NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
9 reportsClear category filterMileage unknown · Jun 25, 2024
Electrical SystemStructure
During a regular fuel stop at a gas station, I noticed the central lock button nor the physical door hinge fail to operate to open the door for me to exit. The fuse for the central power door lock/unlock button blew out, completely disabling the interior door hinge mechanism. I got trapped inside but thankfully the power was s…
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During a regular fuel stop at a gas station, I noticed the central lock button nor the physical door hinge fail to operate to open the door for me to exit. The fuse for the central power door lock/unlock button blew out, completely disabling the interior door hinge mechanism. I got trapped inside but thankfully the power was still on and the rear doors remained unlocked. So, I lowered the driverside window and crawl outside. Then open the unlocked reer door to enter the vehicle from the back seat. Then located the fuse box, searched on the internet to itenfy the effected fuse, replaced damaged one to another fuse (dedicated to another function), temporarily replaced with the same ampage fuse. For my vehicle, there is no visible solution to enter the physical key to open the door from the outside that are typically found under the exterior door handle. If it wasn't for a combination of luck that the other door remained unlocked, had power to lower the window, have some knowledge of vehicle electrical system (fuse), and tolerable weather condition, I would've been stuck inside my car for indifinite time, or break the window to get to exit. I would testify that this is a serious safety concern the manufacturer should investigate and provide permanent resolution.
NHTSA ODI #11596458
90,000 miles · Sep 5, 2019
Electrical SystemCrash
TL* THE CONTACT OWNS A 2008 BMW M3. THE CONTACT STATED THAT THE VEHICLE WAS PARKED IN REVERSE ON A HILL. THE EMERGENCY BRAKE WAS NOT APPLIED PROPERLY AND THE VEHICLE ROLLED DOWN THE HILL AND CRASHED INTO ANOTHER VEHICLE. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE AIR BAGS DID NOT DEPLOY. THE CONTACT'S VEHICLE SUSTAIN…
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TL* THE CONTACT OWNS A 2008 BMW M3. THE CONTACT STATED THAT THE VEHICLE WAS PARKED IN REVERSE ON A HILL. THE EMERGENCY BRAKE WAS NOT APPLIED PROPERLY AND THE VEHICLE ROLLED DOWN THE HILL AND CRASHED INTO ANOTHER VEHICLE. THERE WERE NO INJURIES. A POLICE REPORT WAS FILED. THE AIR BAGS DID NOT DEPLOY. THE CONTACT'S VEHICLE SUSTAINED DAMAGES TO THE HOOD, BUMPER, AND FENDER. THE VEHICLE WAS TOWED BY AAA TO AUTOMASTER BMW (3328 SHELBURNE RD, #3, SHELBURNE, VT 05482, (802) 985-1850) WHERE IT WAS DIAGNOSED THAT THE ELECTRICAL SYSTEM NEEDED TO BE REPLACED. THE ELECTRICAL SYSTEM WAS REPLACED; HOWEVER, THE BODY DAMAGE WAS NOT REPAIRED. THE CONTACT REFERENCED NHTSA CAMPAIGN NUMBER: 19V472000 (ELECTRICAL SYSTEM) AS A POTENTIAL CAUSE OF THE FAILURE, BUT HE HAD NOT RECEIVED A RECALL NOTICE. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE AND ASSISTED WITH THE REPAIR COST. THE VEHICLE WAS CURRENTLY AT AN INDEPENDENT MECHANIC TO HAVE THE BODY DAMAGE REPAIRED. THE FAILURE MILEAGE WAS APPROXIMATELY 90,000. *TR*JB
NHTSA ODI #11253458
56,000 miles · Nov 2, 2018
Electrical System
NHTSA RECALL NUMBER: 17V676 THIS RECALL WAS ISSUED OVER A YEAR AGO AND STILL HAVE YET TO BE CONTACTED BY BMW TO RESOLVE THE RECALL OR PROVIDE ANY RECOURSE. WHAT IS THE TYPICAL RESPONSE TIME?
