NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
124 reports12,200 miles · Mar 9, 2015
Power Train
WHILE SITTING AT A DRIVE THROUGH, THE CAR STARTED TO SMOKE PROFUSELY AND SHUT OFF. IT WAS A HORRIBLE SMELL. TECHNICIAN SAID DUE TO THE STOP AND GO SITUATION AT THE DRIVE THRU, THE CLUTCH ENGAGE/DISENGAGE ACTION, THE CLUTCHES OVERHEATED AND THE TRANSMISSION SAFETY SWITCH SHUT THE ENGINE OFF. I HAD JUST PULLED INTO THE DRIVE THRU…
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WHILE SITTING AT A DRIVE THROUGH, THE CAR STARTED TO SMOKE PROFUSELY AND SHUT OFF. IT WAS A HORRIBLE SMELL. TECHNICIAN SAID DUE TO THE STOP AND GO SITUATION AT THE DRIVE THRU, THE CLUTCH ENGAGE/DISENGAGE ACTION, THE CLUTCHES OVERHEATED AND THE TRANSMISSION SAFETY SWITCH SHUT THE ENGINE OFF. I HAD JUST PULLED INTO THE DRIVE THRU AND STOPPED. I DID NOT HAVE THE OPPORTUNITY TO "GO" BEFORE THE CAR SHUT OFF. I LIVE APPROXIMATELY 1 MILE FROM THE RESTAURANT. *TR
NHTSA ODI #10693114
9,988 miles · Mar 9, 2015
Power Train
I AM WRITING OUT OF SERIOUS CONCERN OVER THE OVERHEATING CLUTCH ON THE FIAT 2014 500L TREKKING MODEL. I HAD ABSOLUTELY LOVED MY FIAT, UNTIL IT OVERHEATED AFTER SITTING IN A CAR WASH LINE FOR ALL OF MAYBE TEN MINUTES AT THE MOST. SCARED AND EMBARRASSED THAT MY CAR WAS ON FIRE, I HAD TO BE PUSHED OUT OF LINE AND ASSISTED BY TH…
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I AM WRITING OUT OF SERIOUS CONCERN OVER THE OVERHEATING CLUTCH ON THE FIAT 2014 500L TREKKING MODEL. I HAD ABSOLUTELY LOVED MY FIAT, UNTIL IT OVERHEATED AFTER SITTING IN A CAR WASH LINE FOR ALL OF MAYBE TEN MINUTES AT THE MOST. SCARED AND EMBARRASSED THAT MY CAR WAS ON FIRE, I HAD TO BE PUSHED OUT OF LINE AND ASSISTED BY THE CAR WASH MANAGER, WHO POPPED THE HOOD AND TOLD ME TO CALL FOR A TOW.I THEN CALLED THE DEALERSHIP SERVICE DEPT AND WAS TOLD THAT UNLESS THE ENGINE LIGHT WAS ON OR TRANSMISSION LIGHT, THAT THE OVERHEATING WAS A COMMON CONSEQUENCE OF STOP AND GO TRAFFIC WITH A DUEL TRANSMISSION. I THEN WENT ONLINE AND SAW ALL THE VARIOUS COMPLAINTS ABOUT THE SAME ISSUE FROM OTHER 500 L OWNERS MUCH TO MY DISAPPOINTMENT AND DISMAY. I LIVE IN WASHINGTON DC, THE CAPITOL CITY WITH THE NORM BEING STOP AND GO TRAFFIC, THE WORST IN THE NATION. I TOLD THE SERVICE REP THAT I HAD SMELLED SOMETHING BURNING ON A PRIOR OCCASION BUT NEVER EXPERIENCED FULL ON SMOKE AND THE VEHICLE STALLING OUT BECAUSE IT WAS OVERHEATED WITH ABSOLUTELY NO WARNING FROM MY FIAT, NO SERVICE LIGHT OR ANYTHING INDICATING THE CLUTCH WAS OVERHEATING. DO I NEED TO TELL YOU ALL HOW DANGEROUS THE OVERHEATING ISSUE CAN BE IN TRAFFIC WITH NO WARNING, STALLING OUT, WON?T START AGAIN UNTIL IT COOLS DOWN? THIS IS A SERIOUS DEFECT. I AM BROKENHEARTED AND EXTREMELY DISAPPOINTED WITH BEING TOLD BY THE DEALERSHIP THAT FIAT USA WILL NOT REPAIR/FIX THIS ISSUE AND, TO TELL OWNERS IT IS A CONSEQUENCE OF A NEW ENGINE, ALTHOUGH I AM CLOSE TO 10K MILES. THAT IS ABSURD, PLEASE HELP ME AND OTHER FIAT 500 L OWNERS RECTIFY THIS MATTER AND PREVENT OTHER CONSUMERS FROM HAVING THIS HEADACHE IN THE FUTURE. *TR
