Electrical System. Review the 159 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
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Steering. Review the 86 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

25 crash reports8 fire reports14 injury reports

Engine complaints

110 reports

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Mileage unknown · Mar 17, 2023

EngineFuel/propulsion SystemVehicle Speed Control

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The problem is with the whole DEF System in the truck. for the last 6 months I can't go a week or less without getting some kind of code. Every time it effects the electronic throttle control and the truck goes into limp mode, I can be going 70 mph and it drops down to 30-40 mph no matter where I am at. I have almost been rear ended several times. I fix that code and a week later another code pops up and we do it all over again. I think I may have gone 2 weeks without a problem in the last 6 months. This time it is the DPF and DEF system, and here we go back into limp mode. I have had it to the dealer last week for issues which they couldn't figure out but thought that reprogramming would fix. So I leave to go out of state to work and here we go again less than 100 miles from home. Exhaust filter is full with no regen for over 400 miles. Now I'm stuck out of state with this problem. I think this really needs to be addressed because after all of my research this seems to be a normal problem.

NHTSA ODI #11512417

Mileage unknown · Feb 28, 2023

Engine

Exhaust manifold leak

NHTSA ODI #11509581

Mileage unknown · Feb 7, 2023

Electrical SystemEnginePower Train

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The active grill shutters and related wiring components are defective. The check engine light came on around 52000 and issued a code for U11E9- “replace active grill shutter.” I replaced it with a brand new part and the CEL remains on. Further investigation into similar instances in online forums suggest problems with the design of the wiring harness and pigtail that connects to the PCM. Many other consumers have reported this problem and were unable to resolve using the associated code, requiring further, expensive electrical repairs.

NHTSA ODI #11506096

Mileage unknown · Jan 25, 2023

EngineFuel/propulsion System

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This vehicle experienced a Diesel EGR Cooler failure, for which there is an open recall by FCA under VB1/NHTSA 19V-757. Repairs were completed at the shop where it had been taken for diagnostics, and subsequently I submitted a reimbursement request to FCA following all guidelines and submitting all documents requested. However, FCA is refusing to honor the recall reimbursement request. They state their reasons below: 1) Vehicle is out of warranty. (Warranty status should have no bearing on a recall repair) 2) Parts replaced are not covered under the recall. (Parts replaced were specifically covered under recall VB1) 3) Repairs were not completed at a dealership. (The reimbursement process was created specifically for repairs completed at other repair centers) The above reasons stated by FCA are not valid, but FCA continues to deny reimbursement. FCA should honor their recall repair commitment and process. This incident leads me to believe FCA is actively engaged in falsely denying reimbursements to customers and their compliance with NHTSA recall oversight should be investigated.

NHTSA ODI #11503680

Mileage unknown · Nov 15, 2022

Engine

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The engine seized, lost power and braking control while traveling on the freeway at approximately 70 mph during morning rush hour traffic. I had to merge into the ditch and ride it to a stop to avoid collisions on a busy freeway. Immediately called a tow truck to tow the vehicle to the dodge dealership closest to me to assess the problem. During the assessment the mechanic noted a seized motor due to the timing chain skiping and adjusting when the valve opens and closes, thus sending a valve through a piston and destoying the engine. Dodge has known about this issue with the 3.0 ecodiesel and all that they suggest is to sell it and buy a different truck. There are plenty of testimonials found if searched for, some that did not have as safe of an ending as i. The only warning light that was displayed was the 'check engine' light for the recall of the high pressure fuel pump. Thus truck has been scheduled for moths to have the recall replaced. The part is not available, I was ensured it was safe to drive until the part was available. I even called crystler ram to request the part, and they stated this part is not available at the time.

NHTSA ODI #11493728

Mileage unknown · Sep 21, 2022

Engine

Exhaust manifold bolt issue causing exhaust leak. This is a known issue for these engines and Ram will do nothing about the problem. In most areas an exhaust leak because of their defect will cause non inspection pass.