NHTSA ODI #11144882
Mileage unknown · May 29, 2018
Air BagsElectrical System
TL* THE CONTACT OWNS A 2008 BMW M3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V676000 (ELECTRICAL SYSTEM); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (BASNEY BMW MAZDA, 52203 IN-933, SOUT…
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TL* THE CONTACT OWNS A 2008 BMW M3. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V676000 (ELECTRICAL SYSTEM); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (BASNEY BMW MAZDA, 52203 IN-933, SOUTH BEND, IN 46637, (574) 272-8504) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. VIN TOOL CONFIRMS PARTS NOT AVAILABLE.
NHTSA ODI #11098485
Mileage unknown · Sep 6, 2016
Electrical System
MY BMW HAVE HEADLIGHTS INSULATION FLAKING OFF, THIS IS REALLY SCARY BECAUSE I'M AFRAID TO GET MY CAR GETTING FIRE.
NHTSA ODI #10903810
41,706 miles · Aug 16, 2016
Electrical SystemFire
VEHICLE MILEAGE: 41,706 AFTER RECEIVING AN OIL CHANGE, I PICKED MY CAR UP AT MY LOCAL INDEPENDENT MECHANIC SHOP. WHEN TURNING THE CAR ON I NOTICED A MISFIRE WITH THE ENGINE. I TURNED THE CAR OFF AND ASKED THE SHOP TO TAKE A LOOK. THEY IDENTIFIED A MISFIRE IN CYLINDER #2. AFTER 30 SECONDS OF THE CAR BEING TURNED OFF, SMOKE START…
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VEHICLE MILEAGE: 41,706 AFTER RECEIVING AN OIL CHANGE, I PICKED MY CAR UP AT MY LOCAL INDEPENDENT MECHANIC SHOP. WHEN TURNING THE CAR ON I NOTICED A MISFIRE WITH THE ENGINE. I TURNED THE CAR OFF AND ASKED THE SHOP TO TAKE A LOOK. THEY IDENTIFIED A MISFIRE IN CYLINDER #2. AFTER 30 SECONDS OF THE CAR BEING TURNED OFF, SMOKE STARTED POURING OUT OF CYLINDER #2. AFTER 90 SECONDS OF AGGRESSIVELY SMOKING, THE FIRE PUT ITSELF OUT. IIT WAS FOUND THAT THE COIL PACK FOR CYLINDER #2 CAUGHT FIRE AND FRIED AN UPSTREAM DME CONTROL UNIT AS WELL. REPAIRS WERE STARTED THE NEXT DAY TO REPLACE ALL 8 COIL PACKS AND THE DME CONTROL UNIT. FORTUNATELY I WAS NOT DRIVING AND MY FAMILY WAS NOT IN THE CAR. I IMMEDIATELY CONTACTED BMW THROUGH THEIR ONLINE SYSTEM. AFTER 3 DAYS I CALLED THEIR HELP NUMBER. I THEN WAITED 2 DAYS FOR CONTACT FROM THEM. FINALLY I RECEIVED A PHONE CALL BACK, BY THIS TIME THE CAR WAS REPAIRED BY MY MECHANIC. BMW DENIED MY REQUEST FOR REIMBURSEMENT, STATING THE CAR WAS NOT AT A BMW DEALERSHIP WHEN IT CAUGHT FIRE. AFTER ESCALATING THE CONCERN WITHIN BMW TO THEIR INVESTIGATION TEAM, I WAS REQUESTED TO SUBMIT PHOTOS OF THE BURNT COIL PACK, AND REPAIR RECEIPTS. AFTER 5 WEEKS OF WAITING, THEY CONTACTED ME AND DENIED MY CLAIM AGAIN. WHEN I ASKED FOR THE INVESTIGATION REPORT, THEY STATED THAT NO INVESTIGATION WAS CONDUCTED AND THAT NO REPORT WOULD BE PROVIDED. I HAVE SINCE FOUND ANOTHER M3 OWNER WITH THE SAME FAILURE ON THE SAME MODEL VEHICLE WITH THE SAME MILEAGE. THE COIL PACK WAS ORIGINAL TO THE CAR, AND HAS NOT BEEN TOUCHED SINCE IT WAS BUILT BY BMW. THIS PART IS NOT LISTED FOR REPLACEMENT IN BMW'S MAINTENANCE SCHEDULE. I NO LONGER FEEL SAFE WITH MY FAMILY IN THE CAR. BMW REFUSES TO REIMBURSE ME FOR THE DAMAGES, NOR DO THEY CLAIM THAT THIS IS A BMW PART CONCERN. IF IT'S NOT A PART PROBLEM, THEN WHAT CAUSED IT TO CATCH FIRE?
