NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
486 reports109,000 miles · Dec 12, 2018
Power Train
TL* THE CONTACT OWNS A 2010 RAM 1500. THE CONTACT STATED THAT THE REAR DIFFERENTIAL FAILED. WHILE DRIVING 35 MPH, THE CONTACT FELT A STRONG SHAKE AND A LOUD NOISE COMING FROM THE REAR OF THE VEHICLE. THE CONTACT WAS ABLE TO COAST THE VEHICLE ONTO A SAFE AREA AND DISCOVERED THAT THE REAR DIFFERENTIAL SEPARATED FROM THE VEHICLE. T…
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TL* THE CONTACT OWNS A 2010 RAM 1500. THE CONTACT STATED THAT THE REAR DIFFERENTIAL FAILED. WHILE DRIVING 35 MPH, THE CONTACT FELT A STRONG SHAKE AND A LOUD NOISE COMING FROM THE REAR OF THE VEHICLE. THE CONTACT WAS ABLE TO COAST THE VEHICLE ONTO A SAFE AREA AND DISCOVERED THAT THE REAR DIFFERENTIAL SEPARATED FROM THE VEHICLE. THE CONTACT WAS ABLE TO DRIVE THE VEHICLE TO A MECHANIC WHO DIAGNOSED THAT THERE WERE METAL SHAVINGS FOUND IN THE REAR DIFFERENTIAL. THE CONTACT ALSO STATED THAT THE COMPUTER HEAD UNIT THAT CONTROLLED THE HEATING, RADIO, AND DEFROSTER FAILED. AS A RESULT, THE DEFROSTER DID NOT OPERATE AND THE HEAT ONLY BLEW ONTO THE FLOORBOARD. THE CONTACT TOOK THE VEHICLE TO AN UNKNOWN CHRYSLER DEALER FOR THE COMPUTER HEAD UNIT. THE DEALER INSPECTED THE VEHICLE AND ADVISED THAT THE COMPUTER HEAD UNIT NEEDED TO BE REPLACED. THE MANUFACTURER WAS CONTACTED. THE MANUFACTURER ADVISED THAT THERE WAS A TECHNICAL SERVICE BULLETIN FOR THE REAR DIFFERENTIAL FAILURE AND A RECALL WAS NOT ISSUED FOR THE FAILURE. THE VEHICLE WAS NOT REPAIRED. THE FAILURE MILEAGE WAS 109,000.
NHTSA ODI #11160911
77,000 miles · Nov 21, 2018
Power Train
TL* THE CONTACT OWNS A 2010 RAM 1500. THE CONTACT STATED THAT THE RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN) WAS RECEIVED IN JANUARY OF 2018. AFTER CONTACTING THE LOCAL DEALER (CHYRSLER OF WINONA, 121 HUFF ST, WINONA, MN), THE CONTACT WAS INFORMED THAT THE PARTS NEEDED TO REPAIR THE DEFECT WERE NOT AVAILAB…
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TL* THE CONTACT OWNS A 2010 RAM 1500. THE CONTACT STATED THAT THE RECALL NOTICE FOR NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN) WAS RECEIVED IN JANUARY OF 2018. AFTER CONTACTING THE LOCAL DEALER (CHYRSLER OF WINONA, 121 HUFF ST, WINONA, MN), THE CONTACT WAS INFORMED THAT THE PARTS NEEDED TO REPAIR THE DEFECT WERE NOT AVAILABLE. THE MANUFACTURER WAS NOTIFIED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. *TT*JB
NHTSA ODI #11153122
132,000 miles · Nov 21, 2018
Power Train
TL* THE CONTACT OWNS A 2010 RAM 1500. WHILE DRIVING 25 MPH, THE SOUND OF SOMETHING VIBRATING WAS HEARD COMING FROM THE VEHICLE. THE CONTACT MENTIONED THAT THE REAR WHEELS SEIZED AND THE DRIVESHAFT FRACTURED. THE VEHICLE WAS TAKEN TO RON CARTER CHRYSLER JEEP DODGE OF LEAGUE CITY (3535 GULF FWY, DICKINSON, TX 77539, (281) 206-0656…
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TL* THE CONTACT OWNS A 2010 RAM 1500. WHILE DRIVING 25 MPH, THE SOUND OF SOMETHING VIBRATING WAS HEARD COMING FROM THE VEHICLE. THE CONTACT MENTIONED THAT THE REAR WHEELS SEIZED AND THE DRIVESHAFT FRACTURED. THE VEHICLE WAS TAKEN TO RON CARTER CHRYSLER JEEP DODGE OF LEAGUE CITY (3535 GULF FWY, DICKINSON, TX 77539, (281) 206-0656) AND THE CONTACT WAS INFORMED THAT THE VEHICLE WAS DIAGNOSED FOR THE SAME FAILURE IN 2005. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS MADE AWARE OF THE FAILURE. THE FAILURE MILEAGE WAS 132,000.
