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2012 Mazda MAZDA3

Owner reports · Recalls · Investigations

More warning signs than most MAZDA3 years

Owner complaints for the 2012 Mazda MAZDA3 are substantially higher than the model-year median of 108.

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When problems were reported

Mileage at the reported incident

171 reports with mileage · 55 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.

  • Power Train. Review the 40 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 32 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Exterior Lighting. Review the 31 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

9 crash reports1 fire reports3 injury reports

Electronic Stability Control (esc) complaints

16 reports
Clear category filter
105,000 miles · Nov 7, 2017
Electronic Stability Control (esc)

I WAS DRIVING 30 MPH ON A SMALL RURAL ROAD GOING THROUGH A RIGHT-HAND TURN WHEN THE A/T, ENGINE, AND STABILITY CONTROL LIGHTS CAME ON. I PUSHED THE STABILITY CONTROL SWITCH IN ATTEMPT TO SHUT IT OFF BUT TO NO AVAIL. I STOPPED AND TURNED THE IGNITION OFF BUT THAT DIDN'T RESOLVE THE ISSUE EITHER. I DROVE IT HOME BUT IT WASN'T …

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I WAS DRIVING 30 MPH ON A SMALL RURAL ROAD GOING THROUGH A RIGHT-HAND TURN WHEN THE A/T, ENGINE, AND STABILITY CONTROL LIGHTS CAME ON. I PUSHED THE STABILITY CONTROL SWITCH IN ATTEMPT TO SHUT IT OFF BUT TO NO AVAIL. I STOPPED AND TURNED THE IGNITION OFF BUT THAT DIDN'T RESOLVE THE ISSUE EITHER. I DROVE IT HOME BUT IT WASN'T EASY. THE CAR HAD NO ACCELERATION (NO TORQUE) AND COULD BARELY GET UP THE HILL TO MY HOME. I HAD THE CAR TOWED TO THE DEALER. THEY ARE REPLACING AN ELECTRONIC MODULE THAT COMMUNICATES BETWEEN THE ENGINE AND TRANSMISSION. THE MODULE AND LABOR IS $1,000+. THE CAR HAS BEEN WELL MAINTAINED AND HAS 105,000 MILES AND IS ONLY DRIVEN ON FREEWAYS AND NORMAL SURFACE STREETS.

NHTSA ODI #11044096

101,000 miles · Jan 19, 2017
Electrical SystemElectronic Stability Control (esc)Engine

CRUISE QUIT WORKING, TRACTION CONTROL LIGHT CAME ON AND SHORTLY THEREAFTER THE CHECK ENGINE LIGHT CAME ON. THEN ALL THE LIGHTS ON THE DASH STARTED FLASHING AND WENT INTO LIMP MODE. CAR DECELERATED AND I PULLED OVER TO THE SIDE OF THE ROAD. TURNED CAR OFF AND THEN IT WOULDN'T START. WAITED ABOUT 10 MIN AND RESTARTED SUCCESSFU…

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CRUISE QUIT WORKING, TRACTION CONTROL LIGHT CAME ON AND SHORTLY THEREAFTER THE CHECK ENGINE LIGHT CAME ON. THEN ALL THE LIGHTS ON THE DASH STARTED FLASHING AND WENT INTO LIMP MODE. CAR DECELERATED AND I PULLED OVER TO THE SIDE OF THE ROAD. TURNED CAR OFF AND THEN IT WOULDN'T START. WAITED ABOUT 10 MIN AND RESTARTED SUCCESSFULLY WITH THE CHECK ENGINE AND TRACTION CONTROL LIGHT STILL ON. DROVE ANOTHER 70 MILES GOING IN AND OUT OF LIMP MODE WITH DASH LIGHTS FLASHING ON & OFF. TOOK TO DEALER AND REPLACED THE ANGLE (SP?) SENSOR IN STEERING WHEEL. DEALER RESET ALL CODES AND IT'S DONE IT TWICE SINCE GETTING CAR BACK, DEALER CAN'T FIGURE OUT WHAT'S WRONG. HAVE TO GO IN AND HAVE THE CODES RESET EVERY TIME TO GET IT BACK TO RUNNING AGAIN.

