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2012 Dodge RAM 1500

Owner reports · Recalls · Investigations

Similar to other model years

Owner complaints for the 2012 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

472 reports with mileage · 225 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 175 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 163 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Fuel/propulsion System. Review the 92 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

32 crash reports10 fire reports20 injury reports

Suspension complaints

19 reports
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49,000 miles · Aug 11, 2015
Suspension

VEHICLE STARTING SHAKING A LOT AND OVER A MONTH PERIOD IT WORE OUT MY FRONT TWO TIRES, I HAD TO REPLACE BOTH TIRES (ALIGNMENT / BALANCE WAS CONDUCTED). THE 2 NEW TIRES WERE PLACED ON THE BACK AND NOW THE OLD BACK TIRES ARE IN FRONT AND THEY'RE STARTING TO WEAR OUT AS WELL AND THE FRONT OF THE VEHICLE STARTING TO SHAKE. NOT…

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VEHICLE STARTING SHAKING A LOT AND OVER A MONTH PERIOD IT WORE OUT MY FRONT TWO TIRES, I HAD TO REPLACE BOTH TIRES (ALIGNMENT / BALANCE WAS CONDUCTED). THE 2 NEW TIRES WERE PLACED ON THE BACK AND NOW THE OLD BACK TIRES ARE IN FRONT AND THEY'RE STARTING TO WEAR OUT AS WELL AND THE FRONT OF THE VEHICLE STARTING TO SHAKE. NOT SURE IF THE SUSPENSION IS BAD, THE VEHICLE WAS NEVER INVOLVED IN ANY ACCIDENT OR ANYTHING HAS BEEN HIT. THE TRUCK IS IMMACULATE CONDITION OTHER THAN THE FRONT SUSPENSION IS SHAKING.

NHTSA ODI #10747885

2,500 miles · Aug 3, 2015
Air BagsElectrical SystemSuspension

WELL FOR STARTERS THE AIR BAG LIGHT COME. TOOK IT BACK THEY SAID NOTHING WRONG HAD A BOTTLE UNDER SEAT.OK WHATEVER THAN TIME GOES ON AIR BAG LIGHT STILL ON.TAKE IT BACK.THEY REPLACE THE AIR BAG BRAIN SO IM TOLD. LIGHTS OFF FOR ABOUT A COUPLE WEEKS.THEN COMES BACK ON. IM SO TRIED OF DEALING WITH THIS. AND THEN I HAVE PROBLEMS WIT…

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WELL FOR STARTERS THE AIR BAG LIGHT COME. TOOK IT BACK THEY SAID NOTHING WRONG HAD A BOTTLE UNDER SEAT.OK WHATEVER THAN TIME GOES ON AIR BAG LIGHT STILL ON.TAKE IT BACK.THEY REPLACE THE AIR BAG BRAIN SO IM TOLD. LIGHTS OFF FOR ABOUT A COUPLE WEEKS.THEN COMES BACK ON. IM SO TRIED OF DEALING WITH THIS. AND THEN I HAVE PROBLEMS WITH THE TIRES WHICH GOT ROTATED LIKE THERE SUPPOSED TOO. THEY WORE OUT ON THE INSIDE. I WAS TOLD BY ONE PLACE IT NEED A FRONT END ALIGNMENT. SO I PROCEED TO GET ONE AND THEY HAD TOLD ME MY CAMBER ALIGNMENT BOLT WAS BENT AND IT NEED TO BE DEALT WITH A THE DEALER, BECAUSE IT COULD BE A DEFECT. SO I TOOK IT TO THE DEALER AND THE SAID THEY DID THE ALIGNMENT AND IT WAS FIXED.I HOPE SO NEVER GOT IT CHECKED AGAIN. I DONT HOLD MY BREATHE FOR THAT. THEN MY SUSPENSION LEANS TO THE RIGHTSIDE JUST A LITTLE BUT NOTHINGS WRONGS SO IM TOLD BY THE DEALER. AND MY DASH LIGHTS USED TO COME ON AND FLASH AND THE RADIO WAS OVERHEATING HAD TO GET A NEW ON. KEEP IN MIND THE WAS LESS THAN A YEAR OLD WHEN THIS ALL STARTED AND I BROUGHT BRAND NEW WITH ONLY 5 MILES ON IT FROM MY TEST DRIVE. AND IM THE ONLY OWNER AND ITS THREE YRS OLD NOW, WITH THE SAME CONTINUING PROBLEMS. THEY DEALER SAYS THERES NOTHING WRONG BS.....

