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2015 Honda CR-V

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2015 Honda CR-V do not stand out strongly from the model-year median of 400.5.

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When problems were reported

Mileage at the reported incident

491 reports with mileage · 179 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.

  • Engine. Review the 243 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 148 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 83 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

38 crash reports4 fire reports18 injury reports

Engine complaints

243 reports
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Mileage unknown · Mar 3, 2022
Engine

On August 1, 2021 and again on February 26, 2022 I had major issues with transmission slipping gears and my 2015 Honda CR-V stalling out on an incline while driving home. This was very dangerous and nearly caused an accident. I had my 8 year old son in the back as well and many cars almost rear-ended me both times. Additional…

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On August 1, 2021 and again on February 26, 2022 I had major issues with transmission slipping gears and my 2015 Honda CR-V stalling out on an incline while driving home. This was very dangerous and nearly caused an accident. I had my 8 year old son in the back as well and many cars almost rear-ended me both times. Additionally, i experience VERY rough idling and extremely rough gear changes which lead me to believe there is an issue with my car's transmission, specifically with the CVT system on this car. It continues to feel VERY unsafe and unreliable as i drive it and i am very worried about my safety and the longevity of my cars ability to continue running.

NHTSA ODI #11455102

Mileage unknown · Jan 16, 2022
EngineFuel/propulsion SystemPower Train

Purchased used at 64,000 miles. Second day of ownership/operation vehicle began stalling while in operation on the road. This happened when coming to a stop, when accelerating from a stop and while at high speeds on the highway. I am not sure if th problem is caused by drivetrain, fuel delivery, engine, or electrical issues.

NHTSA ODI #11447642

Mileage unknown · Dec 16, 2021
Electrical SystemEngine

Starter motor failed at 40000 miles.Unable to start car on road at night. Dealer replaced $900.

NHTSA ODI #11444027

Mileage unknown · Oct 8, 2021
Electrical SystemEngineUnknown Or Other

In June 2016, my Honda CR-V 2015 broke down, lost all power, and stopped working in the middle of the road. The vehicle was towed to a Honda Dealership - Diamond Bar, CA. The Honda Mechanic diagnosed a P2138, did not solve the problem, and sent me home. The vehicle broke down once again, only for them to claim again that they co…

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In June 2016, my Honda CR-V 2015 broke down, lost all power, and stopped working in the middle of the road. The vehicle was towed to a Honda Dealership - Diamond Bar, CA. The Honda Mechanic diagnosed a P2138, did not solve the problem, and sent me home. The vehicle broke down once again, only for them to claim again that they could not recreate the problem. The vehicle had 12,000 miles on it at this time. I filed a complained with the NHTSA at this time. In September 2017, my Honda CR-V broke down again, lost all power, and stopped working in the middle of the road. The vehicle was towed to a Honda Dealership - Alhambra, CA. The Honda Mechanic diagnosed a P2647 and fixed the issue. The vehicle had 35,000 miles on it at this time. Now, in August 2021, my Honda CR-V broke down again, lost all power, and stopped working in the middle of the road. The vehicle was driven to a local mechanic, where he diagnosed the car to have 4 OBII codes and recommended taking it to a Honda. I took it to a Honda Dealership - Buena Park, CA. The Honda Mechanic diagnosed a P2128 only, said they don't take recommendations from other mechanics, and replaced in the APP Sensor and gas pedal. The vehicle had 83,000 miles on it at this time. Only 1 week later, My Honda CR-V broke down again, lost all power, and stopped working in the middle of the road. My ODII code diagnosed the issue as a P2138 - the exact same code diagnosed and not fixed by Honda - Diamond Bar, CA back in 2016. When I called Honda Buena Park about the car breaking down again, they stated they will charge me another $150 diagnosis fee to look at it again. The above codes have the same issues over and over again, and I believe this vehicle should have a recall with no individual/franchise dealership willing to bite the bullet, looking to yank customer's chains to make the most amount of money for simple fixes. Thank you

NHTSA ODI #11436067

Mileage unknown · Aug 9, 2021
Engine

The engine wiring harness melted and frayed. Two different garages (including Honda dealer) could not determine cause. As part of the fact-finding, multiple fuses blew every time they were replaced - at minimum in fuse box under hood harness and also under dash. For months the car could be sluggish when first leaving garage (lik…

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The engine wiring harness melted and frayed. Two different garages (including Honda dealer) could not determine cause. As part of the fact-finding, multiple fuses blew every time they were replaced - at minimum in fuse box under hood harness and also under dash. For months the car could be sluggish when first leaving garage (like something wasn't catching) but I don't think that was related (although that problem has disappeared it seems.) I drove the car one day. Parked it. Got in it the next day and it was dead. Battery (3 yrs old) was at 50%. Starter was fine. Assumed it was starter button on dash. When car got to Honda, battery was dead. First garage found blown fuses, replaced, blew/melted. Did get it to start after many trials, but then brake lights wouldn't turn off. Then next morning dead again. That's when discovered harness. Never started again (until harness replaced at dealer06.)

