IllustrationHemi Tick. The problem is so bad there is a common name for Stelantis 5.7 Hemi engine. Nothing else needs to be said the problem is well documented.
2016 Dodge Challenger
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 2016 Dodge Challenger do not stand out strongly from the model-year median of 45.
About this comparison →How this year compares
Owner complaints by model year
Compare all Challenger 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
260–25K
1325–50K
350–75K
275–100K
2100–150K
1150K+
47 reports with mileage · 31 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 16 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Electrical System. Review the 15 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Engine. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
10 crash reports2 fire reports9 injury reports
Engine complaints
12 reportsCenter bond of crankshaft Damper falling-off front of engines on the highway due to defective bonding material in manufacturing causing failure in rubber bonding. At highways speeds, a 10lb chunk of metal will fall-off HEMI engines & create a flying projectile at other motorists on the road causing damage or death to other vehic…
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Center bond of crankshaft Damper falling-off front of engines on the highway due to defective bonding material in manufacturing causing failure in rubber bonding. At highways speeds, a 10lb chunk of metal will fall-off HEMI engines & create a flying projectile at other motorists on the road causing damage or death to other vehicles/drivers and/or pedestrians. Owners who are unaware of this safety-issue will be unaware that their crankshaft-damper has fallen off due to not realizing a piece of the engine is now missing, thus creating possibility of engine failure due to No Vibration Dampening any longer attached to the crankshaft pulley.
The contact owns a 2016 Dodge Challenger. The contact stated that while operating the vehicle, there was a knocking and ticking sound coming from the engine compartment. The vehicle was taken to the local dealer who diagnosed that the engine lifters and rocker's arms were faulty and needed to be replaced. The vehicle was not yet…
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The contact owns a 2016 Dodge Challenger. The contact stated that while operating the vehicle, there was a knocking and ticking sound coming from the engine compartment. The vehicle was taken to the local dealer who diagnosed that the engine lifters and rocker's arms were faulty and needed to be replaced. The vehicle was not yet repaired. The manufacturer and local dealer were notified of the failure but no assistance was offered. The failure mileage was 78,000.
TL* THE CONTACT OWNS A 2016 DODGE CHALLENGER. THE CONTACT STATED WHILE DRIVING AT VARIOUS SPEEDS, THE OIL HOUSING FILTER LEAKED ONTO THE ENGINE AND TRANSMISSION. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO WOLFCHASE CHRYSLER DODGE JEEP RAM (8170 US-64, BARTLETT, TN 38133) WHERE IT WAS DIAGNOSED …
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TL* THE CONTACT OWNS A 2016 DODGE CHALLENGER. THE CONTACT STATED WHILE DRIVING AT VARIOUS SPEEDS, THE OIL HOUSING FILTER LEAKED ONTO THE ENGINE AND TRANSMISSION. THE CONTACT STATED NO WARNING LIGHT WAS ILLUMINATED. THE VEHICLE WAS TAKEN TO WOLFCHASE CHRYSLER DODGE JEEP RAM (8170 US-64, BARTLETT, TN 38133) WHERE IT WAS DIAGNOSED WITH THE OIL HOUSING FILTER NEEDING TO BE REPLACED. THE DEALER INFORMED THE CONTACT THAT THE PART WAS ON BACK ORDER AND COULD NOT FIX UNTIL THE PART BECAME AVAILABLE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER HAD NOT BEEN INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS APPROXIMATELY 59,000.
CHRYSLER MAKER OF DODGE CHALLENGER 2016 AND OTHER MODELS AND OTHER YEARS ARE AWARE OF A MAJOR DEFECT. THE OIL FILTER HOUSING ON MANY MAKES AND MODELS LEAK LOTS OF OIL. AS OF RIGHT NOW THERE ARE 40,000 OF THIS PART ON BACK ORDER. THEY LEAK OIL OVER THE TOP OF THE ENGINE AND TRANSMISSION. THE BURNING OIL PUTS FUMES IN THE CAR AS…
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CHRYSLER MAKER OF DODGE CHALLENGER 2016 AND OTHER MODELS AND OTHER YEARS ARE AWARE OF A MAJOR DEFECT. THE OIL FILTER HOUSING ON MANY MAKES AND MODELS LEAK LOTS OF OIL. AS OF RIGHT NOW THERE ARE 40,000 OF THIS PART ON BACK ORDER. THEY LEAK OIL OVER THE TOP OF THE ENGINE AND TRANSMISSION. THE BURNING OIL PUTS FUMES IN THE CAR AS YOU ARE DRIVING. THIS CAN MAKE YOU SLEEPY AND THE CAR CAN CATCH FIRE IN THE RIGHT ENVIRONMENT. YOU CANT TAKE A PICTURE OF THE PART WITHOUT REMOVING THE UPER AND LOWER INTAKE. I SENT A PIC OF THE OIL IN MY DRIVE. PLEASE GOOGLE THIS AND SEE THAT THIS NOT A ISOLATED THING BUT A COMMON ALWAYS GONNA HAPPEN THING. THE BURNING OIL MAKES ME FEEL SICK.
