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2011 Dodge RAM 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2011 Dodge RAM 1500 do not stand out strongly from the model-year median of 520.

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When problems were reported

Mileage at the reported incident

491 reports with mileage · 197 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.

  • Electrical System. Review the 214 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 175 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 151 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

28 crash reports7 fire reports17 injury reports

Power Train complaints

175 reports
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Mileage unknown · Jun 29, 2018
Power Train

TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 13V038000 (POWER TRAIN) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND STATED THAT THE VEHICLE WAS INCLUDED IN THE BUYBACK PROGRAM BECAUSE THE PARTS WERE NO LONGER AVAILABLE TO D…

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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT STATED THAT NHTSA CAMPAIGN NUMBER: 13V038000 (POWER TRAIN) EXCEEDED A REASONABLE AMOUNT OF TIME FOR REPAIR. THE DEALER WAS NOT CONTACTED. THE MANUFACTURER WAS CONTACTED AND STATED THAT THE VEHICLE WAS INCLUDED IN THE BUYBACK PROGRAM BECAUSE THE PARTS WERE NO LONGER AVAILABLE TO DO THE REPAIR. THE VEHICLE WAS NOT REPAIRED. THE CONTACT HAD NOT EXPERIENCED A FAILURE.

NHTSA ODI #11104686

Mileage unknown · Jun 20, 2018
Fuel System, GasolinePower Train

TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 17V821000 (POWER TRAIN) AND 18V160000 (FUEL SYSTEM, GASOLINE); HOWEVER, THE PARTS TO DO THE REPAIRS WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIRS. THE DEALER …

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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 17V821000 (POWER TRAIN) AND 18V160000 (FUEL SYSTEM, GASOLINE); HOWEVER, THE PARTS TO DO THE REPAIRS WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIRS. THE DEALER (HOLDEN DODGE CHRYSLER JEEP RAM, 640 S GOVERNORS AVE, DOVER, DE 19904, (302) 734-5708) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDIES. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11102867

Mileage unknown · Jun 19, 2018
Power Train

TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (JONES MOTOR COMPANY, 545 FLORENCE RD, SA…

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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (JONES MOTOR COMPANY, 545 FLORENCE RD, SAVANNAH, TN 38372, (731) 925-4923) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. *TT UPDATED 9/26/18*JB

NHTSA ODI #11102679

Mileage unknown · Jun 19, 2018
Fuel System, GasolinePower Train

TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 17V821000 (POWER TRAIN) AND 18V160000 (FUEL SYSTEM, GASOLINE); HOWEVER, THE PARTS NEEDED FOR THE REPAIRS WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIRS. THE …

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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 17V821000 (POWER TRAIN) AND 18V160000 (FUEL SYSTEM, GASOLINE); HOWEVER, THE PARTS NEEDED FOR THE REPAIRS WERE NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIRS. THE CONTACT CALLED LESTER GLENN CHRYSLER DODGE JEEP RAM FIAT AT (888) 819-3759 (101 NJ-37, TOMS RIVER, NJ 08753) AND WAS INFORMED THAT PARTS WERE NOT AVAILABLE. THE MANUFACTURER WAS NOT MADE AWARE OF THE ISSUE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11102561

Mileage unknown · Jun 8, 2018
Power Train

TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (GLENN POLK FORD, 4320 N INTERSTATE 35, G…

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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PARTS TO DO THE REPAIR WERE UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE DEALER (GLENN POLK FORD, 4320 N INTERSTATE 35, GAINESVILLE, TX 76240, (940) 668-8770) WAS CONTACTED AND CONFIRMED THAT THE PARTS WERE NOT AVAILABLE FOR THE RECALL REMEDY. THE MANUFACTURER WAS MADE AWARE OF THE ISSUE AND WAS NOT ABLE TO CONFIRM WHEN THE PARTS WERE TO BECOME AVAILABLE. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11100540

56,000 miles · May 2, 2018
Engine And Engine CoolingFuel/propulsion SystemPower Train

TL* THE CONTACT OWNS A 2011 RAM 1500. UPON STARTING THE VEHICLE, A FUEL ODOR WAS DETECTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED WITH A FRACTURED EXHAUST MANIFOLD. THE VEHICLE WAS REPAIRED, BUT THE FAILURE PERSISTED. THE VEHICLE WAS TAKEN BACK TO THE INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED T…

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TL* THE CONTACT OWNS A 2011 RAM 1500. UPON STARTING THE VEHICLE, A FUEL ODOR WAS DETECTED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED WITH A FRACTURED EXHAUST MANIFOLD. THE VEHICLE WAS REPAIRED, BUT THE FAILURE PERSISTED. THE VEHICLE WAS TAKEN BACK TO THE INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE EXHAUST MANIFOLD BOLT NEEDED TO BE INSTALLED. THE CONTACT HEARD AN ABNORMAL NOISE AND THE VEHICLE STARTED TO MISFIRE. THE CONTACT STATED THAT SEVERAL WARNING INDICATORS ILLUMINATED. THE VEHICLE WAS TAKEN TO CROSSROADS NISSAN-WAKE FOREST (11120 CAPITAL BLVD, WAKE FOREST, NC 27587) WHERE IT WAS DIAGNOSED THAT THE CAM SHAFT NEEDED REPLACEMENT. THE VEHICLE WAS AWAITING REPLACEMENT OF THE MANIFOLD BOLT AND CAM SHAFT. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBERS: 17V821000 (POWER TRAIN) AND 18V160000 (FUEL SYSTEM, GASOLINE). THE CONTACT STATED THAT THE RECALL REPAIRS WERE EXCEEDING A REASONABLE AMOUNT OF TIME. THE CONTACT CALLED TWO DEALERS: (CROSSROADS NISSAN, 11120 CAPITAL BLVD, WAKE FOREST, NC 27587) AND (WESTGATE DODGE, 6421 OLD WESTGATE RD, RALEIGH, N 27617) AND WAS INFORMED THAT THE PARTS WERE NOT AVAILABLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURES AND CONFIRMED THAT THE VIN WAS INCLUDED IN THE TWO NHTSA RECALLS, BUT PARTS WERE NOT AVAILABLE. THE FAILURE MILEAGE WAS APPROXIMATELY 56,000. PARTS DISTRIBUTION DISCONNECT.

