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2013 Fiat 500

Owner reports · Recalls · Investigations

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There is not enough comparable history to draw a useful model-year comparison.

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Owner complaints by model year

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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

113 reports with mileage · 51 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 78 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 22 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 17 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 reports2 fire reports6 injury reports

Engine complaints

22 reports
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75,097 miles · Jan 27, 2018
Engine

ABOUT A MONTH AGO, MY WIFE WAS DRIVING TO/FROM WORK AND NOTICED A "CHECK ENGINE" LIGHT COME ON. WE IMMEDIATELY SCHEDULED AN APPOINTMENT WITH OUR LOCAL STUDIO AND CONTINUED TO DRIVE THE CAR AS NORMAL. AT THIS POINT, NOTHING WAS GOING ON WITH THE CAR, EXCEPT THAT THE LIGHT CAME ON. A DAY OR TWO LATER, THE LIGHT WENT OFF, AND THE C…

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ABOUT A MONTH AGO, MY WIFE WAS DRIVING TO/FROM WORK AND NOTICED A "CHECK ENGINE" LIGHT COME ON. WE IMMEDIATELY SCHEDULED AN APPOINTMENT WITH OUR LOCAL STUDIO AND CONTINUED TO DRIVE THE CAR AS NORMAL. AT THIS POINT, NOTHING WAS GOING ON WITH THE CAR, EXCEPT THAT THE LIGHT CAME ON. A DAY OR TWO LATER, THE LIGHT WENT OFF, AND THE CAR CONTINUED TO ACT NORMAL. WE ENDED UP CANCELING THE APPOINTMENT, GUESSING THAT THERE WAS A GLITCH WITH THE COMPUTER. THE VERY NEXT MORNING, MY WIFE STARTED THE CAR TO FIND THE ENGINE SHAKING AND THE EXHAUST MAKING A STRANGE SOUND, SO SHE SHUT THE ENGINE OFF AND WE HAD THE CAR TOWED TO THE DEALERSHIP. A COUPLE OF DAYS LATER, I GOT A CALL FROM THE STUDIO EXPLAINING THAT THE CAR WAS VERY LOW ON OIL AND THAT IT APPEARS THE CAR'S BEEN CONSUMING OIL AT AN ACCELERATED RATE. HE SAID THEY PERFORMED AN OIL CHANGE AND THAT, PER FIAT'S PROTOCOL, THEY'D PERFORM AN OIL CONSUMPTION TEST BY LETTING US DRIVE THE CAR FOR 750 MILES AND THEN WE'D HAVE TO BRING THE CAR BACK TO LET THEM CHECK EVERYTHING OUT. I WENT TO PICK UP THE CAR ONLY TO FIND THE SAME ISSUE THAT MY WIFE HAD DESCRIBED (ENGINE SHAKING, EXHAUST MAKING NOISE). IT WAS LATE AND THE SERVICE DEPARTMENT WAS CLOSED, SO I LEFT THE KEY WITH THE RECEPTIONIST AND EXPLAINED THAT THE CAR WAS IN THE SAME CONDITION AS WHEN WE HAD IT TOWED AND THAT I'D LIKE THEM TO FIND OUT WHAT'S GOING ON. A FEW DAYS LATER, THE STUDIO CALLED TO EXPLAIN THAT THE ENGINE'S OIL PRESSURE WAS SHOT AND THAT THE ENGINE NEEDED TO BE REPLACED. CYLINDER 3'S OIL VALVE WAS STUCK AND THE CYLINDER WAS MIS-FIRING. THE STUDIO RECOMMENDED REPLACED THE ENGINE AS OPPOSED TO INVESTIGATING WHAT FAILED, SINCE THE INVESTIGATION COULD TAKE HOURS AND COST MORE THAN AN ENGINE REPLACEMENT. THIS IS MY SECOND FIAT; THE FIRST EXPERIENCED THE CLUTCH RECALL THAT I HAD PREVIOUSLY REPORT TO NHTSA AND THANKS TO MINE AND OTHERS REPORTS, A RECALL WAS ISSUED.