NHTSA ODI #11153099
146,000 miles · Nov 21, 2018
Electrical SystemService BrakesSteering
WHILE I WAS DRIVING 30 MPH ON A CITY STREET, MY TRUCK TURNED OFF UNEXPECTEDLY AND DISABLED THE POWER STEERING AND POWER BRAKING MAKING IT VERY DIFFICULT TO MANEUVER. I DID NOTATE THE THROTTLE CONTROL WARNING LIGHT DID COME ON. THIS HAPPENED TO ME AGAIN IN A PARKING GARAGE WHILE I WAS LEAVING, AGAIN DISABLING THE POWER STEERING A…
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WHILE I WAS DRIVING 30 MPH ON A CITY STREET, MY TRUCK TURNED OFF UNEXPECTEDLY AND DISABLED THE POWER STEERING AND POWER BRAKING MAKING IT VERY DIFFICULT TO MANEUVER. I DID NOTATE THE THROTTLE CONTROL WARNING LIGHT DID COME ON. THIS HAPPENED TO ME AGAIN IN A PARKING GARAGE WHILE I WAS LEAVING, AGAIN DISABLING THE POWER STEERING AND POWER BRAKING, THOUGH I WAS FORTUNATE ENOUGH NOT TO HIT ANY CARS WHILE I WAS TURNING. MY IGNITION SWITCH 'WIN' MODULE NOW ACTS UP OCCASIONALLY AND THE TRUCK WILL TURN OVER FOR A SECOND, AND THEN IMMEDIATELY TURN OFF. I BELIEVE THE ROOT CAUSE IS THE WIN MODULE. PLEASE REFERENCE RECALL # 11V139000 AND 10V200000 AS THIS EXACTLY DESCRIBES HOW MY TRUCK WAS IN MOTION AND WAS SHUT OFF DUE TO A WIN MODULE DEFECT.
NHTSA ODI #11153001
93,000 miles · Nov 2, 2018
Power Train
A PINION NUT IN THE DRIVETRAIN FAILED DURING NORMAL USE WHILE DRIVING DOWN A HIGHWAY AT 65 MPH, THE MAIN DRIVESHAFT SEPARATED FROM THE TRUCK AND SHEARED HALF OF THE TRANSFER CASE OFF. THE DRIVESHAFT ALSO DESTROYED THE REAR DIFFERENTIAL AND DAMAGED A LARGE ARE OF THE UNDER CARRIAGE. THIS BUT WAS UNDER RECALL AND AN ACCREDITED DEA…
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A PINION NUT IN THE DRIVETRAIN FAILED DURING NORMAL USE WHILE DRIVING DOWN A HIGHWAY AT 65 MPH, THE MAIN DRIVESHAFT SEPARATED FROM THE TRUCK AND SHEARED HALF OF THE TRANSFER CASE OFF. THE DRIVESHAFT ALSO DESTROYED THE REAR DIFFERENTIAL AND DAMAGED A LARGE ARE OF THE UNDER CARRIAGE. THIS BUT WAS UNDER RECALL AND AN ACCREDITED DEALERSHIP MADE THE INITIAL REPAIR BY REPLACING THE TRANSFER CASE AND DRIVESHAFT. THE REAR DIFFERENTIAL WAS REPAIRED. AFTER THE REPAIRS WERE MADE THE TRUCKS DRIVETRAIN WOULD NOT OPERATE CORRECTLY AND WOULD TRY TO SHIFT ITSELF INTO 4WD INTERMITTENTLY WITHOUT THE TRANSFER CASE SELECTOR BEING MOVED. THE DEALERSHIP WAS UNABLE TO TROUBLESHOOT THE PROBLEM FOR A NUMBER OF WEEKS BUT FINALLY DISCOVERED THE TRANSFER CASE MOTOR WAS BROKEN AND THAT THE INITIAL REPAIR SHOULD HAVE INCLUDED THIS PART AS IT WAS OBVIOUSLY DAMAGED IN THE INCIDENT BUT COULD NOT MAKE THE REPAIR BECAUSE IT WASN'T LISTED ON THE INITIAL REPAIR. FCA REFUSED TO REPLACE THE PART AND WOULD NOT ACCEPT AN APPEAL TO HAVE THE CASE REVIEWED TO INCLUDE THE NEW INFORMATION AS THE AREA MANAGER RESPONSIBLE FOR OUR CLAIM CLOSED IT WITHOUT ALLOWING THE NEW TROUBLESHOOTING RESULTS TO BE CONSIDERED.
