NHTSA owner reports · September 18, 2026 snapshot.
Engine complaints
151 reportsClear category filter100,500 miles · Nov 4, 2020
Electrical SystemEngine
TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THE VEHICLE LOSS MOTIVE POWER AND STALLED WITHOUT WARNING. THE CONTACT PULLED OVER AND THE VEHICLE RESTARTED AFTER SEVERAL ATTEMPTS. THE CONTACT STATED THAT THE FAILURE RECURRED AND AFTER MANIPULATING THE KEY IN THE IGNITION, THE…
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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT STATED THAT WHILE DRIVING AT AN UNDISCLOSED SPEED, THE VEHICLE LOSS MOTIVE POWER AND STALLED WITHOUT WARNING. THE CONTACT PULLED OVER AND THE VEHICLE RESTARTED AFTER SEVERAL ATTEMPTS. THE CONTACT STATED THAT THE FAILURE RECURRED AND AFTER MANIPULATING THE KEY IN THE IGNITION, THE VEHICLE STARTED. TOWBIN DODGE (275 AUTO MALL DR, HENDERSON, NV 89014, (702) 558-3800) WAS CONTACTED AND THE CONTACT WAS INFORMED THAT THE VIN WAS NOT UNDER RECALL. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC AND DIAGNOSED WITH AN IGNITION SWITCH FAILURE. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS NOT CONTACTED OR INFORMED OF THE FAILURE. THE FAILURE MILEAGE WAS 100,500.
NHTSA ODI #11373017
165,000 miles · Oct 26, 2020
EngineFuel/propulsion System
WHEN I TURNED MY VEHICLE OFF AND TOOK THE KEY OUT THE FUEL PUMP CONTINUED TO RUN FOR HOURS BECAUSE THE FUEL PUMP RELAY IS BAD. THIS TRUCK DOESN'T HAVE AN EXTERNAL FUEL PUMP RELAY LIKE MOST VEHICLES DO. BY HAVING A BAD INTERNAL RELAY IT CAN CAUSE GAS TO CONTINUE TO PUMP IN AN ACCIDENT AND IF THERE IS A FIRE THE FUEL WILL CONTINUE…
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WHEN I TURNED MY VEHICLE OFF AND TOOK THE KEY OUT THE FUEL PUMP CONTINUED TO RUN FOR HOURS BECAUSE THE FUEL PUMP RELAY IS BAD. THIS TRUCK DOESN'T HAVE AN EXTERNAL FUEL PUMP RELAY LIKE MOST VEHICLES DO. BY HAVING A BAD INTERNAL RELAY IT CAN CAUSE GAS TO CONTINUE TO PUMP IN AN ACCIDENT AND IF THERE IS A FIRE THE FUEL WILL CONTINUE TO PUMP AND NOT SHUT OFF. ALSO BY THIS FUEL RELAY NOT SHUTTING OFF THE FUEL PUMP IT DRAINS MY BATTERY AND IT WILL BURN OUT THE FUEL PUMP.. THE BIGGEST CONCERN BY NOT HAVING AN EXTERNAL FUEL RELAY WHERE A PERSON CAN CHANGE IT IS THAT WHEN IT DON'T SHUT OFF AS YOUR DRIVING AND GET I AN ACCIDENT WHERE FIRE OR HEAT IS INVOLVED THIS COULD CAUSE AN EXPLOSION INJURY OR EVEN DEATH, BECAUSE PEOPLE DON'T KNOW THIS RELAY IS BAD AND CAN'T CHANGE IT WITHOUT CHANGING THE WHOLE FUSE BOX OR GETTING THE FUSE BOX REPLACED. THE FIRST TIME IT HAPPENED I PARKED THE CAR AND REMOVED KEY AND LEFT IT FOR 8 HOURS WHILE I WAS AT WORK. I CAME OUT TO A DEAD BATTERY, AFTER HOOKING UP JUMPER CABLES I COULD HEAR A HUMMING SOUND, WHICH TURNED OUT TO BE THE FUEL PUMP CONTINUING TO PUMP GAS EVEN THOUGH KEY WAS OUT AND TRUCK WAS TURNED OFF... I KNOW DODGE RECALLED OTHER TYPES OF VEHICLES WITH THIS SAME PROBLEM.