NHTSA ODI #11485731

Mileage unknown · Aug 11, 2022

EnginePower Train

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The magnetic material on the tone wheel delaminated causing the engine to stall and not restart. Incident was on the curve of a busy mountain road. The failed part was kept by dealer Jacky Jones Ram in Hayesville, NC. There were no prior warnings to the failure. This same failure is described in recall 20V-475 but my vehicle VIN is not included. There are several other occurrences in online forums of the same problem occuring on vehicles that are also outside of the recall VINs. The recall should be expanded to also include at least the vehicles that actually have the problem.

NHTSA ODI #11478732

Mileage unknown · Apr 1, 2022

EnginePower TrainUnknown Or Other

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I was driving my 2018 RAM at night when it suddenly started to smoke. I had to stop in the middle of the road to find coolant had splattered on part of the engine and was leaking. Upon further inspection this morning I found there is a missing bolt on the radiator and it is cracked and a hose apparently burst. Called the dealership and states this is not covered by the warranty since I’m on my 4th year and the type of part that it is, however, the only people to have ever worked on this vehicle have been the dealership and they have never had to do any repairs on the car, only regular oil changes and a warranty repair to my Uconnect screen that was faulty. There is no reason why this would have happened other thanks faulty parts. Upon investigating further I found that 2018 Rams with Ecodiesel engine(I have a gas engine) have a recall for the same issue and many people are having issues getting repair issues due to parts. I have also found other people with gas engines with similar issues. I’d like to have some resolution with the manufacturer do they may cover their issue, not have to pay out of pocket for this.

NHTSA ODI #11459216

50,000 miles · Mar 4, 2022

Engine

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The contact owns a 2018 Ram 1500. The contact stated that while driving at approximately 55 MPH, there was an abnormal noise coming from the vehicle. The low oil pressure warning light was illuminated. The contact stated that after turning off the vehicle, the vehicle was unable to be restarted. The vehicle was towed to an independent dealer, where it was diagnosed that the bearing on the crankshaft was loose and causing damage to the engine. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 50,000.

NHTSA ODI #11455195

Mileage unknown · Feb 28, 2022

Engine

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while driving on the highway with cruise control engaged at 60 mph there was a loud clunk sound and the truck immediately decelerated. The cruise control had disengaged and the truck seemed to go into limp home mode and the check engine light came on. I pulled to the side of the road and shut the engine off. I looked under the truck to see if I had run over something and checked the drive line for damage but found none. Restarting the engine took considerably more crank time than normal. While driving home the truck would not accelerate normally and top speed uphill was 19-23 mph depending on the climb with rpm around 3000 before what felt like fuel cut off and immediate deceleration until rpm was dropped to around 2000. The 5 hour trip home turned into an 8 hour trip. The check engine DTC is P0336 (crank position sensor A circuit range/performance). There is a recall W58 (20V475000) for software update for loss of crankshaft position sensor signal. This update substitutes the camshaft position sensor signal for the lost crankshaft signal. There is a known defect with the tone ring on the 3.0 eco diesel. The magnetic material on the tone ring delaminates. The software update does not fix the loss of crankshaft signal. The engine now has excessive crank time before starting. There is an a noticeable aceleration lag and the truck struggles on uphill grades. The cruise control is now inoperable with the crank signal DTC is permanent until the tone ring is replaced. My repair shop checked for parts avaiability and found dodge has 22,000 in stock which leads me to believe that they not only know about the problem but also know the only true fix is to replace the failed tone ring. The truck is unsafe to drive until the failed tone ring is replaced.

NHTSA ODI #11454554

Official recalls

25V592000 · Air Bags:side/window:curtain:inflator

Sep 11, 2025

Chrysler (FCA US, LLC) is recalling certain 2018 Ram 1500, Ram 2500, and Ram 3500 vehicles. The right and left side curtain air bag inflators may rupture due to a manufacturing defect.

Consequence & remedy

Consequence: An inflator rupture may result in sharp metal fragments striking occupants, resulting in injury.

Remedy: Dealers will replace one or both side curtain air bags, as necessary, free of charge. Owner notification letters were mailed September 25, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's numbers for this recall are 83C, 91C, and 92C. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning September 18, 2025.

