHING HITTING THE WINDSHIELD.
2017 Subaru Outback
Owner reports · Recalls · Investigations
More warning signs than most Outback years
Owner complaints for the 2017 Subaru Outback are substantially higher than the model-year median of 207.5.
About this comparison →How this year compares
Owner complaints by model year
Compare all Outback years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
2040–25K
20725–50K
7750–75K
2075–100K
6100–150K
2150K+
516 reports with mileage · 401 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.
- Electrical System. Review the 391 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Visibility/wiper. Review the 205 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. 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.
32 crash reports3 fire reports17 injury reports
Visibility/wiper complaints
205 reportsTL* THE CONTACT OWNS A 2017 SUBARU OUTBACK. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THE VEHICLE IN FRONT OF HIM HAD KICKED UP A ROCK THAT HIT HIS PASSENGER WINDSHIELD. DUE TO THE ROCK HITTING THE WINDSHIELD, A CRACK FORMED ON THE PASSENGER SIDE WINDSHIELD. WITHIN 3 DAYS, THE CRACK SPREAD THROUGHOUT THE ENTIRE WINDSHIELD…
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TL* THE CONTACT OWNS A 2017 SUBARU OUTBACK. THE CONTACT STATED THAT WHILE DRIVING AT 35 MPH, THE VEHICLE IN FRONT OF HIM HAD KICKED UP A ROCK THAT HIT HIS PASSENGER WINDSHIELD. DUE TO THE ROCK HITTING THE WINDSHIELD, A CRACK FORMED ON THE PASSENGER SIDE WINDSHIELD. WITHIN 3 DAYS, THE CRACK SPREAD THROUGHOUT THE ENTIRE WINDSHIELD. THE CONTACT STATED THAT THE WINDSHIELD GLASS WAS POORLY DESIGNED AND THAT THE SIZE OF THE ROCK THAT HIT HIS WINDSHIELD SHOULD NOT HAVE CAUSED THAT SEVERE OF DAMAGE. THE CONTACT ALSO STATED THAT THE CRACK THAT FORMED OVER THE WINDSHIELD HAD OBSTRUCTED HIS VISION WHILE DRIVING. THE CONTACT CALLED THE MANUFACTURER WHO DIRECTED TO A WINDSHIELD SUPPLIER FOR ASSISTANCE. THE CONTACT HAD TO WAIT ABOUT 4 MONTHS TO HAVE HIS WINDSHIELD REPLACED. THE VEHICLE HAD BEEN REPAIRED. THE FAILURE MILEAGE WAS 342.
8/28/20-WHILE PULLING OUT OF MY GARAGE, I NOTICED A REFLECTION OF A SMALL PINPOINT "CHIP" IN MY WINDSHIELD, ABOUT 4 INCHES FROM THE A PILLAR. OVERNIGHT THE "CHIP" GREW INTO A LARGE HORIZONTAL, VERTICAL AND THEN HORIZONTAL CRACK THAT INTERFERES WITH THE DRIVER'S LINE-OF-SIGHT. THE WINDSHIELD HAD CRACKED PREVIOUSLY ON 1/2/20 AND …
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8/28/20-WHILE PULLING OUT OF MY GARAGE, I NOTICED A REFLECTION OF A SMALL PINPOINT "CHIP" IN MY WINDSHIELD, ABOUT 4 INCHES FROM THE A PILLAR. OVERNIGHT THE "CHIP" GREW INTO A LARGE HORIZONTAL, VERTICAL AND THEN HORIZONTAL CRACK THAT INTERFERES WITH THE DRIVER'S LINE-OF-SIGHT. THE WINDSHIELD HAD CRACKED PREVIOUSLY ON 1/2/20 AND WAS REPLACED AT A SUBARU DEALERSHIP FOR OVER $1000. SEE NHTSA ID NUMBER 11297463 FILED ON 1/6/20.. THIS IS THE 2ND CRACKED WINDSHIELD IN LESS THAN 9 MONTHS!
THE WINDSHIELD JUST CRACKED BY ITSELF WHILE NOT MOVING. I GOT IN THE CAR TO START IT AND HEARD A CRACK. IT STARTED AT THE BOTTOM OF THE WINDSHIELD BEHIND THE TRIM AND WENT UP THE WINDSHIELD ABOUT 10 INCHES. SENSE THEN IT HAS SPREAD.