NHTSA ODI #10946508

40,000 miles · Dec 29, 2014
Electronic Stability Control (esc)EngineFuel/propulsion System

DRIVING AT 70MPH, LOST ACCELERATION AND MULTIPLE ENGINE LIGHTS CAME ON. HAD TO MOVE OVER TO EMERGENCY LANE ON INTERSTATE AND DRIVING TO NEAREST EXIT AT APPROX 40MPH. CAR TOWED TO DEALER FOR REPAIR. *TR

NHTSA ODI #10668639

30,000 miles · Jul 29, 2014
Electronic Stability Control (esc)

I WAS DRIVING ON A CITY STREET, STOPPED FOR A RED LIGHT, THEN WHEN I TRIED TO ACCELERATE IT WAS REALLY SLOW. I LOOKED AT THE DASH AND SAW THE TCS/DSC LIGHT WAS ILLUMINATED. AS I CONTINUED DRIVING THE ACCELERATION CONTINUED TO BE REALLY SLOW AND WOULDN'T GO ABOVE 2000 RPMS, TOP SPEED WAS 40MPH. I LIMPED HOME LIKE THIS WITH MY HAZ…

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I WAS DRIVING ON A CITY STREET, STOPPED FOR A RED LIGHT, THEN WHEN I TRIED TO ACCELERATE IT WAS REALLY SLOW. I LOOKED AT THE DASH AND SAW THE TCS/DSC LIGHT WAS ILLUMINATED. AS I CONTINUED DRIVING THE ACCELERATION CONTINUED TO BE REALLY SLOW AND WOULDN'T GO ABOVE 2000 RPMS, TOP SPEED WAS 40MPH. I LIMPED HOME LIKE THIS WITH MY HAZARDS ON, PARKED FOR AN HOUR OR SO, THEN STARTED THE CAR AGAIN TO SEE IF THE LIGHT WAS STILL ON IT HAD GONE OFF SO I DROVE AROUND THE BLOCK AND IT RAN PERFECTLY FINE. I CALLED THE LOCAL DEALERSHIP TO SEE IF I SHOULD BRING IT IN AND WAS TOLD IT WOULD BE A WASTE OF TIME IF THE LIGHT IS NOT CURRENTLY ON AND IT'S RUNNING FINE. WHEN I ASKED IF HE HAD HEARD OF THIS HAPPENING WITH THE 2012 MAZDA 3 SKYACTIV HE SAID A FEW TIMES. THAT ALONG WITH READING ON THIS SITE THAT THERE ARE SEVERAL OTHER SIMILAR COMPLAINTS TELLS ME THIS IS NOT AN ISOLATED ISSUE. I'M JUST GLAD I WASN'T ON THE FREEWAY WITH MY BABY IN THE CAR. THAT WOULD HAVE BEEN VERY DANGEROUS. I'M SURE MAZDA DOESN'T WANT TO WAIT UNTIL SOMEONE IS INJURED OR KILLED BEFORE THEY DO SOMETHING ABOUT THIS, RIGHT? *JS

NHTSA ODI #10617441

16,490 miles · May 12, 2014
Electronic Stability Control (esc)EngineVehicle Speed Control

I WAS DRIVING ALONG A CITY STREET ON THE WAY TO A MALL WHEN I NOTICED THE TRACTION CONTROL WARNING LIGHT COME ON. MY CAR THEN STARTED TO DECELERATE. I PRESSED ON THE GAS AND NOTICED THAT THE NEEDLE ON MY TACHOMETER WAS RUNNING HIGH INDICATING HIGH RATE OF RPM. I COULD NOT DRIVE FASTER THAN 35 MPH FOR FEAR OF REDLINING AND POS…