NHTSA ODI #11428306

Mileage unknown · Jul 23, 2021
Engine

SUV stalls when starting after overnight or day stay and driving slowly in reverse for about 3 yards. The engine can be restarted with starter button. This is dangerous, because I am parking for work in an underground garage with minimal lighting and other drivers do not expect a vehicle stalled half way pulling out from a parki…

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SUV stalls when starting after overnight or day stay and driving slowly in reverse for about 3 yards. The engine can be restarted with starter button. This is dangerous, because I am parking for work in an underground garage with minimal lighting and other drivers do not expect a vehicle stalled half way pulling out from a parking space.

NHTSA ODI #11426226

Mileage unknown · Jul 21, 2021
Engine

I have had this car for 3 years and have needed to replace the alternator twice. This is a safety concern, as I am ansi for parent and this could leave anyone stranded with the inability to start the vehicle under any conditions. This is a know problem with this specific year CRV, and is frequently discussed in the CRV community…

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I have had this car for 3 years and have needed to replace the alternator twice. This is a safety concern, as I am ansi for parent and this could leave anyone stranded with the inability to start the vehicle under any conditions. This is a know problem with this specific year CRV, and is frequently discussed in the CRV community as well as at the dealership, by repair staff. There should be a required recall to fix whatever is causing alternators needing to be replaced every 18 months.

NHTSA ODI #11425777

Mileage unknown · Jun 15, 2021
Engine

So I went to my Honda dealership (Doylestown, PA) today with issues of my oil lamp going on (for a few days). The oil was low (it seemed to burn real quick) and adding additional oil was the item that was performed on my vehicle. However the service representative told me to come back after I have driven for 1000 additional mi…

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So I went to my Honda dealership (Doylestown, PA) today with issues of my oil lamp going on (for a few days). The oil was low (it seemed to burn real quick) and adding additional oil was the item that was performed on my vehicle. However the service representative told me to come back after I have driven for 1000 additional miles for them to check and see if the issue is the Piston Rings. Which he stated may run at least $3000. So I did some research and noticed that a recall (recall number KF6) was created for engines issues for Honda CRV 2015 (mgr Feb. 8 2015 - July 28, 2016). My SUV was mgr on April 2015. I wanted to see if it's possible that there is an issue with my vehicle and this recall.

NHTSA ODI #11421051

30,000 miles · May 10, 2021
Engine

NO ENGINE RESPONSE FROM STOP. 2 TO 5 SECONDS BEFORE ENGINE RESPONDS TO ACCELERATOR. HAPPENS MOSTLY WHEN ENGINE AT TEMPERATURE. DEALER INSISTED IT WAS TRANSMISSION. CHECKED AND FOUND NOTHING WRONG. NO ACKNOWLEDGEMENT THAT IT COULD BE THE ENGINE. HAVE SEEN SAME COMPLAINTS ON INTERNET BUT NOT SOLUTIONS TO THE PROBLEM. HAPPENS MOST …

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NO ENGINE RESPONSE FROM STOP. 2 TO 5 SECONDS BEFORE ENGINE RESPONDS TO ACCELERATOR. HAPPENS MOSTLY WHEN ENGINE AT TEMPERATURE. DEALER INSISTED IT WAS TRANSMISSION. CHECKED AND FOUND NOTHING WRONG. NO ACKNOWLEDGEMENT THAT IT COULD BE THE ENGINE. HAVE SEEN SAME COMPLAINTS ON INTERNET BUT NOT SOLUTIONS TO THE PROBLEM. HAPPENS MOST TRIPS BUT NOT ALWAYS. MAY HAPPEN FOR SEVERAL STOPS OR MAY NOT. STARTED WHEN CAR WAS STILL UNDER WARRANTY AND CONTINUES TODAY. STARTED AT ABOUT 30,000 MILES AND CAR HAS 90,000 MILES NOW. DEFINITELY A SAFETY ISSUE.