NHTSA ODI #10745910

200 miles · Jul 30, 2015
Suspension

WELL MY TRUCK VIBRATES AT SPEEDS OF 70 TO 85 AND THE DEALER KEEPS SAYING NOTHING IS WRONG AND I AM SO ANGRY I BOUGHT A BRAND NEW TRUCK WITH 20 MILES ON IT AND IT DRIVES LIKE AND OLD TRUCK

NHTSA ODI #10745178

32,234 miles · Jul 29, 2015
SteeringSuspension

TOOK TRUCK TO COPPUS MOTORS TIFFIN,OHIO ON 4/21/2015 DUE TO FRONT LEFT OF VEHICLE MAKING EXCESSIVE ROAD NOISE AND WANTED TO KNOW IF IT WAS FROM THE TIRE, OR SOMETHING WRONG WITH FRONT END. DEALERSHIP SAID THEY CHECKED BEARINGS AND SUSPENSION AND ALL CHECKED OK. WAS TOLD BY CHRYSLER TO HAVE A CERTIFIED DEALERSHIP FOR GOODYEAR CH…

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TOOK TRUCK TO COPPUS MOTORS TIFFIN,OHIO ON 4/21/2015 DUE TO FRONT LEFT OF VEHICLE MAKING EXCESSIVE ROAD NOISE AND WANTED TO KNOW IF IT WAS FROM THE TIRE, OR SOMETHING WRONG WITH FRONT END. DEALERSHIP SAID THEY CHECKED BEARINGS AND SUSPENSION AND ALL CHECKED OK. WAS TOLD BY CHRYSLER TO HAVE A CERTIFIED DEALERSHIP FOR GOODYEAR CHECK TIRES, AT THAT TIME THEY ADVISED ME, THE FRONT END MUST BE OUT OF ALIGNMENT.TOOK TRUCK TO INDEPENDANT FRONT END ALIGNMENT BUSINESS, TO HAVE ALIGNMENT CHECKED AFTER PURCHASING NEW TIRES. TOE AND CAMBER WERE BOTH OUT AND WERE ADJUSTED. AFTER 3 WKS. TIME, FRONT END ALIGNMENT WAS OUT AGAIN. SAME BUSINESS, REALIGNED AGAIN. 2WKS LATER TOOK TO COPPUS MOTORS AND IT WAS OUT OF ALIGNMENT AGAIN, DEALERSHIP ALIGNED IT. 3WKS LATER TOOK BACK TO COPPUS MOTORS AS REQUESTED BY DEALERSHIP TO CHECK ALIGNMENT AND IT WAS OUT AGAIN. MY NEW TRUCK TIRES ARE NOW SHOWING EXCESSIVE WEAR AND ARE GOING TO SOON NEED REPLACED, AND TRUCK IS STILL NOT FIXED YET. AT THIS TIME, COPPUS MOTORS IS UNSURE HOW TO REPAIR ALIGNMENT SO IT WILL HOLD. SINCE THIS ALL STARTED I HAVE ONLY ACCUMULATED 4,000 MI. TO HAVE ANOTHER SET OF TIRES ALREADY SHOWING WEAR AND NEEDING REPLACEMENT SOON.