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I WAS DRIVING ALONG A CITY STREET ON THE WAY TO A MALL WHEN I NOTICED THE TRACTION CONTROL WARNING LIGHT COME ON. MY CAR THEN STARTED TO DECELERATE. I PRESSED ON THE GAS AND NOTICED THAT THE NEEDLE ON MY TACHOMETER WAS RUNNING HIGH INDICATING HIGH RATE OF RPM. I COULD NOT DRIVE FASTER THAN 35 MPH FOR FEAR OF REDLINING AND POSSIBLY DAMAGING THE ENGINE. I WENT BACK HOME AND PARKED MY CAR. LATER WHEN I STARTED MY CAR THE TRACTION CONTROL WARNING LIGHT HAD TURNED OFF AND I WAS ABLE TO DRIVE THE CAR NORMALLY AGAIN. THIS IS A VERY SERIOUS MATTER THAT COULD RESULT IN SERIOUS ACCIDENT IF IT HAD HAPPENED ON A FREEWAY OR ON A MOUNTAIN ROAD. I NO LONGER FEEL SAFE DRIVING THIS CAR, NOT KNOWING WHEN THIS MIGHT OCCUR AGAIN. I WILL BE HAVING THE CAR INSPECTED AT THE DEALERSHIP SINCE IT IS STILL UNDER WARRANTY. *TR

NHTSA ODI #10587871

25,000 miles · Apr 11, 2014
Electronic Stability Control (esc)

DRIVING ON THE FREEWAY AND CAR LOST POWER, EVEN WHEN PUSHING ON THE GAS PEDAL I COULD NOT GET THE SPEED TO GO PAST 40, VERY DANGEROUS ON A FREEWAY. HAD TO GET ALL THE WAY OVER TO GET OFF THE FREEWAY, GOING 40, WITH PEOPLE GOING 80 MILES PER HOUR AROUND ME! LUCKY I WAS NOT HIT! TRACTION CONTROL LIGHT WAS ON AND STAYED ON THE ENT…

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DRIVING ON THE FREEWAY AND CAR LOST POWER, EVEN WHEN PUSHING ON THE GAS PEDAL I COULD NOT GET THE SPEED TO GO PAST 40, VERY DANGEROUS ON A FREEWAY. HAD TO GET ALL THE WAY OVER TO GET OFF THE FREEWAY, GOING 40, WITH PEOPLE GOING 80 MILES PER HOUR AROUND ME! LUCKY I WAS NOT HIT! TRACTION CONTROL LIGHT WAS ON AND STAYED ON THE ENTIRE TIME. PULLED OFF FREEWAY AND CALLED THE DEALER THEY HAD ME COME IN AND SAID THEY RESET THE COMPUTER BECAUSE THEY COULD NOT FIND AN ERROR CODE. THEN IT JUST HAPPENED AGAIN ON THE FREEWAY, I WAS CHANGING LANES AND THE TRACTION CONTROL LIGHT CAME ON AND AGAIN I HAD NO POWER EVEN WITH THE GAS PEDAL PUSHED ALL THE WAY DOWN. IT WAS A SUNNY 75 DEGREE DAY SO NO REASON FOR IT TO COME ON. THIS HAPPENS RANDOMLY AND IS VERY DANGEROUS!! I TOOK INTO THE DEALER AND AGAIN THEY SAID NO ERROR CODE SO IF IT HAPPENS AGAIN BRING IT IN. I TRIED TO TELL THEM WHEN THIS HAPPENS IT IS NOT SAFE TO DRIVE IT. THIS NEEDS TO BE INVESTIGATED BEFORE SOME ONE GETS INJURED OR KILLED BECAUSE OF THIS MALFUNCTION! *JS

NHTSA ODI #10579271

26,900 miles · Dec 10, 2013
Electronic Stability Control (esc)Power Train

TL* THE CONTACT OWNS A 2012 MAZDA MAZDA 3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE TRACTION SKID WARNING LIGHT ILLUMINATED. THE VEHICLE INDEPENDENTLY SHIFTED INTO A LOW GEAR AND WOULD NOT ACCELERATE. THE FAILURE WAS RECURRING. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSIS HOWEVER, THE TECHNICIAN WAS …

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TL* THE CONTACT OWNS A 2012 MAZDA MAZDA 3. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 65 MPH, THE TRACTION SKID WARNING LIGHT ILLUMINATED. THE VEHICLE INDEPENDENTLY SHIFTED INTO A LOW GEAR AND WOULD NOT ACCELERATE. THE FAILURE WAS RECURRING. THE VEHICLE WAS TOWED TO THE DEALER FOR DIAGNOSIS HOWEVER, THE TECHNICIAN WAS UNABLE TO DIAGNOSE THE FAILURE. THE MANUFACTURER WAS NOT MADE AWARE OF THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE APPROXIMATE FAILURE MILEAGE WAS 26,900. *TR