25V010000 · Air Bags:side/window:curtain:inflator

Jan 16, 2025

Chrysler (FCA US, LLC) is recalling certain 2016-2019 Ram 3500, Ram 1500, 2016-2020 Ram 2500, and 2016 Ram 3500 Cab Chassis vehicles. The right and left side curtain air bag inflators may rupture due to a manufacturing defect.

Consequence & remedy

Consequence: An inflator rupture may result in sharp metal fragments striking occupants, resulting in injury.

Remedy: Dealers will replace one or both side curtain air bags, as necessary, free of charge. Owner notification letters were mailed February 13, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's numbers for this recall are 05C, 09C, and 10C.

23V411000 · Engine And Engine Cooling

Jun 8, 2023

Chrysler (FCA US, LLC) is recalling certain 2014-2019 Ram 1500 and 2014-2020 Jeep Grand Cherokee vehicles equipped with 3.0L Diesel engines. The crankshaft position sensor tone wheel may delaminate, causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.

Consequence & remedy

Consequence: An engine stall can increase the risk of a crash.

Remedy: Dealers will update the powertrain control module software to maintain vehicle propulsion, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed August 3, 2023. Some owner notification letters were mailed October 31, 2023. The remaining owner notification letters will be mailed at a future date, anticipated July 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 66A. This recall is an expansion of recall 20V-475.

22V406000 · Fuel System, Diesel:delivery:fuel Pump

Jun 9, 2022

Chrysler (FCA US, LLC) is recalling certain 2014-2020 Jeep Grand Cherokee, and 2014-2019 Ram 1500 vehicles equipped with 3.0L diesel engines. A high pressure fuel pump (HPFP) failure may introduce internal debris into the fuel system, potentially resulting in fuel starvation.

Consequence & remedy

Consequence: Fuel starvation may result in an unexpected loss of drive power, increasing the risk of a crash.

Remedy: Dealers will replace the HPFP, and inspect and replace, if necessary, additional fuel system components, free of charge. Interim notification letters informing owners of the safety risk were mailed July 21, 2022. Owner notification letters for were mailed for Jeep Grand Cherokee owners starting January 11, 2024. Owner notification letters for Ram 1500 owners were mailed March 7, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLS's number for this recall is Z46.

21V632000 · Air Bags:side/window:curtain; Air Bags:side/window:curtain:inflator

Aug 12, 2021

Chrysler (FCA US, LLC) is recalling certain 2015-2020 Ram 1500 Classic, 2015-2016 Ram 3500, and Ram 2500 vehicles, and 2016 Ram 3500 Cab Chassis with a gross vehicle weight rating less than 10,000 lbs. The side air bag inflatable curtain (SABIC) inflator end cap may detach from the inflator, or the inflator sidewall may rupture.

Consequence & remedy

Consequence: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

Remedy: Dealers will inspect and replace as necessary, the SABIC assemblies, free of charge. Interim owner notification letters were mailed on October 4, 2021. Owner notification letters were mailed on May 26, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y55.

Additional source detail variants (2)

Air Bags:side/window:curtain:inflator

Consequence: A separated inflator end cap or inflator rupture can allow compressed gas to escape, resulting in the end cap or other components being propelled into the vehicle, increasing the risk of injury or crash.

Remedy: Dealers will inspect and replace as necessary, the SABIC assemblies, free of charge. Interim owner notification letters were mailed on October 4, 2021. Owner notification letters were mailed on May 26, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is Y55.

Air Bags:side/window:curtain

20V475000 · Engine And Engine Cooling:engine:diesel

Aug 13, 2020

Chrysler (FCA US LLC) is recalling certain 2014-2018 Ram 1500 and 2014-2016 Jeep Grand Cherokee vehicles equipped with 3.0L diesel engines. The crankshaft position sensor tone wheel may delaminate causing the engine to lose its ability to synchronize the fuel injector pulses and cam shaft timing, possibly resulting in an engine stall.

Consequence & remedy

Consequence: An engine stall can increase the risk of a crash.