NHTSA ODI #11091351

Mileage unknown · Apr 10, 2018
Power Train

TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED LITHIA CHRYSLER JEEP DODGE R…

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TL* THE CONTACT OWNS A 2011 RAM 1500. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 17V821000 (POWER TRAIN); HOWEVER, THE PART NEEDED FOR THE REPAIR WAS NOT AVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL REPAIR. THE CONTACT CALLED LITHIA CHRYSLER JEEP DODGE RAM OF POCATELLO AT (208) 904-3369 (633 BULLOCK ST, POCATELLO, ID 83201) AND WAS INFORMED THAT THE PART WAS NOT AVAILABLE. THE MANUFACTURER WAS NOT CONTACTED. THE CONTACT HAD NOT EXPERIENCED A FAILURE. PARTS DISTRIBUTION DISCONNECT. *TT CONTACT STATES THEY CONTACTED MANUFACTURER (RAM) AND THE MANUFACTURER SAID THE PART WAS NOT AVAILABLE. *TT

NHTSA ODI #11084348

Mileage unknown · Mar 5, 2018
Power Train

MY 2005 DODGE RAM HAD A RECALL FOR REAR PINION ISSUE. NOW I HAVE A 2011 DODGE RAM THAT IS HAVING THE SAME NOISE FROM THE REAR END. HA E HAD IT LOOKED AT BY MULTIPLE MECHANICS AND HAVE BEEN TOLD IT'S THE REAR PINION BEARINGS IN THIS TRUCK AD WELL.

NHTSA ODI #11076259

136,485 miles · Feb 12, 2018
Power Train

REAR END BEARING NOISE WHILE HIGHWAY DRIVING. REFERENCE PREVIOUS RECALLS FOR 2011 RAM 1500 FOR REAR BEARING FAILURE CAUSING AXLE TO LOCK UP WHILE DRIVING. POTENTIAL CRASH HAZARD FROM LOSS OF CONTROL. HOWEVER THIS VIN IS APPARENTLY NOT COVERED BY RECALL!!

NHTSA ODI #11072311

78,000 miles · Feb 1, 2018
Air BagsPower TrainSuspension

TAKATA RECALL, I HAVE RECEIVED A LETTER IN THE MAIL STATING I NEEDED MY AIRBAG REPLACED BUT AFTER NOTIFYING THE SERVICE DEPARTMENT I WAS TOLD THAT I DO NOT HAVE ANY ACTIVE RECALLS AT THE PRESENT TIME. THE REAR OF MY VEHICLE HAS BEEN MAKING NOISE FOR SOME TIME DESPITE ALSO BEING TOLD THERE IS NO RECALL ON THE SPECIFIC YEAR THAT I…

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TAKATA RECALL, I HAVE RECEIVED A LETTER IN THE MAIL STATING I NEEDED MY AIRBAG REPLACED BUT AFTER NOTIFYING THE SERVICE DEPARTMENT I WAS TOLD THAT I DO NOT HAVE ANY ACTIVE RECALLS AT THE PRESENT TIME. THE REAR OF MY VEHICLE HAS BEEN MAKING NOISE FOR SOME TIME DESPITE ALSO BEING TOLD THERE IS NO RECALL ON THE SPECIFIC YEAR THAT I HAVE PURCHASED. LAST BUT NOT LEAST THERE IS A CONSTANT BATTLE WITH THE REAR SUSPENSION OF THE VEHICLE. THIS PARTICULAR VEHICLE HAVE UPPER AND LOWER MOUNT BARS BUT THE RUBBER GIVES AWAY IN THE PART WHICH CAUSES A SWAY THAT MAKES YOU LOOSE CONTROL TRAVELING OVER 50MPH WITHOUT TOWING A LOAD. I HAVE BEEN REDUCED TO NOT USING THIS VEHICLE ON THE EXPRESSWAY. ALSO TO DATE THE TRANSMISSION HAS BEEN GIVEN A FULL OVERHALL AS OF LAST YEAR. AT THE TIME THERE WERE 120,000 MILES ON THE POWER TRAIN

NHTSA ODI #11066179

Official recalls

4

18V160000 · Fuel System, Gasoline:storage:tank Assembly:mounting

Mar 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.

17V821000 · Power Train:automatic Transmission:lever And Linkage:column Shift

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.

13V038000 · Power Train:driveline:differential Unit

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.

10V656000 · Suspension:rear:axle:spindle

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

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.