NHTSA ODI #11366352
176,199 miles · Sep 27, 2020
EngineService BrakesWheels
WHEEL BEARINGS TRANSMISSION BRAKES ALTERNATOR BATTERY SITTING STILL WITH ALTERNATOR AND BATTERY AND IN MOTION WITH WHEEL BEARINGS BRAKES AND TRANSMISSION
NHTSA ODI #11361409
155,000 miles · Sep 1, 2020
Engine
TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT STATED THAT AT VEHICLE START-UP, THE ENGINE RATTLED AND VIBRATED WITHOUT WARNING. OVER TIME, THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIGHT ILLUMINATED WHILE DRIVING AT 35 MPH. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHO INFORMED HIM THAT THERE WAS A MISFI…
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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT STATED THAT AT VEHICLE START-UP, THE ENGINE RATTLED AND VIBRATED WITHOUT WARNING. OVER TIME, THE CONTACT STATED THAT THE CHECK ENGINE WARNING LIGHT ILLUMINATED WHILE DRIVING AT 35 MPH. THE CONTACT TOOK THE VEHICLE TO AN INDEPENDENT MECHANIC WHO INFORMED HIM THAT THERE WAS A MISFIRE IN CYLINDER #8. THE CONTACT WAS INFORMED THAT IN ORDER TO REPAIR THE VEHICLE, THE LIFTERS AND POSSIBLY THE CAMSHAFT NEEDED TO BE REPLACED. THE VEHICLE HAD YET TO BE REPAIRED. THE DEALER HAD YET TO BE NOTIFIED OF THE FAILURE. THE MANUFACTURER HAD BEEN NOTIFIED AND THE CONTACT WAS INFORMED THAT THERE WERE NO RECALLS ON THE VEHICLE. THE CONTACT WAS THEN REFERRED TO NHTSA AND WAS OFFERED NO FURTHER ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 155,000.
NHTSA ODI #11352493
Mileage unknown · Aug 26, 2020
Engine
BACK IN AUGUST OF 2019 I BOUGHT MY CAR TO THE BROWNS 112 DEALERSHIP AND GOT WORK DONE TO PUT IN A NEW ENGINE IN THE CAR THIS WORK TOOK OVER 4 MONTHS, THE CHECK ENGINE LIGHT WAS NEVER OFF THE CAR NOW A YEAR LATER ALMOST AND THE CAR IS GIVIN ME THE SAME PROBLEM WITH THE ENGINE SHAKING AND NOW THE DEALERSHIP IS TELLING ME THAT 27,0…
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BACK IN AUGUST OF 2019 I BOUGHT MY CAR TO THE BROWNS 112 DEALERSHIP AND GOT WORK DONE TO PUT IN A NEW ENGINE IN THE CAR THIS WORK TOOK OVER 4 MONTHS, THE CHECK ENGINE LIGHT WAS NEVER OFF THE CAR NOW A YEAR LATER ALMOST AND THE CAR IS GIVIN ME THE SAME PROBLEM WITH THE ENGINE SHAKING AND NOW THE DEALERSHIP IS TELLING ME THAT 27,000 ON THE NEW ENGINE THE PROBLEM IS MINE AND THAT I WRECK THE CAR WHICH I DON'T UNDERSTAND HOW I DID THIS
NHTSA ODI #11351306
139,900 miles · Jul 20, 2020
Engine
CHECK ENGINE LIGHT CAME OUT AND VEHICLE BECAME SLUGGISH ON HIGHWAY. CYLINDERS MISSFIRING. LIFTER NOISE SO REMOVED AND REPLACED CAMSHAFT AND SOLENOID. FOUND MANY OTHERS WITH SIMILAR ISSUES ONLINE: HTTPS://WWW.CARCOMPLAINTS.COM/DODGE/RAM_1500/2011/ENGINE/LIFTER_AND_CAM_ISSUE.SHTML AND HTTPS://WWW.CARCOMPLAINTS.COM/DODGE/RAM_1500/2…
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CHECK ENGINE LIGHT CAME OUT AND VEHICLE BECAME SLUGGISH ON HIGHWAY. CYLINDERS MISSFIRING. LIFTER NOISE SO REMOVED AND REPLACED CAMSHAFT AND SOLENOID. FOUND MANY OTHERS WITH SIMILAR ISSUES ONLINE: HTTPS://WWW.CARCOMPLAINTS.COM/DODGE/RAM_1500/2011/ENGINE/LIFTER_AND_CAM_ISSUE.SHTML AND HTTPS://WWW.CARCOMPLAINTS.COM/DODGE/RAM_1500/2011/ENGINE/LIFTER_AND_CAM_ISSUE-2.SHTML