NHTSA ODI #11065424

30,000 miles · Jan 25, 2018
Electrical SystemEngineStructure

CHECK ENGINE LIGHT, TRANSMISSION LIGHT COME ON INTERMITTENTLY. AMBIENT TEMP SENSOR RECORDS CRAZY TEMPS AS LOW AS NEGATIVE 40 F. PLASTIC CASING AROUND PASSENGER SIDE VIEW MIRROR MELTED WHICH IS WHERE AMBIENT TEMP SENSOR IS LOCATED AND COULD BE FIRE HAZARD. DEALER HAS CHANGED AMBIENT SENSOR BUT WARNINGS AND WILD TEMPS STILL OCCURR…

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CHECK ENGINE LIGHT, TRANSMISSION LIGHT COME ON INTERMITTENTLY. AMBIENT TEMP SENSOR RECORDS CRAZY TEMPS AS LOW AS NEGATIVE 40 F. PLASTIC CASING AROUND PASSENGER SIDE VIEW MIRROR MELTED WHICH IS WHERE AMBIENT TEMP SENSOR IS LOCATED AND COULD BE FIRE HAZARD. DEALER HAS CHANGED AMBIENT SENSOR BUT WARNINGS AND WILD TEMPS STILL OCCURRING. INCIDENTS OCCUR AS SOON AS CAR IS TURNED ON AND STAY ON FOR VARIOUS AMOUNTS OF TIME

NHTSA ODI #11064867

10 miles · Sep 4, 2017
Engine

ENGINE LIGHT CAME ON AND IT REVEALED A EVAP LEAK WHICH HAS HAPPENED BEFORE AND MECHANIC FOUND NO LEAK AND SAID IT MUST HAVE BEEN GAS CAP. A COUPLE MONTHS LATER LIGHT CAME ON AGAIN FOR THE SAME EVAP LEAK CODE. BUT THEN THE CAR BEGAN TO SHUDDER WHILE COMING TO STOP AND RAN ODD. TOOK IT TO FIAT DEALERSHIP. TURNS OUT THERE WERE THRE…

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ENGINE LIGHT CAME ON AND IT REVEALED A EVAP LEAK WHICH HAS HAPPENED BEFORE AND MECHANIC FOUND NO LEAK AND SAID IT MUST HAVE BEEN GAS CAP. A COUPLE MONTHS LATER LIGHT CAME ON AGAIN FOR THE SAME EVAP LEAK CODE. BUT THEN THE CAR BEGAN TO SHUDDER WHILE COMING TO STOP AND RAN ODD. TOOK IT TO FIAT DEALERSHIP. TURNS OUT THERE WERE THREE CODES OR MORE WHICH CANNOT BE READ UNLESS AT DEALERSHIP. SURPRISE SURPRISE. TOTAL REPAIR COSTS WERE 2500 AND I HAD NO IDEA MY CAR WAS MESSED UP CAUSE ENGINE LIGHT DID NOT INDICATE ISSUES. KEPT SAYING EVAP WHEN I HAD AN OIL PRESSURE SENSOR MESSED UP. GASKETS LEAKING AND A BLOWN VALVE ACTUATOR ASSEMBLY. CAR HAS LESS THAN 45K AND IS WELL MAINTAINED AND DRIVEN. VERY UPSET AT THE LOST OF INCOME. IT HURTS. IT'S A LOT OF MONEY FOR NO REASON. DISAPPOINTED IN AMERICAN BUILT CARS.

NHTSA ODI #11021313

54,000 miles · Jul 21, 2017
EnginePower Train

I WAS DRIVING TO AN APPOINTMENT AND WAS SITTING AT A RED LIGHT WHEN MY FIAT BEGAN TO SHAKE. I TOOK IT TO THE FIAT DEALERSHIP AFTER MY APPOINTMENT ON JUNE 16, 2017. THE FOLLOWING TUESDAY THEY SAID I WAS MY SPARK PLUGS AND I APPROVED CHANGING THEM. WHEN THEY STARTED THE CAR AGAIN THEN THEY GOT A MESSAGE STATING NO COMPRESSION IN…

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I WAS DRIVING TO AN APPOINTMENT AND WAS SITTING AT A RED LIGHT WHEN MY FIAT BEGAN TO SHAKE. I TOOK IT TO THE FIAT DEALERSHIP AFTER MY APPOINTMENT ON JUNE 16, 2017. THE FOLLOWING TUESDAY THEY SAID I WAS MY SPARK PLUGS AND I APPROVED CHANGING THEM. WHEN THEY STARTED THE CAR AGAIN THEN THEY GOT A MESSAGE STATING NO COMPRESSION IN CAM 2. I AN THE ORIGINAL OWNER AND HAVE HAD THE CAR JUST UNDER 4 YEARS. I HAVE HAD ALL THE SCHEDULED MAINTENANCE DONE THERE AT THE DEALERSHIP. I HOWEVER HAVE 54K ON THE ENGINE SO I AM JUST OUTSIDE OF THE WARRANTY. I HAVE BEEN GOING THROUGH VARIOUS FIAT FORUMS AND SEE THAT THIS SEEMS TO BE AN ISSUE WITH CAM 2.

NHTSA ODI #11010038

1,400 miles · Jun 21, 2017
EngineFuel/propulsion SystemPower Train

COMPLETE LOSS OF POWER WHEN DRIVING , I FILED FOR LEMON LAW. I WON. NOW THEY ARE GOING TO SELL THIS CAR ON THE INTERNET AS A BUY BACK.