NHTSA ODI #10693082
20,500 miles · Mar 3, 2015
Power TrainCrash
IN MAY 2014 MY 2014 FIAT 500L WAS BROUGHT TO ZIEGLER DEALERSHIP FOR A SAFETY RECALL CONCERNING THE AUTOMATIC TRANSAXLE GEAR SHIFT MODULE AND THEY FLASHED THE ESM (RECALL ON NHTSA WEBSITE). IN JANUARY 2015 WE NOTICED A BURNING SMELL UNDER THE ENGINE. IF WE PUT CAR INTO REVERSE AND GAS PEDAL PUSHED, CAR HESITATED 1-2 SECONDS BEFOR…
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IN MAY 2014 MY 2014 FIAT 500L WAS BROUGHT TO ZIEGLER DEALERSHIP FOR A SAFETY RECALL CONCERNING THE AUTOMATIC TRANSAXLE GEAR SHIFT MODULE AND THEY FLASHED THE ESM (RECALL ON NHTSA WEBSITE). IN JANUARY 2015 WE NOTICED A BURNING SMELL UNDER THE ENGINE. IF WE PUT CAR INTO REVERSE AND GAS PEDAL PUSHED, CAR HESITATED 1-2 SECONDS BEFORE THE CAR WOULD START MOVING. CAR LURCHED FORWARD SEVERAL TIMES ON ROAD AT A DEAD STOP. ROUGH SHIFTING ON ROADS. CHECK TRANSMISSION AND ENGINE WARNING LIGHT ILLUMINATED IN EARLY FEB 2015 AND WE BROUGHT IT BACK TO ZIEGLER. THEY DETERMINED IT NEEDED A NEW TRANSMISSION CONTROL MODULE. ONLY 4 MODULES IN THE ENTIRE US, AND ALL WERE SPOKEN FOR (4 OTHER FIATS IN FOR THE EXACT SAME PROBLEM). ZIEGLER CONTACTED THE MANUFACTURER TO GET AN "UPGRADED" TRANSMISSION MODULE, NOT THE ONE ORIGINALLY DESIGNED FOR THE CAR. AFTER BEING TOLD IT WOULD BE 1 1/2 MONTHS TO GET THE UNIT, IT SHOWED UP MID FEBRUARY. I CONFIRMED THAT WE GOT THIS "UPGRADED" UNIT AND DEALER SAID YES. TOOK POSSESSION OF MY CAR ON 2/13/15. THIS PAST WEEK, WE AGAIN HAD A BURNING SMELL IN THE ENGINE, ENCOUNTERED CAR LURCHING WHILE CAR WAS IN DRIVE AND FOOT SECURELY ON THE BRAKE. SLOW ENGINE REACTION WHEN HITTING GAS WHEN PUTTING CAR INTO REVERSE, ROUGH SHIFTING. WAS PLANNING ON CALLING DEALER ON MONDAY 3/2, HOWEVER ON SATURDAY 2/28/15 THE CAR WAS INVOLVED IN A DRIVER SIDE T-BONE CRASH AS THE CAR WOULD NOT MOVE WHEN GAS PEDAL WAS PUSHED. CAR TOTALLED BY INSURANCE COMPANY. MY DAUGHTER COULD HAVE BEEN KILLED BECAUSE THE CAR DID NOT MOVE WHEN GAS PEDAL WAS PRESSED. FIAT IS NOW FIRESELLING THESE 2014 MODELS AND ARE NOT OFFERING THIS "DUAL CLUTCH" TRANSMISSION IN 2015 MODELS. THEY KNOW ABOUT THESE TRANSMISSION ISSUES BUT THEIR "FIX" IS STILL PUTTING LIVES IN JEOPARDY. IF YOU OWN THIS CAR, GET RID OF IT ASAP! *TR
NHTSA ODI #10691739
6,194 miles · Feb 28, 2015
Tires