NHTSA ODI #11340488
138,700 miles · Jun 2, 2020
Engine
CHECK ENGINE LIGHT ILLUMINATED WHILE DRIVING. LOST POWER AND HAD TO PULL OVER DUE TO VIBRATION. COULD NOT DRIVE EVEN CLOSE TO THE SPEED LIMIT AND CAUSED A TRAFFIC BACKUP WHILE DRIVING IT TO THE DEALER. CODE WS P0305. MISFIRE ON CYLINDER 5. THE DEALER CHANGED PLUGS, AND COIL PACK. RESET CHECK ENGINE LIGHT. DROVE 12 MILES AND CHE…
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CHECK ENGINE LIGHT ILLUMINATED WHILE DRIVING. LOST POWER AND HAD TO PULL OVER DUE TO VIBRATION. COULD NOT DRIVE EVEN CLOSE TO THE SPEED LIMIT AND CAUSED A TRAFFIC BACKUP WHILE DRIVING IT TO THE DEALER. CODE WS P0305. MISFIRE ON CYLINDER 5. THE DEALER CHANGED PLUGS, AND COIL PACK. RESET CHECK ENGINE LIGHT. DROVE 12 MILES AND CHECK ENGINE LIGHT ILLUMINATED AGAIN. RETURNED TO DEALER. MECHANIC STATED IT WAS WORN CAM. ESTIMATED COST TO REPAIR IS 4500-5000. THIS TRUCK ONLY HAS 140,000 MILES ON IT. I HAVE TAKEN EXTRA CARE WITH THIS VEHICLE. I'M RETIRED AND I PLANNED ON THIS BEING MY LAST TRUCK. UPON INVESTIGATION THERE ARE LITERALLY 10000'S OF THESE ENGINES BREAKING IN THIS MANNER. IT'S NOT ONLY TRUCKS BUT IN ALL OF THE VARIOUS CHRYSLER VEHICLES. THIS STARTED WITH THE FIRST MODEL 5.7 HEMI. THERE IS NO COMMENT OR HELP FROM CHRYSLER. THIS ENGINE FAILURE NEEDS TO BE ADDRESSED BY NHTSA. INDIVIDUALS HAVE LITTLE POWER TO DO ANYTHING WHICH IS WHY WE RELY ON GOVERNMENT ORGANIZATIONS SUCH AS NHTSA TO MAKE OUR COLLECTIVE VOICES HEARD. I'M POSITIVE THAT YOU HAVE THOUSANDS OF REGISTERED COMPLAINTS ON THIS ISSUE YET YOU HAVE DONE DO NOTHING? I KNOW THIS WILL MEAN MILLIONS TO CHRYSLER. DO THEY HAVE THE NHTSA IN IT'S POCKET? SURE SEEMS TO BE THE CASE SINCE YOU ARE NOT REPRESENTING THE US CITIZENS HARMED BY CHRYSLER USING FAULTY PARTS IN THE MANUFACTURE OF THE 5.7 HEMI. WHERE IS THE QUALITY CONTROL? THIS SHOULD HAVE BEEN FOUND IF CHRYSLER HAD QUALITY CONTROL ON THE PARTS THEY USE. I THOUGHT THIS WAS MANDATORY. I LOOK FORWARD TO YOUR RESPONSE TO SEE HOW YOU ARE WIGGLING OUT OF THIS. *TR
NHTSA ODI #11327022
145,000 miles · May 31, 2020
Engine
DRIVING DOWN THE ROAD SLOWING DOWN HEADING TOWARDS A STOPLIGHT AND MY 2011 DODGE RAM STOPPED AT THE STOPLIGHT AND WOULD NOT TURN OVER IT WOULD CRANK BUT WOULD NOT START. SO I HAD TO PUSH THE TRUCK INTO A PARKING LOT CALL FOR A TOW TRUCK AND FURTHER INSPECT THE VEHICLE. UPON LOOKING AT THE VEHICLE AND LEFT LOOKING UNDER THE HOOD …
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DRIVING DOWN THE ROAD SLOWING DOWN HEADING TOWARDS A STOPLIGHT AND MY 2011 DODGE RAM STOPPED AT THE STOPLIGHT AND WOULD NOT TURN OVER IT WOULD CRANK BUT WOULD NOT START. SO I HAD TO PUSH THE TRUCK INTO A PARKING LOT CALL FOR A TOW TRUCK AND FURTHER INSPECT THE VEHICLE. UPON LOOKING AT THE VEHICLE AND LEFT LOOKING UNDER THE HOOD I NOTICED COOLANT LEAKING BUT WAS NOT A PROBLEM. WHEN THE TOW TRUCK ARRIVE 3 