Remedy: FCA US will notify owners, and dealers will update the powertrain control module software to maintain vehicle propulsion by reading the camshaft position signal in the event that the crankshaft position signal is lost, free of charge. Owner notification letters were mailed on May 13, 2021. Owners may contact FCA US customer service at 1-800-853-2002. FCA US's number for this recall is W58.

19V757000 · Engine And Engine Cooling:exhaust System:emission Control:gas Recirculation Valve (egr Valve)

Oct 24, 2019

Chrysler (FCA US LLC) is recalling certain 2014-2019 Ram 1500 and 1500 Classic Pickup trucks equipped with 3.0L Eco Diesel engines. The Exhaust Gas Recirculation (EGR) cooler may crack and allow pre-heated vaporized coolant to enter the EGR system. This mixture may combust inside the intake manifold.

Consequence & remedy

Consequence: Combustion in the intake manifold can increase the risk of a fire.

Remedy: Chrysler will notify owners, and dealers will replace the EGR cooler, free of charge. Dealers will also inspect and, as necessary, replace the intake manifold. The recall began April 16, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is VB1.

19V347000 · Latches/locks/linkages:tailgate:latch

May 9, 2019

Chrysler (FCA US LLC) is recalling certain 2015-2017 Ram 1500, 2500 and 3500 pickup trucks equipped with an 8 foot bed and a power locking tailgate. Chrysler is also recalling all 2013-2014 and 2018 Ram 1500, 2500 and 3500 pickup trucks built before April 1, 2018 with a 6 or 8 foot bed and a power locking tailgate. On August 29, 2019 Chrysler expanded the recall to include an additional 693,128 model year 2013-2014 Ram 1500, 2500 and 3500 pickup trucks. The tailgate actuator limiter tab may fracture and cause the tailgate to unlatch and open while driving.

Consequence & remedy

Consequence: If the tailgate opens while the vehicle is being driven, cargo may fall out the vehicle and create a road hazard, increasing the risk of crash.

Remedy: Chrysler will notify owners, and dealers will repair the tailgate latch, free of charge. The recall began May 23, 2019. Chrysler is expected to notify owners of the expanded population on October 18, 2019. Owners may contact FCA US customer service at 1-800-853-1403. FCA US's number for this recall is V44. Note: 2015-2017 MY Ram 1500 pickup trucks with truck beds other than 8 foot, are currently covered under NHTSA recall 18V-486 for this issue.

19V324000 · Power Train:driveline:driveshaft

Apr 25, 2019

Chrysler (FCA US LLC) is recalling certain 2018-2019 Ram 1500 pickup trucks. The rear driveshaft may have an incomplete weld fusion between the tube and tube yoke, which may lead to weld cracking or the driveshaft fracturing.

Consequence & remedy

Consequence: A fractured rear driveshaft could detach from the vehicle and become a road hazard, or it may result in a loss of drive power, both of which can increase the risk of a crash.

Remedy: FCA US will notify owners, and dealers will replace the rear driveshaft, free of charge. The recall began June 13, 2019. Owners may contact FCA US customer service at 1-800-853-1403. The FCA US recall number is V48.

18V556000 · Power Train:axle Assembly

Aug 23, 2018

Chrysler (FCA US LLC) is recalling certain 2018-2019 RAM 1500 trucks. The rear differential may have been insufficiently filled, possibly resulting in its failure.

Consequence & remedy

Consequence: If the rear axle assembly fails, it can cause a loss of drive or the rear wheels may lock up. Either scenario increases the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will inspect the rear axle oil level. Rear axles with an insufficient amount of oil will be replaced, free of charge. The recall began September 26, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U88.

18V524000 · Electrical System:wiring:front Underhood

Aug 9, 2018

Chrysler (FCA US LLC) is recalling certain 2018 Jeep Renegade, Compass and Grand Cherokee, RAM 1500 and Promaster, Fiat 500x, Dodge Journey, Challenger, Charger and Durango and Chrysler 300x vehicles, 2017-2018 Jeep Wrangler, Dodge Grand Caravan and Chrysler Town and Country vehicles and 2018-2019 Jeep Cherokee and 2018 Chrysler Pacifica and Pacifica Hybrid vehicles. The powertrain control module may be equipped with a voltage regulator chip in the circuit board that may fail, causing a stall or a no start condition.