NHTSA ODI #10555461

13,200 miles · Sep 2, 2013
Electrical SystemElectronic Stability Control (esc)Exterior Lighting

WHILE DRIVING AT APPROX. 45 MPH WITH CRUISE CONTROL ENGAGED; THE HEADLIGHTS TURNED OFF FOR ABOUT 2 SECONDS THEN CAME BACK ON. WHEN THE HEADLIGHTS CAME BACK ON THE TRACTION CONTROL LIGHT ILLUMINATED. THE WHOLE ISSUE GAVE THE APPEARANCE OF PART OF THE ELECTRICAL SYSTEM LOSING POWER AND THE POWER THEN BEING RESTORED. DURING THE INC…

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WHILE DRIVING AT APPROX. 45 MPH WITH CRUISE CONTROL ENGAGED; THE HEADLIGHTS TURNED OFF FOR ABOUT 2 SECONDS THEN CAME BACK ON. WHEN THE HEADLIGHTS CAME BACK ON THE TRACTION CONTROL LIGHT ILLUMINATED. THE WHOLE ISSUE GAVE THE APPEARANCE OF PART OF THE ELECTRICAL SYSTEM LOSING POWER AND THE POWER THEN BEING RESTORED. DURING THE INCIDENT THE ENGINE DID NOT APPEAR TO LOSE POWER, NOR DID THE CRUISE CONTROL DISENGAGE. *JS

NHTSA ODI #10538337

24,000 miles · Aug 8, 2013
Electronic Stability Control (esc)EngineVehicle Speed Control

AFTER TAKING A LEFT HAND TURN ONTO A LOCAL ROAD,I NOTICED THAT MY CAR WAS DECELERATING DESPITE THE FACT I WAS PRESSING ON THE GAS. THE TRACTION CONTROL LIGHT ON THE DASH CAME ON AND THE CAR APPEARED TO BE STUCK IN 1ST OR 2ND GEAR; I COULD NOT GO FASTER THAN 40 MPH WITHOUT THE RPMS GOING TOO HIGH. THIS CAR HAS AUTOMATIC TRANSMISS…

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AFTER TAKING A LEFT HAND TURN ONTO A LOCAL ROAD,I NOTICED THAT MY CAR WAS DECELERATING DESPITE THE FACT I WAS PRESSING ON THE GAS. THE TRACTION CONTROL LIGHT ON THE DASH CAME ON AND THE CAR APPEARED TO BE STUCK IN 1ST OR 2ND GEAR; I COULD NOT GO FASTER THAN 40 MPH WITHOUT THE RPMS GOING TOO HIGH. THIS CAR HAS AUTOMATIC TRANSMISSION. I TRIED TURNING OFF THE TRACTION CONTROL BY PRESSING ITS BUTTON, BUT THIS DID NOT WORK. I ALSO TRIED SWITCHING TO MANUAL MODE BUT COULDN'T GET THE CAR TO SHIFT OR THE TRACTION CONTROL LIGHT TO SHUTOFF. I FINALLY HAD TO PULL OVER AND RESTART THE CAR TO GET THE LIGHT TO TURN OFF AND THE TRANSMISSION TO ACT NORMALLY. I HAVE SEEN OTHERS POST A SIMILAR PROBLEM, THOUGH THEY WERE IN MUCH MORE SERIOUS ENVIRONMENTS - ON THE HIGHWAY GOING 70 AND ALL OF A SUDDEN HAVING TO PULL ACROSS TRAFFIC AND RESTART THE CAR BECAUSE OF THIS WEIRD TRANSMISSION-TRACTION CONTROL ISSUE. THIS CREATES FOR AN INCREDIBLY DANGEROUS SITUATION AND I AM PETRIFIED OF THIS HAPPENING AGAIN IN A SIMILAR SCENARIO. THIS IS SOMETHING MAZDA NEEDS TO ADDRESS IMMEDIATELY. *TR

NHTSA ODI #10534399

8,000 miles · Jul 23, 2013
Electronic Stability Control (esc)Vehicle Speed Control