LIFTER NOISE VERY BAD AFTER SITTING STILL TICKS WHEN WARM WAS TOLD BY DODGE THEY ALL DO THAT
THE ICON CAME ON TO TELL ME SERVICE IMMEDIATELY, IT'S BOGGING DOWN WHEN IT'S IN GEAR AND THE MOTOR IS EXTREMELY HOT
ABOUT A WEEK OR TWO AGO I REMOTE STARTED MY VEHICLE WITH THE FACTORY REMOTE STARTER. I ENTERED THE VEHICLE WHICH WAS STATIONARY, PUSHED THE START BUTTON TO COMPLETE THE ACTIVATION. THE VEHICLE STARTED AND RAN NORMALLY, ABOUT A MINUTE OR TWO LATER THE VEHICLE IDLED ROUGHLY AND SHUTOFF, ALL THE DASHBOARD CLUSTER LIGHTS AND SIDE MI…
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ABOUT A WEEK OR TWO AGO I REMOTE STARTED MY VEHICLE WITH THE FACTORY REMOTE STARTER. I ENTERED THE VEHICLE WHICH WAS STATIONARY, PUSHED THE START BUTTON TO COMPLETE THE ACTIVATION. THE VEHICLE STARTED AND RAN NORMALLY, ABOUT A MINUTE OR TWO LATER THE VEHICLE IDLED ROUGHLY AND SHUTOFF, ALL THE DASHBOARD CLUSTER LIGHTS AND SIDE MIRROR PROXIMITY LIGHTS CAME ON. THE PUSH BUTTON WAS ALSO ILLUMINATED IN THE "RUN" POSITION. I TRIED TO PUSH THE START BUTTON AND NOTHING HAPPENED, I TRIED TO OPEN MY DRIVERS DOOR AND IT WOULD NOT OPEN AS THE WINDOW WOULD NOT ROLL DOWN TO ALLOW ME TO OPEN THE DOOR (FRAME LESS DOOR), IF I HAD FORCED THE DOOR OPEN THE WINDOW WOULD HAVE BROKE. I WAS STUCK INSIDE MY VEHICLE WHICH WAS STATIONARY AND NOT IN DRIVE. I THEN PRESSED THE UNLOCK FUNCTION ON THE KEY FOB AND THE CAR MADE ALL THE NOISES TO UNLOCK, I AGAIN TRIED OPENING THE DOOR AND THE WINDOW WOULD NOT ROLL DOWN. I THEN TRIED PUSHING THE START BUTTON AND THE BUTTON WOULD NOT COME OUT OF "RUN" MODE. I PRESSED THE LOCK FUNCTION ON THE KEY FOB, THE VEHICLE MADE ALL THE NOISES OF LOCKING (HORN, FLASHING LIGHTS, ACTUATOR NOISE FOR LOCK) BUT THE DOOR STILL WOULD NOT OPEN AS THE WINDOW WOULD NOT ROLL DOWN; THE VEHICLE START BUTTON WAS STILL IN "RUN" MODE. I PRESSED THE LOCK AND UNLOCK BUTTON A FEW MORE TIMES UNTIL I WAS FINALLY ABLE TO OPEN THE DOOR. ONCE THE DOOR WAS OPEN I CONTINUE PRESSING THE LOCK/UNLOCK BUTTON ON THE KEY FOB, THE VEHICLE FINALLY LET ME PUSH THE START BUTTON TO TAKE IT OUT OF "RUN" MODE. ONCE THE VEHICLE WENT "OFF" I WAS ABLE TO START IT BY PUSHING THE START BUTTON. ON MAY 22, 2018 I TOOK THE VEHICLE TO GRESHAM DODGE DEALERSHIP, THEY RAN A QUICK DIAGNOSTIC AND SAID THERE WAS NO EVENT STORED, THAT I WOULD HAVE TO LET IT HAPPEN AGAIN BEFORE THEY COULD DO ANYTHING.