I PURCHASED MY 2017 OUTBACK BRAND NEW FROM THE DEALERSHIP IN 2017 AND IN THE THREE YEARS OF OWNING IT, I HAVE HAD TO REPLACE THE WINDSHIELD 3 TIMES. I HAVE NEVER HAD A CAR WHERE THE WINDSHIELD APPEARS TO CRACK FOR NO REASON OR BY THE SLIGHTEST TOUCH OF LOOSE GRAVEL. EACH TIME THE WINDSHIELD CRACKS I HAVE BEEN IN MOTION, ON A HIG…
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I PURCHASED MY 2017 OUTBACK BRAND NEW FROM THE DEALERSHIP IN 2017 AND IN THE THREE YEARS OF OWNING IT, I HAVE HAD TO REPLACE THE WINDSHIELD 3 TIMES. I HAVE NEVER HAD A CAR WHERE THE WINDSHIELD APPEARS TO CRACK FOR NO REASON OR BY THE SLIGHTEST TOUCH OF LOOSE GRAVEL. EACH TIME THE WINDSHIELD CRACKS I HAVE BEEN IN MOTION, ON A HIGHWAY GOING SPEEDS OF ABOUT 60MPH. THE CRACK WILL START SMALL AND THEN SPREAD VERY RAPIDLY WITHIN A MATTER OF MINUTES, THUS MAKING IT IMPOSSIBLE TO GET THE CRACK FILLED BEFORE IT SPREADS.
TWO CHIPS IN THE WINDSHIELD APPEARED FOR NO APPARENT REASON ABOUT ~10 DAYS AFTER PURCHASE OF VEHICLE. CHIP # 1 IS ABOVE THE STEERING WHEEL AND AROUND~ 5 MM SIZE. CHIP #2 IS IN FRONT OF PASSENGER SEAT WITH A CLEAR CRACK ON THE OUTSIDE AND INSIDE OF VEHICLE ABOUT THE SIZE OF ~ 1 CM. THERE IS A CONCERN FOR THESE CHIPS TO CONTINUE …
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TWO CHIPS IN THE WINDSHIELD APPEARED FOR NO APPARENT REASON ABOUT ~10 DAYS AFTER PURCHASE OF VEHICLE. CHIP # 1 IS ABOVE THE STEERING WHEEL AND AROUND~ 5 MM SIZE. CHIP #2 IS IN FRONT OF PASSENGER SEAT WITH A CLEAR CRACK ON THE OUTSIDE AND INSIDE OF VEHICLE ABOUT THE SIZE OF ~ 1 CM. THERE IS A CONCERN FOR THESE CHIPS TO CONTINUE CRACKING AND DESTROYING THE WINDSHIELD. NO ROCKFALL WITNESSED/NO STONES HITTING WINDSHIELD WITNESSED. SEE ATTACHED PICTURES. ALSO NOTICED A FEW OTHER LITTLE CHIPS THAT HAVE POTENTIAL FOR CRACKING. AWARE OF SUBARU WINDSHIELD LAWSUIT, SADLY WAS UNAWARE OF IT BEFORE PURCHASE OF VEHICLE OTHERWISE WOULD HAVE INSPECTED WINDSHIELD PRIOR TO PURCHASE.
I PURCHASED MY 2017 SUBARU OUTBACK IN MAY 2017. ON OR AROUND 13 APRIL 2018 MY WINDSHIELD CRACKED AS I WAS DRIVING. NOTHING HIT THE WINDSHIELD INSIDE OR OUT. I DID HAVE THE WINDSHIELD DEFROST HEATER ON AND THE OUTSIDE TEMPERATURE WAS WELL ABOVE FREEZING (SF BAY AREA COLD - WHICH REALLY ISN'T COLD AT ALL). I RESEARCHED AND FO…
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I PURCHASED MY 2017 SUBARU OUTBACK IN MAY 2017. ON OR AROUND 13 APRIL 2018 MY WINDSHIELD CRACKED AS I WAS DRIVING. NOTHING HIT THE WINDSHIELD INSIDE OR OUT. I DID HAVE THE WINDSHIELD DEFROST HEATER ON AND THE OUTSIDE TEMPERATURE WAS WELL ABOVE FREEZING (SF BAY AREA COLD - WHICH REALLY ISN'T COLD AT ALL). I RESEARCHED AND FOUND OTHERS WITH THE SAME TYPICAL LOW CENTER CRACK WHICH PROGRESSED UP THE GLASS OVER SEVERAL DAYS. THE DEALERSHIP DECLINED MY CLAIM. I INITIATED A CLAIM THROUGH MY OWN INSURANCE. (STATE FARM). I CONTACTED SUBARU OF AMERICA WHO SAID THEY WOULD COMPENSATE ME THE DIFFERENCE AFTER THE REPAIR. I GOT THE WORK DONE AT THE DEALERSHIP AFTER A