NHTSA ODI #11000504

40,000 miles · Jun 21, 2017
EnginePower Train

TL* THE CONTACT OWNS A 2013 FIAT 500. THE CONTACT STATED THAT THE OIL PRESSURE AND SERVICE ENGINE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS SERVICED BY AN INDEPENDENT MECHANIC. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 16V302000 (POWER TRAIN). THE CONTACT STATED THAT THE MANUFACTURER HAD NOT SUPPLIED THE REMEDY AND PA…

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TL* THE CONTACT OWNS A 2013 FIAT 500. THE CONTACT STATED THAT THE OIL PRESSURE AND SERVICE ENGINE WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS SERVICED BY AN INDEPENDENT MECHANIC. THE VIN WAS INCLUDED IN NHTSA CAMPAIGN NUMBER: 16V302000 (POWER TRAIN). THE CONTACT STATED THAT THE MANUFACTURER HAD NOT SUPPLIED THE REMEDY AND PARTS WITHIN A REASONABLE TIME FRAME. MONTHS AFTER WAITING FOR THE RECALL REPAIR PARTS, THE CLUTCH WAS NOT FUNCTIONING PROPERLY AND THERE WAS A STRONG VIBRATION COMING FROM THE PEDAL. THE MANUFACTURER HAD A DEALER (BOB FRENSLEY CHRYSLER JEEP RAM FIAT IN MADISON, TN) SCHEDULE AN APPOINTMENT FOR JULY 6, 2017. IN THE INTERIM, THE CONTACT COULD OBTAIN A RENTAL VEHICLE AND WOULD BE REIMBURSED. THE APPROXIMATE FAILURE MILEAGE WAS 40,000. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11000436

55,000 miles · Jun 7, 2017
EngineUnknown Or Other

I HAVE RECEIVED SEVERAL RECALLS ON MY CLUTCH. I TOOK IT TO MY DEALERSHIP AND THEY WERE MADE AWARE OF THE ISSUE JANUARY 11TH, 2017 AND THEY STILL HAVE YET TO CONTACT ME. ALSO I HAVE AN OIL LEAK IN WHICH THEY SAID THEY FIXED. RIGHT AFTER I TOOK IT HOME OIL HAS BEEN FLOODING OUT OF IT AND SPRAYING ALL OVER MY CAR. THIS SHOULD NOT B…

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I HAVE RECEIVED SEVERAL RECALLS ON MY CLUTCH. I TOOK IT TO MY DEALERSHIP AND THEY WERE MADE AWARE OF THE ISSUE JANUARY 11TH, 2017 AND THEY STILL HAVE YET TO CONTACT ME. ALSO I HAVE AN OIL LEAK IN WHICH THEY SAID THEY FIXED. RIGHT AFTER I TOOK IT HOME OIL HAS BEEN FLOODING OUT OF IT AND SPRAYING ALL OVER MY CAR. THIS SHOULD NOT BE A PROBLEM GIVEN MY MILES AND YEAR OF MY CAR. I GOT ALL OF THE NECESSARY OIL CHANGES BUT HAVE NO PROOF SINCE MY HUSBAND DID THEM HIMSELF AND PAID CASH FOR THE ITEMS HE NEEDED. SO THE DEALERSHIP IS REFUSING TO WORK WITH ME AT ALL WITH THIS ISSUE EVEN THOUGH THEY MADE THE OIL LEAK WORSE THEN IT ORIGINALLY WAS.

NHTSA ODI #10993790

Mileage unknown · Oct 20, 2016
Engine

THE CLUTCH COVER DIAPHRAGM SPRING MAY FATIGUE AND/OR FRACTURE. SAFETY RISK: A FAILED CLUTCH COVER DIAPHRAGM SPRING MAY RESULT IN THE INABILITY TO DISENGAGE THE CLUTCH, SHIFT GEARS AND THE POTENTIAL FOR A LOSS OF MOTIVE POWER WHICH COULD CAUSE A CRASH WITHOUT WARNING. REMEDY: IMPLEMENT A CLUTCH PEDAL LIMITER AND A CLUTCH …

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THE CLUTCH COVER DIAPHRAGM SPRING MAY FATIGUE AND/OR FRACTURE. SAFETY RISK: A FAILED CLUTCH COVER DIAPHRAGM SPRING MAY RESULT IN THE INABILITY TO DISENGAGE THE CLUTCH, SHIFT GEARS AND THE POTENTIAL FOR A LOSS OF MOTIVE POWER WHICH COULD CAUSE A CRASH WITHOUT WARNING. REMEDY: IMPLEMENT A CLUTCH PEDAL LIMITER AND A CLUTCH PEDAL SWITCH. RECALL STATUS: RECALL INCOMPLETE. REMEDY NOT YET AVAILABLE

NHTSA ODI #10917571

55,000 miles · Sep 16, 2016
EnginePower Train

TL* THE CONTACT OWNS A 2013 FIAT 500. WHILE DRIVING 60 MPH, THE VEHICLE LOST POWER AND SWITCHED OUT OF GEAR WITHOUT WARNING. THE VEHICLE WOULD NOT ACCELERATE BEYOND 15 MPH ON THE HIGHWAY. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE. THE FAILURE MILEAGE WAS APPROXIMATELY 55,000.