NHTSA ODI #10896370
58,200 miles · Mar 27, 2015
Air BagsElectrical SystemSeats
PASSENGER RESTRAINT FAULT LIGHT CAME ON...SIMILAR PROBLEMS IN OTHER YEARS AND RECALLS FOR '06 MODEL YEAR BUT NOT THIS YEAR. *TR
NHTSA ODI #10702177
16,000 miles · Jan 13, 2014
Electrical SystemLatches/locks/linkages
TL* THE CONTACT OWNS A 2008 BMW M3. THE CONTACT STATED THAT THE DOORS FAILED TO UNLOCK, THE VEHICLE FAILED TO START, AND ALL THE ELECTRICAL COMPONENTS FAILED TO FUNCTION. THE CONTACT ALSO STATED THAT THE BATTERY WAS TESTED AND WAS IN WORKING CONDITION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS CONTACTED ABO…
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TL* THE CONTACT OWNS A 2008 BMW M3. THE CONTACT STATED THAT THE DOORS FAILED TO UNLOCK, THE VEHICLE FAILED TO START, AND ALL THE ELECTRICAL COMPONENTS FAILED TO FUNCTION. THE CONTACT ALSO STATED THAT THE BATTERY WAS TESTED AND WAS IN WORKING CONDITION. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS CONTACTED ABOUT THE FAILURE. THE FAILURE MILEAGE WAS 16,000. UPDATED 3/28/14*CN THE CONSUMER STATED THE BATTERY WAS REPLACED. *JB
NHTSA ODI #10559626
Mileage unknown · Apr 18, 2008
Electrical SystemUnknown Or Other
BMW M3 EXPERIENCING SOS FAILURE. CONSUMER STATES THAT THE SOS FAILURE WARNING AND RADIO DID NOT WORK. SHE STATES THAT IT WAS UNINTELLIGIBLE WHEN SHE PRESSED THE SOS BUTTON. DEALER STATED THAT IT WOULD BE OK. *KB THE CONSUMER WAS TOLD THE PROBLEM WAS CAUSED BY HIS NON BMW CELL PHONE WHICH WAS NOT COMPATIBLE WITH THE TCU, WHICH …
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BMW M3 EXPERIENCING SOS FAILURE. CONSUMER STATES THAT THE SOS FAILURE WARNING AND RADIO DID NOT WORK. SHE STATES THAT IT WAS UNINTELLIGIBLE WHEN SHE PRESSED THE SOS BUTTON. DEALER STATED THAT IT WOULD BE OK. *KB THE CONSUMER WAS TOLD THE PROBLEM WAS CAUSED BY HIS NON BMW CELL PHONE WHICH WAS NOT COMPATIBLE WITH THE TCU, WHICH CAUSED IT TO LOCKED UP AND SHUT DOWN DIFFERENT FUNCTIONS IN THE VEHICLE. *JB
NHTSA ODI #10225131
Official recalls
5Jan 15, 2020
BMW of North America, LLC (BMW) is recalling certain 2008-2013 128i and 135i Convertibles, 128i, 135i, and M Coupes, 2007-2010 X3 30si and X3 xDrive30i, 2013-2015 X1 sDrive28i, X1 xDrive28i and X1 xDrive35i, 2007-2013 328i, 328i xDrive, 335i, 335is, 335i xDrive and M3 Coupes, 2006-2011 328i, 328xi, 328i xDrive, 325i, 325xi, 330i, 330xi, 335i, 335xi, 335i xDrive and M3, 2009-2011 335D, 2006-2012 325xi, 328i, 328xi and 328i xDrive, 2010-2011 X6 ActiveHybrid, 2007-2013 328i, 335i, 335is, M3 Coupes, X5 30si, X5 xDrive30i, X5 xDrive35i, X5 48i, X5 xDrive48i, X5 xDrive50i and X5 M, 2009-2013 X5 xDrive35d and 2008-2014 X6 xDrive35i, X6 xDrive50i and X6M vehicles equipped with non-desiccated driver frontal air bag inflators containing phase stabilized ammonium nitrate (PSAN) that were used as interim remedy parts for previous Takata recalls. These inflators may explode due to propellant degradation occurring after long-term exposure to high absolute humidity, high temperatures, and high temperature cycling.