LENGTHY FIGHT OVER THE PHONE WITH A GROUP SUB CONTRACTED TO HANDLE THE CLAIM FOR STATE FARM. THEY TRIED TO GIVE ME CHEAP (NON-OEM GLASS) I HAD TO FIGHT FOR OEM GLASS, STATING OVER AND OVER THAT I PURCHASED THE VEHICLE FOR THE EYESIGHT SYSTEM WHICH THE MANUFACTURER MANDATES OEM GLASS (WHAT A HEADACHE !!!) I GOT THE WORK DONE - FINALLY, WITH OEM GLASS. DONE AT THE DEALERSHIP (BY YET ANOTHER SUB-CONTRACTOR). THE DEALERSHIP THEN RE-CALIBRATED THE EYESIGHT SYSTEM. SOFA REIMBURSED ME THE DIFFERENCE. (SHOUT OUT TO [XXX]WHO LISTENED WITH EMPATHY THEN REIMBURSED MY DEDUCTIBLE - THANK YOU) THE WHOLE AFFAIR WAS A REAL HEADACHE - I WAS TREATED LIKE I WAS NEGLIGENT OR TRYING TO GET OVER. (I AM SUPER TENACIOUS - GOD HELP ANYONE WHO IS LESS SO, OR CANNOT BE PERSUASIVE -PUSHY). AND NOW I AM LEFT WITH A SOUR TASTE AND FINGERS CROSSED THAT IT DOESN'T HAPPEN AGAIN. I AM NOT CONFIDENT WITH MY VEHICLE ANYMORE. INFORMATION Redacted PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6).
WINDSHIELD CRACKED FOR NO APPARENT REASON. I ARRIVED HOME AND PARKED MY CAR. THE NEXT DAY WHEN I GOT IN THE CAR I HAD A HUGE CRACK STARTING AT PASSENGER SIDE GOING TOWARD DRIVERS SIDE. *TR
THE WINDSHIELD HAS CRACKED FOR NO APPARENT REASON TWICE IN THE LAST YEAR. THE FIRST TIME WAS IN JUNE OF 2019. TODAY I WAS DRIVING DOWN THE INTERSTATE, AND I NOTICED A SMALL CRACK COMING FROM THE MIDDLE OF THE BOTTOM AND BEGAN INCREASING IN SIZE AND STARTED CURVING. THE FIRST TIME IT HAPPENED IN JUNE OF 2019, I NOTICED A SMAL…
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THE WINDSHIELD HAS CRACKED FOR NO APPARENT REASON TWICE IN THE LAST YEAR. THE FIRST TIME WAS IN JUNE OF 2019. TODAY I WAS DRIVING DOWN THE INTERSTATE, AND I NOTICED A SMALL CRACK COMING FROM THE MIDDLE OF THE BOTTOM AND BEGAN INCREASING IN SIZE AND STARTED CURVING. THE FIRST TIME IT HAPPENED IN JUNE OF 2019, I NOTICED A SMALL CRACK JUST BEHIND MY REAR VIEW MIRROR COMING DOWNWARD. OVER A FEW DAYS TIME, IT INCREASED IN SIZE, CURVED AND SPIDER WEBBED. I HAD THAT WINDOW REPLACED BY A COMPANY WHO REPLACES WINDOWS RECOMMENDED BY THE LOCAL SUBARU DEALERSHIP WHERE I BOUGHT MY CAR. THEY USED A SUBARU WINDSHIELD WHEN THEY REPLACED THE CRACKED WINDSHIELD IN JUNE OF 2019. *TR
THERE WAS A CRACK IN THE WINDSHIELD. THE WINDSHIELD WAS REPLACED AT THE SUBARU DEALERSHIP. ABOUT 10 DAYS LATER AFTER THE REPAIR, THERE WAS ANOTHER CRACK IN THE WINDSHIELD IN THE SAME EXACT PLACE AS THE PREVIOUS ONE. IT APPEARED RANDOMLY OVERNIGHT FOR NO APPARENT REASON. *TR
Official recalls
419V910000 · Air Bags: Air Bag/restraint Control Module
Dec 19, 2019
Subaru of America, Inc. (Subaru) is recalling certain 2016-2017 Outback vehicles. A replacement air bag control module may have been installed that is not compatible with the passenger air bag module, possibly affecting air bag deployment.
Consequence & remedy
Consequence: In the event of a crash necessitating passenger frontal air bag deployment, the air bag may not deploy properly, increasing the risk of injury.