NHTSA ODI #10744705

65,891 miles · Apr 9, 2014
Air BagsSteeringStructureCrashInjury

MY WIFE WAS IN A WRECK YESTERDAY SHE HIT A TRUCK IN THE REAR END AND AIRBAGS DID NOT DEPLOY CAUSING HER FACIAL INJURIES ALSO A LATER SURGERY. *TR

NHTSA ODI #10578509

12,000 miles · Feb 12, 2014
SteeringSuspension

I PURCHASE A 2012 DODGE RAM 1500. I HAVE BEEN NOTICING A PROBLEM WITH A VIBRATION AND A RUBBING SOUND WHEN THE VEHICLE IS UNDER 40 MPH. I HAVE TAKEN BACK TO THE DEALER 2 OR 3 TIMES AND THEY FIRST SAID THE TIRE ON THE PASSENGER SIDE WAS CUPPING AND SEPARATING AND WAS NOT COVERED UNDER WARRANTY. I TOOK THE VEHICLE TO A GOODYEAR…

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I PURCHASE A 2012 DODGE RAM 1500. I HAVE BEEN NOTICING A PROBLEM WITH A VIBRATION AND A RUBBING SOUND WHEN THE VEHICLE IS UNDER 40 MPH. I HAVE TAKEN BACK TO THE DEALER 2 OR 3 TIMES AND THEY FIRST SAID THE TIRE ON THE PASSENGER SIDE WAS CUPPING AND SEPARATING AND WAS NOT COVERED UNDER WARRANTY. I TOOK THE VEHICLE TO A GOODYEAR DEALER (THE TIRES ARE GOODYEAR). THEY DIDN'T FIND ANY PROBLEM WITH THE TIRES AND ROTATE THE TIRES. ALL FOUR TIRES ARE WORN IN MIDDLE TREAD. SO, I KNOW SOMETHING IS NOT RIGHT. I TOOK THE VEHICLE BACK. THE SERVICE MANAGER SAID THAT THEY COULDN'T FIND ANYTHING WRONG WITH THE TRUCK. HE DID SAY THAT BECAUSE IT HAD A HEMI THAT'S WHAT SOME OF THE TRUCKS DID AND THAT THERE WAS ONE COMPLAIN WITH THE SAME PROBLEM AND THAT PERSON TRADED THE TRUCK IN. NOW I KNOW THAT IS NOT TRUE ABOUT THE HEMI'S...I DON'T FEEL SAFE IN THESE VEHICLE AND THE STORE MANAGER WILL NOT RETURN MY CALLS. I HAVE PAID A LOT FOR THIS TRUCK AND DON'T FEEL LIKE IM RECEIVING THE PROPER CUSTOMER CARE. I DON'T FEEL COMFORTABLE DRIVING THIS VEHICLE BUT IT'S MY ONLY TRANSPORTATION TO AND FROM WORK. I HAD TO CALL THE DODGE CUSTOMER SERVICE DEPT TO HAVE THEM CALL AND TALK TO THEM FOR THEM TO MAKE ANOTHER APPOINTMENT TO CHECK THE TRUCK AGAIN BECAUSE THEY WOULD NOT RETURN MY CALLS. *TR

NHTSA ODI #10564078

4,000 miles · Jun 25, 2013
Power TrainSuspension

TL* THE CONTACT OWNS A 2012 DODGE RAM 1500. THE CONTACT STATED THAT WHILE DRIVING 10 MPH, THE REAR PASSENGER SIDE TIRE BUCKLED AND FOLDED UNDER THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THE AXLE, COIL SPRINGS, BRAKE CALIPER, RIM, BRAKE LINE, SPLASH SHIELD, AND THE HUB WOULD A…