NHTSA ODI #11144970
93,000 miles · Nov 2, 2018
Structure
THE OIL PAN ON MY 2010 DODGE RAM 1500 IS RUSTED THROUGH SO THE OIL LEAKS OUT ANY TIME THE MOTOR IS RUNNING. I HAVE HAD TO ADD AS MUCH AS 1 QUART OF MOTOR OIL AFTER DRIVING ONLY 50 MILES. THIS SHOULD BE A RECALL BECAUSE IF THE OIL ALL DRAINS OUT THEN THE MOTOR WILL SEIZE UP AND THE WHOLE TRUCK BECOMES GARBAGE! IT FEELS LIKE IT…
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THE OIL PAN ON MY 2010 DODGE RAM 1500 IS RUSTED THROUGH SO THE OIL LEAKS OUT ANY TIME THE MOTOR IS RUNNING. I HAVE HAD TO ADD AS MUCH AS 1 QUART OF MOTOR OIL AFTER DRIVING ONLY 50 MILES. THIS SHOULD BE A RECALL BECAUSE IF THE OIL ALL DRAINS OUT THEN THE MOTOR WILL SEIZE UP AND THE WHOLE TRUCK BECOMES GARBAGE! IT FEELS LIKE IT WAS MADE OF VERY THIN/CHEAP METAL BECAUSE WHEN I TIGHTEN THE OIL DRAIN PLUG, THE WHOLE END OF THE OIL PAN FLEXES UNDER VERY LITTLE TORQUE.
NHTSA ODI #11144836
Mileage unknown · Oct 31, 2018
Fuel/propulsion System
WHEN I START MY 2010 RAM 1500 THERE IS A LOUD TICK COMING FROM THE EXHAUST MANIFOLD, FROM THE BOLTS BREAKING DUE TO THE MATERIAL USED. THIS IS A SAFETY ISSUE BECAUSE OF THE RISK OF EXHAUST FUMES ENTERING THE CAB THROUGH THE VENTS.
NHTSA ODI #11144591
142,300 miles · Oct 30, 2018
Power Train
DRIVING ABOUT 35 MPH AND A WHIRRING STARTED IN THE REAR END. ONLY HAPPENED WHEN I WAS COASTING, NOT WHEN GAS WAS APPLIED OR BRAKES. AFTER ABOUT 15 MINUTES OF DRIVING AND SEVERAL STOPS THE DRIVE SHAFT FELL OFF. I WAS COASTING DOWN HILL ON A TWO LANE ROAD AS THE NOISE GOT VERY LOUD. FIRST THERE WAS A CLUNK AND OBVIOUSLY SOMETH…
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DRIVING ABOUT 35 MPH AND A WHIRRING STARTED IN THE REAR END. ONLY HAPPENED WHEN I WAS COASTING, NOT WHEN GAS WAS APPLIED OR BRAKES. AFTER ABOUT 15 MINUTES OF DRIVING AND SEVERAL STOPS THE DRIVE SHAFT FELL OFF. I WAS COASTING DOWN HILL ON A TWO LANE ROAD AS THE NOISE GOT VERY LOUD. FIRST THERE WAS A CLUNK AND OBVIOUSLY SOMETHING WAS DRAGGING UNDERNEATH, WHICH I THOUGHT WAS THE MUFFLER. THERE WAS NO WHERE TO STOP ON THE ROAD SO CONTINUED TO COAST. LESS THAN 5 SECONDS LATER ANOTHER CLUNK AND THEN IT WAS QUIET, PIECE HAD FALLEN OFF. I WAS ABLE TO PULL TO SIDE OF ROAD BUT VEHICLE WAS INOPERABLE. ESTIMATE FROM DEALERSHIP IS TO REPLACE DRIVE SHAFT AND WHOLE REAR END ASSEMBLY, $6200. ONLY EXPLANATION GIVEN WAS THAT A U-JOINT BROKE AND FELL OFF. DRIVE SHAFT FALLING OUT DAMAGED WHOLE REAR END ASSEMBLY.