Consequence & remedy
Consequence: An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: BMW will notify owners, and dealers will replace the driver air bag. On X5 and X6 vehicles, only the inflator will be replaced. All repairs will be performed free of charge. The recall began March 11, 2020. Owners may contact BMW customer service at 1-800-525-7417.
Jun 19, 2019
BMW of North America, LLC (BMW) is recalling certain 2009 328i and 328xi, 2009-2011 335d, 2008-2012 M3 Coupe and M3 Convertible, and 2008-2011 M3 Sedan vehicles. The connection of the positive battery cable at the fuse box terminal may degrade, resulting in an intermittent loss of electrical power.
Consequence & remedy
Consequence: A loss of electrical power can cause the vehicle to stall, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will replace and secure the positive battery cable connector, free of charge. The recall began August 14, 2019. Owners may contact BMW customer service at 1-800-525-7417. Note: This recall is an expansion of a previous recall, number 18V-314.
Additional source detail variants (3)
Electrical System:wiring:fuses And Circuit Breakers
BMW of North America, LLC (BMW) is recalling certain 2009 328i and 328xi, 2009-2011 335d, 2008-2012 M3 Coupe and M3 Convertible, and 2008-2011 M3 Sedan vehicles. The connection of the positive battery cable at the fuse box terminal may degrade, resulting in an intermittent loss of electrical power.
Consequence: A loss of electrical power can cause the vehicle to stall, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will replace and secure the positive battery cable connector, free of charge. The recall began August 14, 2019. Owners may contact BMW customer service at 1-800-525-7417. Note: This recall is an expansion of a previous recall, number 18V-314.
Electrical SYSTEM:12V/24V/48V Battery:cables
BMW of North America, LLC (BMW) is recalling certain 2009 328i and 328xi, 2009-2011 335d, 2008-2012 M3 Coupe and M3 Convertible, and 2008-2011 M3 Sedan vehicles. The connection of the positive battery cable at the fuse box terminal may degrade, resulting in an intermittent loss of electrical power.
Consequence: A loss of electrical power can cause the vehicle to stall, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will replace and secure the positive battery cable connector, free of charge. The recall began August 14, 2019. Owners may contact BMW customer service at 1-800-525-7417. Note: This recall is an expansion of a previous recall, number 18V-314.
Electrical System
BMW of North America, LLC (BMW) is recalling certain 2009 328i and 328xi, 2009-2011 335d, 2008-2012 M3 Coupe and M3 Convertible, and 2008-2011 M3 Sedan vehicles. The connection of the positive battery cable at the fuse box terminal may degrade, resulting in an intermittent loss of electrical power.