CONTIPROCONTACT TIRES ON A FIAT 500. SO FAR MY WIFE HAS SUFFERED TWO CATASTROPHIC BLOWOUTS ON INTERSTATE 285 IN ATLANTA OF THE SIDE-WALL IN UNDER 6000 MILES. HAD TO REPLACE/BUY BOTH TIRES. FORTUNATELY SHE WAS DRIVING SLOW ENOUGH TO KEEP THE CAR UNDER CONTROL. BUT NOW I FEAR FOR HER LIFE EVERY DAY SHE DRIVES BACK AND FORTH TO WOR…
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CONTIPROCONTACT TIRES ON A FIAT 500. SO FAR MY WIFE HAS SUFFERED TWO CATASTROPHIC BLOWOUTS ON INTERSTATE 285 IN ATLANTA OF THE SIDE-WALL IN UNDER 6000 MILES. HAD TO REPLACE/BUY BOTH TIRES. FORTUNATELY SHE WAS DRIVING SLOW ENOUGH TO KEEP THE CAR UNDER CONTROL. BUT NOW I FEAR FOR HER LIFE EVERY DAY SHE DRIVES BACK AND FORTH TO WORK. *TR
NHTSA ODI #10691219
11,000 miles · Feb 14, 2015
Electrical SystemFire
WHILE PARKED AT A MCDONALDS DRIVE-THRU WINDOW IN DETROIT MI IN MY 2014 FIAT 500L AT APPROXIMATELY 11:30 A.M. THE CAR BEGAN TO SMOKE PROFUSELY. THE SMOKE FILLED THE INTERIOR CABIN AND UNDER THE HOOD AREA. THE CAR SMELLED HORRID LIKE BURNING ELECTRICAL COPPER WIRES. THE CAR THEN SHUT OFF, BUT CONTINUED SMOKING. I RAN OUT OF TH…
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WHILE PARKED AT A MCDONALDS DRIVE-THRU WINDOW IN DETROIT MI IN MY 2014 FIAT 500L AT APPROXIMATELY 11:30 A.M. THE CAR BEGAN TO SMOKE PROFUSELY. THE SMOKE FILLED THE INTERIOR CABIN AND UNDER THE HOOD AREA. THE CAR SMELLED HORRID LIKE BURNING ELECTRICAL COPPER WIRES. THE CAR THEN SHUT OFF, BUT CONTINUED SMOKING. I RAN OUT OF THE CAR AND A POLICE OFFICER WHO WAS EATING LUNCH INSIDE RAN OUT TO HELP ME. THE OFFICER AND MCDONALDS EMPLOYEES PUSHED THE CAR AWAY FROM THE DRIVE-THRU WINDOW. NO FLAMES WERE SEEN, ONLY SMOKE. THE CAR WAS TAKEN TO GOLLING FIAT IN BLOOMFIELD HILLS MI. THE DEALERSHIP RETURNED THE CAR TO ME DAYS LATER AS IS, STATING THAT THEY COULD NOT FIND NOR REPLICATE THE PROBLEM OR ANY PROBLEM WITH THE CAR. THE SERVICEMAN [XXX] DID STATE TWO TIMES THAT HE SMELLED SMOKE AND BURNING WIRES UNDER THE HOOD, BUT TOLD ME THAT "MAYBE THE BURNING SMELL IS JUST A FLUKE". NO REPAIRS WERE MADE. I'M VERY CONCERNED BECAUSE THIS CAR ALSO HAS A HISTORY OF LEAKING GASOLINE. NOW IT IS SMOKING AND THE DEALERSHIP SAYS NOTHING IS WRONG WITH IT. I WAS PREVIOUSLY CHARGED $2100 TO REPLACE THE LEAKING GAS TANK AFTER THEY TOLD ME THE TANK WOULD NOT BE COVERED UNDER MY NEW CAR WARRANTY! I HAVE REPORTED BOTH THE LEAKING GASOLINE COMPLAINT AND SMOKE COMPLAINT TO THE NHTSA. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6). *TR
NHTSA ODI #10683485
1,800 miles · Feb 11, 2015
Power Train