NHTSA ODI #10907070

22,500 miles · Jul 30, 2015
Engine

I TOOK MY VEHICLE IN FOR A TAPPING SOUND COMING FROM THE ENGINE COMPARTMENT. THE AFTERNOON AFTER I DROPPED OFF MY CAR I RECEIVED A CALL FROM THE SERVICE ADVISER TELLING ME THAT THE NOISE WAS COMING FROM AN INTERIOR COMPONENT OF MY ENGINE AND THAT THE ENGINE WOULD HAVE TO BE REPLACED. THE ENGINE DID NOT COME IN UNTIL JULY 20, 20…

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I TOOK MY VEHICLE IN FOR A TAPPING SOUND COMING FROM THE ENGINE COMPARTMENT. THE AFTERNOON AFTER I DROPPED OFF MY CAR I RECEIVED A CALL FROM THE SERVICE ADVISER TELLING ME THAT THE NOISE WAS COMING FROM AN INTERIOR COMPONENT OF MY ENGINE AND THAT THE ENGINE WOULD HAVE TO BE REPLACED. THE ENGINE DID NOT COME IN UNTIL JULY 20, 2015. WITHIN A DAY OR TWO I RECEIVED ANOTHER CALL FROM THE SERVICE ADVISER TELLING ME THAT THE CLUTCH PRESSURE PLATE WAS WORN DOWN TO THE METAL AND THAT IT NEEDED TO BE REPLACED. HE WENT ON TO SAY THAT THIS PARTICULAR PART WAS NOT COVERED UNDER THE MANUFACTURERS WARRANTY AND I WOULD NOW INCUR AN OUT OF POCKET EXPENSE. AT FIFTY THREE YEARS OF AGE I HAVE HAD SEVERAL VEHICLES WITH MANUAL TRANSMISSIONS AND NEVER HAVE HAD PROBLEMS WITH MY CLUTCH LET ALONE WITH THE PRESSURE PLATE. SOON AFTER I RESEARCHED SEVERAL VEHICLE REVIEW WEB SITES TO LEARN THAT THERE ARE A NUMBER OF COMPLAINTS WITH THE CLUTCH PRESSURE PLATE VEHICLES WITH MILEAGE FROM 11K TO 25 K.

NHTSA ODI #10745152

Official recalls

3

19V817000 · Power Train:automatic Transmission; Power Train:automatic Transmission:lever And Linkage:floor Shift

Nov 15, 2019

Chrysler (FCA US LLC) is recalling certain 2012-2013 Fiat 500 vehicles equipped with 6-speed automatic transmissions. The shifter cable bushing may fail allowing the cable to detach from the transmission.

Consequence & remedy

Consequence: If the shifter cable detaches from the transmission, the transmission may not shift into the gear selected by the driver. Additionally, despite selecting PARK with the shifter, the vehicle may roll away. These scenarios may increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the shifter cable adjuster, free of charge. The recall began January 9, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is VB4.

Additional source detail variants (2)

Power Train:automatic Transmission:lever And Linkage:floor Shift

Chrysler (FCA US LLC) is recalling certain 2012-2013 Fiat 500 vehicles equipped with 6-speed automatic transmissions. The shifter cable bushing may fail allowing the cable to detach from the transmission.

Consequence: If the shifter cable detaches from the transmission, the transmission may not shift into the gear selected by the driver. Additionally, despite selecting PARK with the shifter, the vehicle may roll away. These scenarios may increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the shifter cable adjuster, free of charge. The recall began January 9, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is VB4.

Power Train:automatic Transmission

Chrysler (FCA US LLC) is recalling certain 2012-2013 Fiat 500 vehicles equipped with 6-speed automatic transmissions. The shifter cable bushing may fail allowing the cable to detach from the transmission.

Consequence: If the shifter cable detaches from the transmission, the transmission may not shift into the gear selected by the driver. Additionally, despite selecting PARK with the shifter, the vehicle may roll away. These scenarios may increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the shifter cable adjuster, free of charge. The recall began January 9, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is VB4.

16V302000 · Power Train:manual Transmission

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.

15V291000 · Power Train:automatic Transmission

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

1

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.