2016 DODGE CHALLENGER 392 ENGINE. WHEN SHIFTING THE MANUAL TRANSMISSION FROM SECOND TO THIRD GEAR, THERE IS A SEVERE HESITATION THAT LASTS A FEW SECONDS. THIS HESITATION IS SO SEVERE THAT I HAVE NEARLY BEEN INVOLVED IN 2 ACCIDENTS. ONCE WHILE TURNING LEFT IN FRONT OF ON-COMING TRAFFIC AND ONCE WHILE TRYING TO MERGE ONTO A HIGHWA…
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2016 DODGE CHALLENGER 392 ENGINE. WHEN SHIFTING THE MANUAL TRANSMISSION FROM SECOND TO THIRD GEAR, THERE IS A SEVERE HESITATION THAT LASTS A FEW SECONDS. THIS HESITATION IS SO SEVERE THAT I HAVE NEARLY BEEN INVOLVED IN 2 ACCIDENTS. ONCE WHILE TURNING LEFT IN FRONT OF ON-COMING TRAFFIC AND ONCE WHILE TRYING TO MERGE ONTO A HIGHWAY. THE ENGINE LOSES ALL POWER FOR ABOUT 3-4 SECONDS BEFORE RESPONDING. THIS PROBLEM HAS ALSO BEEN REPORTED BY OTHER OWNERS ON CHALLENGER CAR FORUMS ON THE INTERNET. PROBLEM HAS BEEN IDENTIFIED ON 2016 & 2017 MODELS WITH MANUAL TRANSMISSION ONLY. WHEN CAR WAS ONLY 3 WEEKS OLD, DEALER KEPT CAR FOR ALMOST A MONTH TRYING TO FIX THE PROBLEM. APRIL OF 2016. PROBLEM WENT AWAY FOR ALMOST 18 MONTHS BUT NOW HAS RETURNED IN NOVEMBER OF 2017 WORSE THAN BEFORE. DEALER, LEE DODGE IN WESTBROOK MAINE UNABLE TO FIX THE VEHICLE EVEN AFTER THEIR EXPERTS DROVE THE VEHICLE. THEY DO NOT KNOW WHAT IS WRONG EVEN THOUGH THEY CAN DUPLICATE THE PROBLEM. CAR IS DANGEROUS TO DRIVE IN THIS CONDITION.
WHEN I OPENED THE CAP OF MY COOLANT EXPANSION TANK, I NOTICED WHAT LOOKED LIKE RUST AROUND THE BOTTOM OF THE CAP. I INSERTED MY FINGER INTO THE TANK AND FOUND RUST INSIDE THE COOLANT. I BROUGHT THE CAR TO THE DODGE DEALERSHIP. THEY COULD NOT FIND ANY PROBLEMS AND CLAIMED THERE WAS NO RUST. WE WENT TO THE DEALERSHIP AND SHOWED TH…
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WHEN I OPENED THE CAP OF MY COOLANT EXPANSION TANK, I NOTICED WHAT LOOKED LIKE RUST AROUND THE BOTTOM OF THE CAP. I INSERTED MY FINGER INTO THE TANK AND FOUND RUST INSIDE THE COOLANT. I BROUGHT THE CAR TO THE DODGE DEALERSHIP. THEY COULD NOT FIND ANY PROBLEMS AND CLAIMED THERE WAS NO RUST. WE WENT TO THE DEALERSHIP AND SHOWED THE CAP TO THEM. THE DEALER REPLACED THE CAP WITH AN AFTERMARKET CAP. WHEN I WENT TO MY MECHANIC FOR AN OIL CHANGE, HE NOTIFIED ME THAT THERE SEEMED TO BE OIL IN MY COOLANT. HE PROCEEDED TO DO A HYDROCARBON TEST WHICH RESULTED 483 PPM WHICH WAS BAD FOR EMISSIONS. WE BROUGHT THIS INFORMATION TO A DODGE DEALERSHIP WHO CLAIMED THERE WAS NOTHING WRONG WITH THE VEHICLE AGAIN.
Official recalls
118V332000 · Electrical System:software; Electrical System:wiring; Vehicle Speed Control:cruise Control
May 17, 2018
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
Consequence & remedy
Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
Additional source detail variants (3)
Electrical System:software
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
Vehicle Speed Control:cruise Control
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
Electrical System:wiring
Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.
Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.
Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.
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.