Consequence & remedy

Consequence: A vehicle stall can increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the powertrain control module, free of charge. The recall began October 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U87.

18V398000 · Back Over Prevention: Sensing System: Camera

Jun 14, 2018

Chrysler (FCA US LLC) is recalling certain 2018 Dodge Journey and RAM 1500, 2500, and 3500 vehicles. The backup camera may experience a loss of image display while backing up. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."

Consequence & remedy

Consequence: A loss of image in the rearview camera while backing up can increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will replace the rearview mirror, free of charge. The recall began August 2, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U56.

18V332000 · Electrical System:software; Electrical System:wiring; Vehicle Speed Control:cruise Control

May 17, 2018

Chrysler (FCA US LLC) is recalling certain 2014-2018 Dodge Journey, Charger and Durango, RAM 2500, 3500, 3500 Cab Chassis (more than 10,000lb), 4500 Cab Chassis and 5500 Cab Chassis, Jeep Cherokee and Grand Cherokee and Chrysler 300, 2014-2019 RAM 1500, 2015-2018 Dodge Challenger, 2015-2017 Chrysler 200, 2016-2018 RAM 3500 Cab Chassis (less than 10,000 lb), 2017-2018 Chrysler Pacifica and 2018 Jeep Wrangler vehicles. These vehicles are being recalled to address a defect that could prevent the cruise control system from disengaging. If, when using cruise control, there is a short circuit within the vehicle's wiring, the driver may not be able to shut off the cruise control either by depressing the brake pedal or manually turning the system off once it has been engaged, resulting in either the vehicle maintaining its current speed or possibly accelerating.

Consequence & remedy

Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.

Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.

Additional source detail variants (3)

Electrical System:software

Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.

Remedy: Chrysler will notify owners, and dealers will inspect the software, and perform a software flash on the engine or powertrain control module, free of charge. The recall began June 4, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Note: Owners are advised to stop using cruise control until the software update has been performed. In the event that cruise control cannot be disengaged while driving, owners should firmly and steadily apply the brakes and shift the transmission to neutral, placing the vehicle in park once it has stopped.

Vehicle Speed Control:cruise Control

Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.

Electrical System:wiring

Consequence: If the vehicle maintains its speed or accelerates despite attempts to deactivate the cruise control, there would be an increased risk of a crash.

18V280000 · Power Train:automatic Transmission

May 1, 2018

Chrysler (FCA US LLC) is recalling certain 2018 Dodge Charger, Durango and Challenger, Jeep Grand Cherokee and Wrangler, Chrysler 300, and RAM 1500 vehicles. An incorrect transmission park lock rod may have been installed in the transmission.

Consequence & remedy

Consequence: If the incorrect park lock rod is installed, the transmission may not shift into 'PARK' and keep the vehicle from moving, increasing the risk of unintended vehicle movement and the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will install the correct park lock rod, free of charge. The recall began June 28, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U43.

18V100000 · Power Train:automatic Transmission

Feb 8, 2018

Chrysler (FCA US LLC) is recalling certain 2017-2018 RAM 1500, 2500, 3500, 3500 Cab Chassis, 4500 Cab Chassis, and 5500 Cab Chassis vehicles, 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 Body Control Module software. Dealers will also test the BTSI operation, replacing the solenoid as necessary. The recall began February 26, 2018. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is U11.