NHTSA ODI #11144131
60,000 miles · Oct 26, 2018
Engine
I WAS INFORMED BY THE CHRYSLER DEALER THAT MY VEHICLE WOULD NOT PASS SAFETY INSPECTION. THE REASON FOR THE FAILURE WAS BECAUSE OF EXHAUST MANIFOLD BOLTS THAT HAVE BROKEN, THEREFORE THE SEAL BETWEEN THE MANIFOLD AND THE ENGINE HAD BEEN COMPROMISED. MY VEHICLE HAS ONLY 60000 MILES ON IT. AFTER FURTHER RESEARCH IT IS EVIDENT THA…
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I WAS INFORMED BY THE CHRYSLER DEALER THAT MY VEHICLE WOULD NOT PASS SAFETY INSPECTION. THE REASON FOR THE FAILURE WAS BECAUSE OF EXHAUST MANIFOLD BOLTS THAT HAVE BROKEN, THEREFORE THE SEAL BETWEEN THE MANIFOLD AND THE ENGINE HAD BEEN COMPROMISED. MY VEHICLE HAS ONLY 60000 MILES ON IT. AFTER FURTHER RESEARCH IT IS EVIDENT THAT THIS IS A KNOWN ISSUE WITH MY VEHICLE AND ENGINE COMBINATION. THERE ARE VAST AMOUNTS OF COMPLAINTS CONCERNING THIS EXACT ISSUE AND HOW TO REMEDY THIS DESIGN FLAW. I ATTEMPTED TO REACH OUT TO CHRYSLER SO THEY COULD PERFORM A GOODWILL GESTURE REPAIR. MY ATTEMPT WAS DENIED, WITH NO EXPLANATION AS TO WHY. THE ISSUE WITH THE EXHAUST MANIFOLD BOLTS BREAKING CREATES A SERIOUS SAFETY AND ENVIRONMENTAL CONCERN, AND CHRYSLER IS AT FAULT AND NEEDS TO TAKE RESPONSIBILITY FOR USING INFERIOR BOLTS OR IMPROPER ENGINEERING TECHNIQUES. THE EVIDENCE IS CLEAR, AND WHILE COSTLY, CHRYSLER SHOULD BARE THE COST TO MAKE THESE VEHICLES SAFE AND ENVIRONMENTALLY FRIENDLY.
NHTSA ODI #11142841
Mileage unknown · Sep 21, 2018
Power Train
TL* THE CONTACT OWNS A 2010 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PARTS TO DO THE RECALL REPAIR WERE NOT AVAILABLE. THE DEALER (STERLING HEIGHTS DODGE CHRYSLER JEEP RAM, 40111 VAN DYKE AVE, STERLING HEIGHTS, MI 48313, 586-939-3900) WAS CONTACTED AND CONFIRMED…
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TL* THE CONTACT OWNS A 2010 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PARTS TO DO THE RECALL REPAIR WERE NOT AVAILABLE. THE DEALER (STERLING HEIGHTS DODGE CHRYSLER JEEP RAM, 40111 VAN DYKE AVE, STERLING HEIGHTS, MI 48313, 586-939-3900) WAS CONTACTED AND CONFIRMED THAT PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS NOT CONTACTED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.
NHTSA ODI #11130597
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.
Oct 2, 2012
Chrysler is recalling certain model year 2009-2010, Ram 1500 and Dodge Dakota trucks, manufactured from July 1, 2009, through November 30, 2009, because the rear axle pinion nut may loosen due to a lack of adhesive.
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: Chrysler will notify owners, and dealers will install a pinion nut retainer, free of charge. The recall began on June 17, 2013. Owners may contact Chrysler at 1-800-247-9753.
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.
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