NHTSA ODI #11415925

114,000 miles · Mar 20, 2021
Engine

I TOOK MY CAR TO THE REPAIR SHOP BECAUSE MY CAR VIBRATES AND IDLES LOW TO WHERE IT FEELS LIKE IT IS GOING TO CUT OFF AT A STOP SIGN OR TRAFFIC LIGHT WHILE IN GEAR. THE SHOP CHANGED OUT THE VALVE GASKET AND DID AN OIL CHANGE PAID $260.00 THE CAR CONTINUED TO LOW IDLE AND VIBRATE AT THE STOP LIGHTS AND AND STOP SIGNS FELT LIKE IT …

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I TOOK MY CAR TO THE REPAIR SHOP BECAUSE MY CAR VIBRATES AND IDLES LOW TO WHERE IT FEELS LIKE IT IS GOING TO CUT OFF AT A STOP SIGN OR TRAFFIC LIGHT WHILE IN GEAR. THE SHOP CHANGED OUT THE VALVE GASKET AND DID AN OIL CHANGE PAID $260.00 THE CAR CONTINUED TO LOW IDLE AND VIBRATE AT THE STOP LIGHTS AND AND STOP SIGNS FELT LIKE IT WAS GOING TO STALL OUT. A WEEK LATER I TOOK MY CAR TO ANOTHER REPAIR SHOP AND THEY CHANGED OUT THE COILS AND SPARK PLUGS ALSO CLEANED THE BODY THROTTLE WHICH COST ME $820 LEFT THERE AND STILL MY CAR AT TRAFFIC LIGHTS AND STOP SIGNS WHILE IN GEAR VIBRATES AND IDLES LOW AND FEELS LIKE IT IS GOING TO STALL OUT. SO I TOOK IT BACK TO THAT SHOP 3 MORE TIMES FOR THE SAME ISSUE. I THEN TOOK THE CAR TO THE HONDA DEAL SHIP WHERE THEY DID A DIAGNOSTIC AND UPDATED THE COMPUTER SYSTEM AND STILL MY CAR VIBRATES AND IDLE LOWS AND FEELS LIKE IT IS GOING TO STALL OUT WHEN IN GEAR AT STOP LIGHTS AND STOP SIGNS. HONDA DID NOT FIX THE ISSUE.

NHTSA ODI #11404056

Official recalls

3

23V858000 · Fuel System, Gasoline:delivery:fuel Pump

Dec 18, 2023

Honda (American Honda Motor Co.) is recalling certain 2013-2023 Honda Accord, Civic Coupe, Civic Sedan, Civic Hatchback, Civic Type R, CR-V, HR-V, Ridgeline, Odyssey, Acura ILX, MDX, MDX Hybrid, RDX, RLX, TLX, 2019-2022 Honda Insight, Passport, 2020 Honda CR-V Hybrid, 2018-2019 Honda Clarity PHEV, Fit, and 2015-2020 Honda Accord Hybrid, Pilot, Acura NSX vehicles. The fuel pump inside the fuel tank may fail.

Consequence & remedy

Consequence: Fuel pump failure can cause an engine stall while driving, increasing the risk of a crash.

Remedy: Dealers will replace the fuel pump module, free of charge. Owner letters were mailed September 6, 2024. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for this recall are KGC and KGD. This recall is an expansion of NHTSA recall numbers 21V-215 and 20V-314.

17V305000 · Engine

May 4, 2017

Honda (American Honda Motor Co.) is recalling certain 2015-2016 Honda CR-V vehicles that recently received a replacement engine. The replacement engine may have been built with the wrong pistons, potentially affecting the engine's performance.

Consequence & remedy

Consequence: The reduced performance may result in an engine stall, increasing the risk of a crash.

Remedy: Honda will notify owners, and dealers will inspect the engines and replace the incorrect components, as necessary, free of charge. The recall began June 20, 2017. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is KF6.

15V121000 · Engine And Engine Cooling:engine

Mar 2, 2015

American Honda Motor Co. (Honda) is recalling certain model year 2014 Accord L4 vehicles manufactured July 29, 2014, to July 31, 2014, 2015 Accord L4 vehicles manufactured August 14, 2014, to January 30, 2015, and 2015 CR-V vehicles manufactured September 9, 2014, to February 6, 2015. The affected vehicles may have been assembled with improperly torqued connecting rod bolts, which can cause the engine to lose power or leak oil.

Consequence & remedy

Consequence: Loss of engine power may result in a vehicle stall, increasing the risk of a crash. If the engine leaks oil in the proximity of hot engine or exhaust components, there is an increased risk of a fire.

Remedy: Honda will notify owners, and dealers will replace the engine short block, free of charge. The recall began on March 27, 2015. Owners may contact Honda customer service at 1-888-234-2138. Honda's number for this recall is JP2 (for Accord models) and JP3 (for CR-V models).

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

2

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.