I WAS DRIVING IN CITY IN THE EVENING TEMP. ABOUT 65-70 F,DRY AND SMOOTH ROAD(MY DAILY ROUTE TO WORK) IN STEADY SPEED OF I WOULD SAY 45 MPH, TRYING TO CHANGE LANE MY CAR TRACTION LIGHT WENT ON AND ENGINE LIGHT AND AT LIGHT BELOW MY GEAR SCREEN, MY CAR LOCKED MY TRANSMISSION,CAR WAS IN DRIVE MODE SO I PUT ON MANUAL TO TRY CHANGE G…

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I WAS DRIVING IN CITY IN THE EVENING TEMP. ABOUT 65-70 F,DRY AND SMOOTH ROAD(MY DAILY ROUTE TO WORK) IN STEADY SPEED OF I WOULD SAY 45 MPH, TRYING TO CHANGE LANE MY CAR TRACTION LIGHT WENT ON AND ENGINE LIGHT AND AT LIGHT BELOW MY GEAR SCREEN, MY CAR LOCKED MY TRANSMISSION,CAR WAS IN DRIVE MODE SO I PUT ON MANUAL TO TRY CHANGE GEAR MANUALLY BUT DID NOT CHANGE GEAR, I WAS STUCK ON ONE GEAR AND I COULD NOT SLOW DOWN BECAUSE I WOULD LOOSE MY RPM MIDDLE OF THE ROAD, I DROVE ABOUT 2 MILE TILL I HAD SAFE PLACE TO STOP, PULLED OVER TURN OFF THE CAR AND WAIT FOR FEW MINUTES,THEN TURN ENGINE BACK ON,TRACTION LIGHT WAS OFF SO AS THE AT LIGHT BUT ENGINE LIGHT WAS STILL ON,CAR WAS BEHAVING NORMAL AND I COULD DRIVE IT HOME, NEXT DAY I TOOK IT TO DEALER I TURNED IT OFF FOR WAITING TO CHECK-IN MY CAR WHEN THE DEALER SERVICE PERSONAL TURNED IT ON AS SHE SAID THE ENGINE LIGHT WAS OFF TOO, BE SHE SAID WE KEEP IT TO MAKE SURE ITS FINE,I GOT A RENTAL CAR FROM THEM,THEY TOLD ME IF SOMETHING IS WRONG MAZDA WILL PAY FOR RENTAL, THEY KEPT THE CAR OVERNIGHT,MECHANIC DROVE IT WITH HIM HOME, DID NOT FIND ANYTHING WRONG WITH IT,THEY CONTACT MAZDA AND REMOTELY CHECKED THE SKYACTIV COMPUTER, DID NOT FIND ANYTHING EITHER, THEY UPDATE THE COMPUTER SOFTWARE AS THEY TOLD ME AND THEY WERE GUESSING IT WAS A COMPUTER GLITCH BUT THEY WAVED THE RENTAL CAR FOR DAY AND HALF!! SINCE THEN IT NEVER HAPPENED AGAIN,I EVEN TESTED THE TRACTION FUNCTION IN SLIPPERY ROAD AND WORKS FINE. *TR

NHTSA ODI #10531512

Official recalls

1

16V644000 · Structure:body:hatchback/liftgate

Sep 6, 2016

Mazda North American Operations (Mazda) is recalling certain model year 2010-2013 Mazda3 and Mazdaspeed3 vehicles manufactured November 18, 2008, to June 8, 2013, 2012-2015 Mazda5 vehicles manufactured October 26, 2010, to June 22, 2015, 2016 CX-3 vehicles manufactured June 1, 2015, to December 26, 2015, and 2013-2016 CX-5 vehicles manufactured December 15, 2011, to December 26, 2015. On the affected vehicles, the lift gate support struts may corrode, possibly causing the struts to break and/or the lift gate to drop unexpectedly.

Consequence & remedy

Consequence: If the lift gate falls unexpectedly, it may hit the user, increasing their risk of injury.

Remedy: Mazda dealers will replace the both lift gate supports, free of charge, however parts are not currently available. The recall began April 2017. Owners may contact Mazda customer service at 1-800-222-5500. Mazda's number for this recall is 9916H.

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.