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TL* THE CONTACT OWNS A 2012 DODGE RAM 1500. THE CONTACT STATED THAT WHILE DRIVING 10 MPH, THE REAR PASSENGER SIDE TIRE BUCKLED AND FOLDED UNDER THE VEHICLE. THE VEHICLE WAS TOWED TO A DEALER FOR DIAGNOSIS AND THE CONTACT WAS INFORMED THAT THE AXLE, COIL SPRINGS, BRAKE CALIPER, RIM, BRAKE LINE, SPLASH SHIELD, AND THE HUB WOULD ALL NEED TO BE REPLACED. THE VEHICLE WAS REPAIRED. THE CONTACT STATED THAT THE VEHICLE WOULD SIT LOWER TO THE GROUND ON THE PASSENGER'S SIDE AND APPEARED TO DRIVE AT AN ANGLE. THE MANUFACTURER WAS NOTIFIED OF THE FAILURE. THE VEHICLE HAD NOT BEEN FURTHER REPAIRED. THE FAILURE AND CURRENT MILEAGE WAS 4,000.

NHTSA ODI #10521736

4,000 miles · Jun 18, 2013
Suspension

TL* THE CONTACT OWNS A 2012 DODGE RAM 1500. THE CONTACT STATED THAT THE PASSENGER'S SIDE OF THE VEHICLE WAS TWO INCHES LOWER THAN THE DRIVER'S SIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTICS; HOWEVER THE CAUSE OF FAILURE WAS NOT DETERMINED. THE FAILURE WAS REPORTED TO THE MANUFACTURER, WHO STATED THE VEH…

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TL* THE CONTACT OWNS A 2012 DODGE RAM 1500. THE CONTACT STATED THAT THE PASSENGER'S SIDE OF THE VEHICLE WAS TWO INCHES LOWER THAN THE DRIVER'S SIDE OF THE VEHICLE. THE VEHICLE WAS TAKEN TO THE DEALER FOR DIAGNOSTICS; HOWEVER THE CAUSE OF FAILURE WAS NOT DETERMINED. THE FAILURE WAS REPORTED TO THE MANUFACTURER, WHO STATED THE VEHICLE WAS WITHIN SPECIFICATIONS. THE FAILURE MILEAGE WAS 4,000. THE CURRENT MILEAGE WAS 6,000. UPDATED 09-18-13 *BF THE RIGHT REAR SHOCK WAS REPLACED.

NHTSA ODI #10520536

4,000 miles · Jul 12, 2012
Suspension

AT 4000 MILES I NOTICED A "POPPING" NOISE FROM THE DRIVERSIDE SUSPENSION. AT 8000 MILES THE NOISE WAS MUCH WORSE EVERY TIME I DRIVE OVER ROAD CRACKS, JOINTS, BUMPS ETC... IT WAS MORE SEVERE. I TOOK IT TO THE LOCAL DEALERSHIP TO FIND OUT I HAVE A DEFECTIVE SHOCK. IT HAS BEEN 10 DAYS SINCE I TOOK MY TRUCK INTO THE SHOP. I HAVE CAL…

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AT 4000 MILES I NOTICED A "POPPING" NOISE FROM THE DRIVERSIDE SUSPENSION. AT 8000 MILES THE NOISE WAS MUCH WORSE EVERY TIME I DRIVE OVER ROAD CRACKS, JOINTS, BUMPS ETC... IT WAS MORE SEVERE. I TOOK IT TO THE LOCAL DEALERSHIP TO FIND OUT I HAVE A DEFECTIVE SHOCK. IT HAS BEEN 10 DAYS SINCE I TOOK MY TRUCK INTO THE SHOP. I HAVE CALLED CHRYSLER AND THE DEALERSHIP MULTIPLE TIMES AND IT APPEARS THE SHOCK IS ON BACK ORDER WITH NO DELIVERY DATE INSIGHT. AS A CONSUMER I AM CONCERNED THAT THERE IS NO FIX, NO AFTERMARKET REPLACEMENT. WHEN I WAS AT THE DEALERSHIP ON THE 2ND OF JULY THEY SAID I WAS THE FIRST ONE ON BACK ORDER. THERE IS NOW OVER 1600 ON BACK ORDER. SOMEONE NEEDS TO LOOK INTO THIS MATTER. I AM FRUSTRATED THAT I AM PAYING 700.00 MO FOR A TRUCK I CANNOT DRIVE DUE TO A LACK OF PARTS. NOT TO MENTION CHRYSLER HAS THE WORST CUSTOMER SERVICE I HAVE EVER HAD A BUSINESS DEALING WITH. NEVER AGAIN CHRYSLER! *TR

NHTSA ODI #10465466

Official recalls

6

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.