EA19001 · Electrical Overstress

Opened Apr 19, 2019 · Closed Sep 19, 2024

Status: closed (inferred from source dates) · Air Bags: Air Bag/restraint Control Module

The Office of Defects Investigation (ODI) opened this investigation to determine if the failure of airbags to deploy during severe crashes, in certain vehicles, was the result of a safety related defect.  During the investigation a complex failure was studied that can result in non-deployment of subject vehicle air bags and other restraint system devices in severe crash events. The subject vehicles may be equipped with an airbag control unit (ACU) for the supplemental restraint system (SRS) Electronic Control Unit (ECU) manufactured by ZF-TRW.  The ECU receives signals from crash sensors mounted in the vehicle and deploys the vehicle air bags and seat belt pretensioners in accordance with manufacturer design specifications.  The ECU in the subject vehicles contains a model DS84 application-specific integrated circuit (ASIC) which controls the communication of the crash sensor signal, firing commands (i.e., when to deploy the airbag(s) and/or pretensioners), and fault information (e.g., diagnostic trouble codes). In September 2016, FCA announced recall 16V-668 for certain model year (MY) 2010 to 2014 Chrysler, Dodge and Jeep products manufactured with the subject ZF-TRW ACU.  In this recall, FCA discussed an EOS condition that resulted in a failure of the subject DS84 ASIC, which caused air bag non-deployment.  FCA noted that the defect condition had only been observed in vehicles equipped with sensor harnessing routed across the front of the vehicle.  Other FCA vehicles that also used the subject ACU, but were not equipped with cross-car harnessing, had not experienced EOS failures, despite similar time in service. During the course of this investigation, ODI sent two separate Information Request (IR) letters to six vehicle manufactures (including FCA, Hyundai, Honda, Kia, Mitsubishi, and Toyota) and one IR letter to ZF-TRW.  These IR letters resulted in ODI receiving comprehensive data from these manufacturers and suppliers. Studies of this data found that the DS84 ASIC does not have sufficient protection against negative electrical transients or electrical overstress (“EOS”) that can be generated in certain severe crashes.  An electrical transient occurs when the electrical power supplied to a circuit changes momentarily over a short duration of time.   In these severe crash cases, the crash sensors and other powered wiring can be damaged and short circuited so as to create a negative electrical transient of sufficient intensity and duration (that are outside the vehicle manufacturer's specification) to damage the ASIC before the restraint device deployment signal is received by the SRS ECU.  This damaged signal can lead to incomplete or nondeployment of the air bags and/or pretensioners.  Airbag non-deployment and/or lack of pretensioner operation can increase the risk or severity of injury in a crash.A total of 8 fatalities and 14 injuries were associated with known EOS events. The common element in all investigated manufacturers vehicles is the SRS ECU containing a DS84 ASIC manufactured by ZF-TRW.  The risk associated with the ASIC is equally shared among all OEMS involved in the investigation.  The actual real-world risk can be mitigated by other factors which were assessed by ODI during this investigation. The first mitigating factor involves protections built into the ACU design which protect the DS84 ASIC from damage.  There are multiple strategies and levels of protection employed by different OEMs that provide effective EOS mitigation.  The two most common strategies at the ACU level are circuit protection diodes on the remote senor signal lines, and current limiting resistors that protect critical components. The second mitigating factor is found at the vehicle level and involves the location and routing of the wires leading from the crash sensors to the SRS ECU.  If the wires are well protected in a crash and are not routed with other power wires carrying large currents, the risk for an EOS event is significantly reduced or eliminated. These design specific factors combine to produce a spectrum of risk for the vehicles equipped with ACUs using the DS84 ASIC.  Given the many of years of field exposure, it is possible to divide the subject population into two groups; vehicles which have experienced EOS events, and vehicles which have not experienced EOS field events. Four of the six OEMs involved in this investigation have experienced EOS field events on at least one of their models equipped with a DS84 ASIC.  All vehicle models (including the Toyota models identified in the Failure Report Summary of the opening resume for this investigation) with field events have been recalled.  In an abundance of caution, ODI kept this investigation open five years to monitor field performance and did not identify any field events on vehicles not included in existing safety recalls. Given the spectrum of risk identified in this investigation and that all vehicles with a demonstrated unreasonable risk have been recalled, ODI is closing this investigation. ODI is closing this investigation with the following manufacturer safety recalls: 16V-668, 18E-043, 18V-137, 18V-363, and 20V-024.  With the recall actions taken by the subject vehicle and equipment manufacturers, this investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exists on other model or model year vehicles outside of the recall scopes. The agency reserves the right to take further action if warranted by the circumstances.

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