IN STOP AND GO TRAFFIC THE CAR STARTED JERKING AND WAS HESITANT TO MOVE FORWARD. SMOKE WAS EMITTED AND CAME INTO THE CAR WITH A STRONG ODOR. DEALER DIAGNOSED AS AN OVERHEATED CLUTCH (THIS IS THE EURO DDCT, AN AUTOMATED MANUAL TRANSMISSION). THE CLUTCH/TRANSMISSION TEMPERATURE WARNING LIGHT DID NOT COME ON BEFORE OR DURING THE …
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IN STOP AND GO TRAFFIC THE CAR STARTED JERKING AND WAS HESITANT TO MOVE FORWARD. SMOKE WAS EMITTED AND CAME INTO THE CAR WITH A STRONG ODOR. DEALER DIAGNOSED AS AN OVERHEATED CLUTCH (THIS IS THE EURO DDCT, AN AUTOMATED MANUAL TRANSMISSION). THE CLUTCH/TRANSMISSION TEMPERATURE WARNING LIGHT DID NOT COME ON BEFORE OR DURING THE ISSUE. WHEN THE CAR COOLED DOWN, IT WAS ABLE TO BE DRIVEN AGAIN BUT WAS JERKY WHEN SHIFTING. DEALER DID A "RELEARN" ON THE CLUTCH AND ADVISED ALL SOFTWARE IS UP TO DATE. ALSO THAT TRANSMISSION SHOULD BE PLACED IN NEUTRAL AT STOPS AND SHIFTED MANUALLY IN STOP AND GO DRIVING (NEITHER OF WHICH ARE SPECIFIED IN OWNER'S MANUAL). *TR
NHTSA ODI #10682733
432 miles · Jan 22, 2015
Engine
TL* THE CONTACT OWNS A 2014 FIAT 500. THE CONTACT STATED THAT WHILE DRIVING AT UNKNOWN SPEEDS, THE VEHICLE DECELERATED WITHOUT WARNING. IN ADDITION, FUMES WERE SEEPING INTO THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE BATTERY WAS LOW WHICH CAUSED THE FAILURE. AS A RESULT, THE BATTERY WAS REMOV…
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TL* THE CONTACT OWNS A 2014 FIAT 500. THE CONTACT STATED THAT WHILE DRIVING AT UNKNOWN SPEEDS, THE VEHICLE DECELERATED WITHOUT WARNING. IN ADDITION, FUMES WERE SEEPING INTO THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER WHERE IT WAS DIAGNOSED THAT THE BATTERY WAS LOW WHICH CAUSED THE FAILURE. AS A RESULT, THE BATTERY WAS REMOVED AND PLACED BACK INTO THE VEHICLE BUT THE FAILURE PERSISTED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 432. UPDATED 7/29/15*CN UPDATED 9/19/2017*CN
NHTSA ODI #10678388
9,000 miles · Dec 30, 2014
Power Train
TL* THE CONTACT OWNS A 2014 FIAT 500. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 5 MPH, THERE WAS AN ABNORMAL NOISE AND THE VEHICLE STALLED. THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 14V103000 (POWER TRAIN); HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TOWED TO A DEALER. THE VEHICLE WAS NOT DIAGNOSED OR…
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TL* THE CONTACT OWNS A 2014 FIAT 500. THE CONTACT STATED THAT WHILE DRIVING AT APPROXIMATELY 5 MPH, THERE WAS AN ABNORMAL NOISE AND THE VEHICLE STALLED. THE VEHICLE WAS REPAIRED UNDER NHTSA CAMPAIGN NUMBER: 14V103000 (POWER TRAIN); HOWEVER, THE FAILURE RECURRED. THE VEHICLE WAS TOWED TO A DEALER. THE VEHICLE WAS NOT DIAGNOSED OR REPAIRED. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE APPROXIMATE FAILURE MILEAGE WAS 9,000.