Consequence: A loss of electrical power can cause the vehicle to stall, increasing the risk of a crash.
Remedy: BMW will notify owners, and dealers will replace and secure the positive battery cable connector, free of charge. The recall began August 14, 2019. Owners may contact BMW customer service at 1-800-525-7417. Note: This recall is an expansion of a previous recall, number 18V-314.
Oct 25, 2017
BMW of North America, LLC (BMW) is recalling certain 2006-2011 323i, 325i, 325xi, 328i, 328xi, 330i, 330xi, 335i, 335xi and M3, 2007-2011 328i xDrive, 335i xDrive and 335is and 2009-2011 335d vehicles. The wiring and electrical connectors for the system that controls air flow for the heating and air conditioning system may overheat.
Consequence & remedy
Consequence: Wiring that overheats could cause the electrical connectors to melt, and increase the risk of a fire, even when the vehicle is unattended.
Remedy: BMW will notify owners, and dealers will replace the wiring and electrical connectors, free of charge. Interim letters were mailed on November 27, 2017. Owners will receive a second notice when the remedy becomes available. Owners may contact BMW customer service at 1-800-525-7417.
Feb 5, 2016
BMW of North America, LLC (BMW) is recalling certain model year 2008-2013 128i and 135i coupes and convertibles and 1 Series M coupes, 2006-2011 325i, 325xi, 328i, 328xi, 328i xDrive, 330i, 330xi, 335i, 335xi, 335i xDrive Sedans, 2009-2011 335d sedans, 2006-2012 325xiT, 328i and 328xi sports wagons, 2007-2013 328i, 328xi, 328i xDrive, 335i, 335xi, 335i xDrive, 335is and M3 Coupes and Convertibles, 2013-2015 X1 sDrive28i, X1 xDrive28i and X1 xDrive35i SAVs, 2007-2010 X3 xDrive30i SAVs, 2007-2013 X5 xDrive30i, X5 xDrive35i, X5 xDrive48i, X5 xDrive50i and X5 M SAVs, 2009-2013 BMW X5 xDrive35d SAVs, 2008-2014 X6 xDrive35i, X6 xDrive50i, and X6 M SACs, 2010-2011 BMW X6 xDrive50i SACs and 2008-2011 M3 Sedan vehicles. Upon deployment of the driver's frontal air bag, excessive internal pressure may cause the inflator to rupture.
Consequence & remedy
Consequence: In the event of a crash necessitating deployment of the driver's frontal air bag, the inflator could rupture with metal fragments striking the driver or other occupants resulting in serious injury or death.
Remedy: BMW will notify owners, and dealers will replace the driver's frontal air bag module or inflator depending on the vehicle model, free of charge. The recall began March 9, 2018. Owners may contact BMW customer service at 1-800-525-7417.
Nov 14, 2008
BMW IS RECALLING 2,500 MY 2008-2009 M3 PASSENGER VEHICLES WITH AN OPTIONAL DOUBLE CLUTCH TRANSMISSION. THE PROBLEM INVOLVES THE DOUBLE CLUTCH GEARBOX. IN A SITUATION OF RAPID VEHICLE DECELERATION, THE TRANSMISSION SOFTWARE MAY PERFORM A MULTISTAGE DOWNSHIFT.
Consequence & remedy
Consequence: IN THAT SITUATION, AT LOW VEHICLE SPEEDS, IT IS POSSIBLE FOR THE ENGINE TO STALL INCREASING THE RISK OF A CRASH.
Remedy: DEALERS WILL REPROGRAM THE ENGINE AND TRANSMISSION ELECTRONIC CONTROL UNIT WITH UPDATED SOFTWARE FREE OF CHARGE. THE RECALL BEGAN ON DECEMBER 3, 2008. OWNERS MAY CONTACT BMW AT 1-800-831-1117.
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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