1/2 HOURS LATER I STARTED TALKING TO HIM AND TOGETHER HIS OPINION OF WHAT HAPPEN POSSIBLE TIMING OR HEAD GASKET BLOWN HEAD GASKET BUT THAT WAS NOT THE CASE THERE WAS NO LEAKAGE I STILL HAVE COMPRESSION SPARK AND FUEL COMING TO THE VEHICLE. THE VEHICLE WAS TOWED ALL THE WAY BACK TO MY PROPERTY WHERE MY BROTHER-IN-LAW ASSISTED WHO HAS BEEN A MECHANIC FOR THE LAST 18 YEARS HAS STARTED GOING THROUGH IT WE HAVE NOTICED SOME SIMILAR RECALLS WITH THE TIMING CHAIN ISSUES WHICH WE BELIEVE THAT IS THE ISSUE BECAUSE WE DO HAVE COMPRESSION AND SPARK IGNITION AND FUEL IN THE VEHICLE. IF YOU CAN PLEASESHED SOME LIGHT ON THIS I WOULD REALLY ENJOY HEARING BACK SO I CAN FIND OUT WHAT'S GOING ON WITH THE TRUCK AND MAY BE A POSSIBLE RECALL FOR THIS ISSUE.
NHTSA ODI #11326675
110,000 miles · May 18, 2020
Engine
COMING FOR THE SENIOR CENTER ON THE FREEWAY. MY TRUCK BEGAN TO SHAKE AND THE ENGINE LIGHT CAME ON & A BELL WAS RINGING. I PUT MY EMERGENCY LIGHT ON, I DID NOT KNOW WHAT WAS GOING ON. EVERYONE AROUND ME HAD TO SLOW DOWN AND I'M IN TRAFFIC. THEY WILL RUN YOU OVER ON THE FREEWAY. BLOWING THERE HORN AND THEY CAN SEE SOMETHING IS WRO…
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COMING FOR THE SENIOR CENTER ON THE FREEWAY. MY TRUCK BEGAN TO SHAKE AND THE ENGINE LIGHT CAME ON & A BELL WAS RINGING. I PUT MY EMERGENCY LIGHT ON, I DID NOT KNOW WHAT WAS GOING ON. EVERYONE AROUND ME HAD TO SLOW DOWN AND I'M IN TRAFFIC. THEY WILL RUN YOU OVER ON THE FREEWAY. BLOWING THERE HORN AND THEY CAN SEE SOMETHING IS WRONG WITH YOU TRUCK. THE TRUCK SLOW DOWN SO I KEEP GOING. WHEN I GOT OFF THE FREEWAY I WENT TO O'REILLY AUTO PART TO SEE WHAT WAS GOING ON. THE ENGINE LIGHT WAS STILL ON. THEY PUT THE MACHINE ON IT AND SAID IT WAS A MISFIRE CODE 5 AND OTHER CODE ALSO. NOW TO FIND OUT THAT IT THE CAM/LIFTER THAT NEED FIXING. OVER $5,000.00 DOLLAR WORK FOR THIS TRUCK. I LOOK ON LINE TO SEE IF IT WAS A RECALLS FOR THIS AND FOUND OUT THAT ALMOST ALL THE DODGE RAM WAS HAVING THE SAME PROBLEM. SOMETHING NEED TO BE DOING. THERE ARE TO MAY RAM DRIVER THAT COMING OUT THERE POCKET TO PAY FOR THE SAME THING. *TR
NHTSA ODI #11325062
134,440 miles · May 14, 2020
Engine
LIFTER FAILURES IN ENGINE, EVEN WHEN MAINTAINED. IN MOTION WHEN INCIDENT OCCURRED, CITY DRIVING. THIS CAUSES THE VEHICLE TO COMPLETELY STALL WHEN IN MOTION. KNOWN MECHANICAL FAILURE BY RAM/DODGE, BUT THEY HAVE TAKEN NO ACTION. THIS IS 5.7 HEMI ENGINES. REGARDING RAM 1500. *TR
NHTSA ODI #11324518
Official recalls
4Mar 8, 2018
Chrysler (FCA US LLC) is recalling certain 2009-2012 Dodge Ram 1500 trucks currently, or ever registered, in Connecticut, Delaware, Illinois, Indiana, Iowa, Maine, Maryland, Massachusetts, Michigan, Minnesota, Missouri, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia, Wisconsin and the District of Columbia. Exposure to environmental conditions such as water mixed with road salt may cause the front fuel tank strap frame "T-Slot" bracket to corrode, possibly causing the fuel tank to drop and make contact with the ground.