Remedy: Subaru will notify owners, and dealers will replace the passenger air bag module, free of charge. The recall began February 3, 2020. Owners may contact Subaru customer service at 1-844-373-6614. Subaru's number for this recall is WUX-09.
16V716000 · Air Bags:knee Bolster; Steering:column
Oct 6, 2016
Subaru of America, Inc. (Subaru) is recalling certain model year 2017 Legacy and Outback vehicles manufactured September 21, 2016, to September 23, 2016. In the affected vehicles, the knee guard bracket may not be properly attached to the steering beam assembly.
Consequence & remedy
Consequence: If the knee guard is not properly attached and the driver is not wearing a seatbelt, the knee guard may not be able to properly restrain the driver's lower body in the event of a crash, increasing the risk of injury.
Remedy: Subaru will notify owners, and dealers will inspect the knee guard welding on each vehicle's steering beam, replacing the beam as necessary, free of charge. The recall began November 14, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTL-72.
Additional source detail variants (2)
Air Bags:knee Bolster
Subaru of America, Inc. (Subaru) is recalling certain model year 2017 Legacy and Outback vehicles manufactured September 21, 2016, to September 23, 2016. In the affected vehicles, the knee guard bracket may not be properly attached to the steering beam assembly.
Consequence: If the knee guard is not properly attached and the driver is not wearing a seatbelt, the knee guard may not be able to properly restrain the driver's lower body in the event of a crash, increasing the risk of injury.
Remedy: Subaru will notify owners, and dealers will inspect the knee guard welding on each vehicle's steering beam, replacing the beam as necessary, free of charge. The recall began November 14, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTL-72.
Steering:column
Subaru of America, Inc. (Subaru) is recalling certain model year 2017 Legacy and Outback vehicles manufactured September 21, 2016, to September 23, 2016. In the affected vehicles, the knee guard bracket may not be properly attached to the steering beam assembly.
Consequence: If the knee guard is not properly attached and the driver is not wearing a seatbelt, the knee guard may not be able to properly restrain the driver's lower body in the event of a crash, increasing the risk of injury.
Remedy: Subaru will notify owners, and dealers will inspect the knee guard welding on each vehicle's steering beam, replacing the beam as necessary, free of charge. The recall began November 14, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTL-72.
16V576000 · Service Brakes, Hydraulic:foundation Components:disc:caliper; Suspension
Aug 3, 2016
Subaru of America, Inc. (Subaru) is recalling certain model year 2017 Outback vehicles manufactured June 20, 2016, to June 23, 2016. The affected vehicles may have improperly tightened attaching bolts for the front left and right brake calipers, wheel hubs, and the right stabilizer clamp.
Consequence & remedy
Consequence: If any of the front brake caliper, wheel hub or stabilizer clamp attaching bolts loosen or detach, the related components would also become loose and may detach possibly making the vehicle unstable and reducing the braking capability. These conditions would increase the risk of a crash.
Remedy: Subaru has notified owners, and dealers will inspect the bolts for proper torque, and replace any loose bolts, free of charge. The recall began on August 8, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTE-66.
Additional source detail variants (2)
Service Brakes, Hydraulic:foundation Components:disc:caliper
Subaru of America, Inc. (Subaru) is recalling certain model year 2017 Outback vehicles manufactured June 20, 2016, to June 23, 2016. The affected vehicles may have improperly tightened attaching bolts for the front left and right brake calipers, wheel hubs, and the right stabilizer clamp.
Consequence: If any of the front brake caliper, wheel hub or stabilizer clamp attaching bolts loosen or detach, the related components would also become loose and may detach possibly making the vehicle unstable and reducing the braking capability. These conditions would increase the risk of a crash.
Remedy: Subaru has notified owners, and dealers will inspect the bolts for proper torque, and replace any loose bolts, free of charge. The recall began on August 8, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTE-66.
Suspension
Subaru of America, Inc. (Subaru) is recalling certain model year 2017 Outback vehicles manufactured June 20, 2016, to June 23, 2016. The affected vehicles may have improperly tightened attaching bolts for the front left and right brake calipers, wheel hubs, and the right stabilizer clamp.
Consequence: If any of the front brake caliper, wheel hub or stabilizer clamp attaching bolts loosen or detach, the related components would also become loose and may detach possibly making the vehicle unstable and reducing the braking capability. These conditions would increase the risk of a crash.
Remedy: Subaru has notified owners, and dealers will inspect the bolts for proper torque, and replace any loose bolts, free of charge. The recall began on August 8, 2016. Owners may contact Subaru customer service at 1-800-782-2783. Subaru's number for this recall is WTE-66.
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.
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.