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

RQ25003 · Post Recall Remedy Brake Transmission Shift Interlock (btsi) Failure

Opened Jul 3, 2025 · No close date supplied

Status: open (inferred from source dates) · Power Train:automatic Transmission; Power Train:automatic Transmission:gear Position Indication (prndl)

The Office of Defects Investigation (ODI) has received 14 Vehicle Owner Questionnaire (VOQ) reports and 6 EWR Death & Injury (D&I) reports describing post recall remedy failures of the brake transmission shift interlock (BTSI) system in certain Model Year (MY) 2013-2018 RAM pickup trucks.The subject vehicle models include 1500, 2500, 3500, 4500, and 5500 trucks equipped with a column mounted shift lever.The failures of the BTSI described in the VOQs occurred on vehicles that had all previously been repaired under recall 17V-821 or 18V-100.Both recalls address a potential condition which can cause the BTSI locking pin to become stuck allowing the transmission to be shifted out of Park without depressing the brake pedal and/or without having a key in the ignition.Shifting the transmission out of Park when not having the brake pedal depressed can result in a vehicle rollaway. ODI is opening this Recall Query (RQ) to review the effectiveness of the 17V-821 and 18V-100 recall remedies, understand the root cause of additional vehicle rollaway incidents, and identify any other possible root cause that may affect the performance of the BTSI system. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov.

Additional source detail variants (2)

Power Train:automatic Transmission

Power Train:automatic Transmission:gear Position Indication (prndl)

EA23001 · High Pressure Fuel Pump Failure

Opened Mar 17, 2023 · No close date supplied

Status: open (inferred from source dates) · Fuel System, Diesel:delivery:fuel Pump

The Office of Defects Investigation (ODI) opened PE21-021 on October 14, 2021, to investigate incidents alleging a stall/loss of motive power as a result of high-pressure fuel pump failures in certain model year (MY) 2019-2020 Ram 2500, 3500, 4500, and 5500 heavy duty trucks equipped with 6.7L Cummins turbodiesel engines. During the investigation, ODI sought to determine if the related defect allegation was limited in scope to the recalled population. After review of information request response materials from both FCA and BMW, NHTSA determined that sufficient information to identify a comprehensive recall population could not be produced by FCA and BMW.During the investigation FCA filed recalls 22V406, 22E048, 22V767, and 22E087 which include vehicles not identified in the initial subject population by ODI. ODI also received recall 21V586, involving loss of motive power due to failed CP4 fuel pumps on certain BMW manufactured vehicles. An information request letter response received from BMW indicated that failed pumps on their vehicles were caused by an interaction between pump internal components and US market diesel fuel, leading to increased slip and eventual particle-generating wear surface. Additional work will be done to identify whether a similar root cause is associated with the FCA recalled population and if similar wear dynamics occur on pumps supplied to vehicle manufacturers other than those included in the recalled population.ODI has upgraded this investigation to an EA in order to 1) determine engineering specifications of internal pump components that are correlated with pump failure leading to loss of motive power or other safety related hazards, 2) identify vehicle populations equipped with alleged defective pump variants, 3) assess if vehicles equipped with alleged defective pump variants result in an unreasonable risk to motor vehicle safety and 4) gather and review any other relevant information related to high pressure fuel pump failure associated with the subject populations of recalls 21V586, 21V880, 21E094, 22V406, 22E048, 22V767, and 22E087.Review of the above information will allow NHTSA to confirm root cause and recall remedy viability, and identify and evaluate vehicle populations equipped with pump components that may pose an unreasonable risk to motor vehicle safety.The ODI reports cited above can be reviewed at: http://www-odi.nhtsa.dot.gov/owners/SearchNHTSAID using the following complaint identification numbers: 11257550, 11351441, 11361603, 11361616, 11365300, 11365426, 11365858, 11366401, 11372337, 11373793, 11374797, 11376793, 11377871, 11378173, 11384377, 11386063, 11387018, 11399710, 11402550, 11415339, 11418868, 11418870, 11427075, 11434276, 11436807, 11437226, 11437249, 11437273, 11437292, 11437294, 11437394, 11437399, 11437403, 11437405, 11437423, 11437528, 11437565, 11437579, 11437580, 11437590, 11437679, 11437744, 11437781, 11437842, 11437993, 11438006, 11438008, 11438121, 11438138, 11438155, 11438392, 11438629, 11439359, 11439879, 11440397, 11443030, 11446542, 11448163, 11453556, 11458918, 11460558, 11469337