NHTSA ODI #10669191
9,000 miles · Dec 27, 2014
Power Train
COLD WEATHER PROBLEM. 29 DEGF OUTSIDE ON OCCURRENCE. SHIFTER WILL NOT MOVE FROM "PARK" POSITION. THIS HAS CLEARED UP BEFORE AFTER LETTING VEHICLE WARM UP. IT IS STILL IN THIS CONDITION PRESENTLY. I ROCKED VEHICLE FORWARD AND BACK, CHECKED FUSES, LET IT WARM UP TO 39 DEG F OUTSIDE WITH THE VEHICLE RUNNING FOR 20 MINUTES. STI…
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COLD WEATHER PROBLEM. 29 DEGF OUTSIDE ON OCCURRENCE. SHIFTER WILL NOT MOVE FROM "PARK" POSITION. THIS HAS CLEARED UP BEFORE AFTER LETTING VEHICLE WARM UP. IT IS STILL IN THIS CONDITION PRESENTLY. I ROCKED VEHICLE FORWARD AND BACK, CHECKED FUSES, LET IT WARM UP TO 39 DEG F OUTSIDE WITH THE VEHICLE RUNNING FOR 20 MINUTES. STILL STUCK IN PARK. LAST WINTER THE SHIFT LEVER WOULD MOVE INTO POSITION, BUT THE TRANSMISSION WOULD NOT ENGAGE UNTIL AFTER THE VEHICLE WARMED UP. THE FIAT DEALERSHIP DID A FIRMWARE FLASH UPDATE WHICH CLEARED THAT UP. NOW THIS. THIS IS A 2014 FIAT 500L I HAVE SEEN OTHER REPORTS OF THE SAME PROBLEM ON FIAT OWNER BLOGS INDICATING THIS IS A "COMMON" PROBLEM WHICH NEEDS TO BE ADDRESSED. ONE BLOG SUGGESTED IT MAY BE VOLTAGE RELATED. *TR
NHTSA ODI #10668520
Mileage unknown · Dec 13, 2014
Exterior Lighting
I HAVE MET THESE CARS ON THE ROAD NUMEROUS TIMES AND EACH TIME (AT NIGHT) THE HEADLIGHTS WERE SO BRIGHT I THOUGHT THEY WERE ON HIGHBEAMS. THIS IS ABOUT ANY YEAR MODEL THEY MADE THESE. I HAVE ASKED DRIVERS OF THESE CARS FOR THEIR LOWBEAMS, AND THEN GOT HIGHBEAMED. WHAT I THOUGHT WAS HIGHBEAM WAS ACTUALLY THEIR LOWBEAMS, SO WHEN T…
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I HAVE MET THESE CARS ON THE ROAD NUMEROUS TIMES AND EACH TIME (AT NIGHT) THE HEADLIGHTS WERE SO BRIGHT I THOUGHT THEY WERE ON HIGHBEAMS. THIS IS ABOUT ANY YEAR MODEL THEY MADE THESE. I HAVE ASKED DRIVERS OF THESE CARS FOR THEIR LOWBEAMS, AND THEN GOT HIGHBEAMED. WHAT I THOUGHT WAS HIGHBEAM WAS ACTUALLY THEIR LOWBEAMS, SO WHEN THEIR HIGH BEAMS CAME ON I WAS TEMPORARILY BLINDED. I KNOW SOMEBODY WITH A FIAT 500 AND THEY CONCURRED THAT THEY GET FLASHED A LOT SINCE THEY BOUGHT THEIR CAR. IS THERE A RECALL THAT CAN BE MADE TO GET THE LIGHTS RE-AIMED? OR POWERED DOWN? *TR
NHTSA ODI #10664084
Official recalls
3Jun 25, 2024
Chrysler (FCA US, LLC) is recalling certain 2014-2019 Fiat 500 vehicles. The tire pressure monitoring system (TPMS) warning light may not illuminate as intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 138, "Tire Pressure Monitoring Systems."
Consequence & remedy
Consequence: A TPMS warning light that fails to illuminate can result in the vehicle being driven with improperly inflated tires, increasing the risk of a crash.
Remedy: Dealers will reprogram the TPMS electronic control unit module, free of charge. Owners were mailed July 11, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 80B.
May 16, 2016
Chrysler (FCA US LLC) is recalling certain model year 2012-2016 Fiat 500 vehicles manufactured June 21, 2010, through January 12, 2016, equipped with a manual transmission. The clutch diaphragm spring may fracture and fail, causing an inability to switch gears.
Consequence & remedy
Consequence: If the clutch diaphragm spring fails, the driver may not be able to shift gears or the vehicle may lose motive power, increasing the risk of a crash.
Remedy: The remedy for this recall will include the installation of a clutch pedal limiter and a clutch pedal switch. The recall began on November 10, 2016. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is S34.
May 18, 2015
Chrysler (FCA US LLC) is recalling certain model year 2013-2015 Fiat 500 battery electric vehicles manufactured March 8, 2013, to March 7, 2015. The Electric Vehicle Control Unit (EVCU) of the affected vehicles may set a diagnostic trouble code (DTC) that may cause the transmission to unexpectedly shift to neutral.
Consequence & remedy
Consequence: If the vehicle unexpectedly shifts to neutral, the loss of drive could increase the risk of a crash.
Remedy: Chrysler will notify owners, and dealers will reprogram the EVCU, free of charge. The recall began June 19, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is R20.
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
1EA19001 · 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.