17V824000 · Equipment

Dec 21, 2017

Chrysler (FCA US LLC) is recalling various Dodge, Chrysler, and RAM vehicles equipped with Kidde Plastic-Handle or Push Button 'Pindicator' Fire Extinguishers. A list of the affected trailer models is available at: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17V824-0103.pdf. These extinguishers may become clogged, preventing the extinguisher from discharging as expected or requiring excessive force to activate the extinguisher. Additionally, in certain models, the nozzle may detach from the valve assembly with enough force that it could cause injury and also render the product inoperable. For a full list of the affected fire extinguisher models visit: https://static.nhtsa.gov/odi/rcl/2017/RMISC-17E062-5427.pdf

Consequence & remedy

Consequence: If the fire extinguisher does not function properly, it can increase the risk of injury in the event of a fire.

Remedy: Chrysler will notify owners instructing them to contact Kidde for a replacement fire extinguisher, free of charge. The recall began February 14, 2018. Owners may contact Chrysler customer service at 1-800-853-1403 or Kidde customer service service toll-free at 1-855-262-3540, or online at www.kidde.com and click on "Product Safety Recall" for more information. Chrysler's number for this recall is T82.

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.

15V459000 · Air Bags:frontal

Jul 22, 2015

Chrysler (FCA US LLC) is recalling certain model year 2012-2014 Ram 1500, 2500, 3500, 4500, and 5500 trucks manufactured January 18, 2011, to October 7, 2014, and equipped with the Electronic Vehicle Information Center option. The affected vehicles have a steering wheel wiring harness that may rub against the driver air bag module retainer spring.

Consequence & remedy

Consequence: This abrasion may result in an electrical short that could cause driver's frontal air bag to unexpectedly deploy. Inadvertent deployment of the air bag may increase the risk of injury and the possibility of a vehicle crash.

Remedy: Chrysler will notify owners, and dealers will inspect, repair as necessary, and secure the steering wheel wiring harness. Additionally, protective caps will be added to the air bag retainer spring ends. These repairs will be done free of charge. The recall began on September 18, 2015. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is R36.

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.

12V192000 · Equipment:other:labels

May 2, 2012

CHRYSLER IS RECALLING CERTAIN MODEL YEAR 2012 RAM 1500 TRUCKS, MANUFACTURED FROM JANUARY 5, 2012 THROUGH JANUARY 6, 2012. THE AFFECTED VEHICLES HAVE A SPARE TIRE THAT DOES NOT MATCH THE SPECIFICATIONS LISTED ON THE TIRE PLACARD. THUS, THESE VEHICLES FAIL TO COMPLY WITH THE REQUIREMENTS OF FEDERAL MOTOR VEHICLE SAFETY STANDARD NO. 110, “TIRE SELECTION AND RIMS.”

Consequence & remedy

Consequence: IF INSTALLED, THE INCORRECTLY SIZED SPARE TIRE MAY UNEXPECTEDLY ACTIVATE THE ELECTRONIC STABILITY CONTROL (ESC) SYSTEM, ALTERING THE EFFECTIVENESS OF THE ESC SYSTEM, INCREASING THE RISK OF A CRASH.

Remedy: CHRYSLER WILL NOTIFY OWNERS, AND DEALERS WILL INSPECT AND REPAIR VEHICLES AS NECCESSARY FREE OF CHARGE. THE SAFETY RECALL BEGAN ON MAY 21, 2012. OWNERS SHOULD 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.