Consequence & remedy
Consequence: If the fuel tank were to drop and contact the ground, a fuel leak may result. Additionally, in the event of a crash, the fuel tank may not remain secured to the vehicle, possibly causing a fuel leak. A fuel leak in the presence in an ignition source, can increase the risk of a fire.
Remedy: Chrysler will notify owners and dealers will bolt a bracket reinforcement to the frame, free of charge. The recall began May 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U04.
Dec 20, 2017
Chrysler (FCA US LLC) is recalling certain 2016-2017 Ram 3500 Cab Chassis with a Gross Vehicle Weight Rating (GVWR) of less than 10,000 lbs, 2011-2017 Ram 3500, 4500 and 5500 Cab Chassis vehicles, 2009-2017 Ram 1500 and 2010-2017 Ram 2500 and 3500 pickup trucks, all equipped with a column shifter. Pushing the brake pedal for prolonged periods when the vehicle is running and in PARK may cause the Brake Transmission Shift Interlock (BTSI) pin to stick in the open position. With the pin in the open position, the transmission can be shifted out of PARK into any gear without pushing the brake pedal or having the key in the ignition.
Consequence & remedy
Consequence: Being able to shift the transmission without pushing the brake pedal and/or without a key in the ignition can increase the risk of an unintended vehicle rollaway that may result in personal injury or a crash.
Remedy: Chrysler will notify owners, and dealers will update the vehicle software, inspect the BTSI, and, as necessary, replace it, free of charge. The recall began February 26, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is T79.
Feb 6, 2013
Chrysler is recalling certain model year 2009-2012 Ram 1500 trucks manufactured from February 27, 2008, through June 30, 2009, and from December 1, 2009, through October 20, 2011; model year 2009-2011 Dodge Dakota trucks manufactured from February 27, 2007, through June 30, 2009, and from December 1, 2009, through September 30, 2011; model year 2009 Chrysler Aspen trucks manufactured from January 3, 2008, through December 18, 2008; and model year 2009 Dodge Durango trucks manufactured from January 3, 2008, through December 18, 2008. The rear axle pinion nut may loosen due to an undersized pinion spline that can allow relative motion between the nut and companion flange.
Consequence & remedy
Consequence: If the rear axle pinion nut loosens, the axle can lock up and cause a loss of vehicle control and/or a vehicle crash with little warning.
Remedy: On November 7, 2013 Chrysler notified owners that dealers would install a pinion nut retainer, free of charge. In July 2015, and under a consent order with NHTSA, the company agreed to offer owners three options for remedying their vehicles: perform the original remedy, offer to repurchase the vehicle at the fair market value plus 10%, or offer an additional incentive offer towards the purchase of a new Dodge, Jeep, Chrysler, or Fiat vehicle. Chrysler will notify owners of the new recall options in a letter expected to be mailed on August 31, 2015. Owners may contact Chrysler at 1-800-247-9753. Chrysler's recall campaign number is N08.
Dec 24, 2010
CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2011 RAM 1500 TRUCKS MANUFACTURED FROM SEPTEMBER 2009 THROUGH DECEMBER 2010. SOME VEHICLES MAY HAVE EXPERIENCE A NOISE (GROWL, GRIND) COMING FROM THE REAR AXLE BEARING WHICH COULD EVENTUALLY SEIZE.
Consequence & remedy
Consequence: A FAILURE OF THE BEARING COULD CAUSE THE VEHICLE TO STALL INCREASING THE RISK OF A CRASH.
Remedy: CHRYSLER WILL NOTIFY OWNERS AND WILL INSTALL AN OIL PORT INSERT INTO THE REAR AXLE FREE OF CHARGE. THE SAFETY RECALL BEGAN ON APRIL 4, 2011. OWNERS MAY CONTACT CHRYSLER AT 1-800-853-1403.
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.