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2020 Jeep Wrangler

Owner reports · Recalls · Investigations

More warning signs than most Wrangler years

Owner complaints for the 2020 Jeep Wrangler are substantially higher than the model-year median of 265.

About this comparison →

When problems were reported

Mileage at the reported incident

214 reports with mileage · 395 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.

  • Steering. Review the 238 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Electrical System. Review the 178 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 54 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

16 crash reports12 fire reports6 injury reports

What owners actually said

609 reports
45,000 miles · Oct 5, 2022
Electrical SystemEngine

The contact owns a 2020 Jeep Wrangler. The contact stated that while driving at an undetermined speed, the vehicle stalled. While using the Stop/Start feature, the vehicle stalled while in drive. The vehicle was restarted. The contact stated that several unknown warning lights were illuminated. The vehicle was taken to the local…

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The contact owns a 2020 Jeep Wrangler. The contact stated that while driving at an undetermined speed, the vehicle stalled. While using the Stop/Start feature, the vehicle stalled while in drive. The vehicle was restarted. The contact stated that several unknown warning lights were illuminated. The vehicle was taken to the local dealer, who informed her that the battery would have potentially exploded if she had continued to drive the vehicle. The mechanic noticed that the battery was smoking. The vehicle was diagnosed and the contact was informed that the batteries needed to be replaced. The vehicle was not repaired. The manufacturer was notified about the failure but no additional assistance was provided. The failure mileage was approximately 45,000.

NHTSA ODI #11487949

Mileage unknown · Oct 4, 2022
Visibility/wiper

Both of the sun visors became loose and the driver side in particular will dangle down in front of windshield, blocking vision. This is a common defect on Wrangler JL/Gladiators that is the result of a design flaw in the retaining mechanism. This can happen without notice and while driving at any speed. For me it happened on int…

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Both of the sun visors became loose and the driver side in particular will dangle down in front of windshield, blocking vision. This is a common defect on Wrangler JL/Gladiators that is the result of a design flaw in the retaining mechanism. This can happen without notice and while driving at any speed. For me it happened on interstate that the visor fell down, blocking my view.

NHTSA ODI #11487833

15,000 miles · Oct 3, 2022
Air BagsCrashInjury

The contact’s daughter owned a 2020 Jeep Wrangler. The contact stated that while his daughter was driving at an unknown speed, another vehicle crashed into the front passenger’s side of the vehicle and another vehicle crashed into the front driver’s side of the vehicle, causing the vehicle to roll three times. The contact stated…

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The contact’s daughter owned a 2020 Jeep Wrangler. The contact stated that while his daughter was driving at an unknown speed, another vehicle crashed into the front passenger’s side of the vehicle and another vehicle crashed into the front driver’s side of the vehicle, causing the vehicle to roll three times. The contact stated that the air bags failed to deploy. As a result of the air bag’s failure to perform as needed, the passenger sustained injuries to the chest and head, and also had a seizure. The contact’s daughter sustained an injury to the head and punctured lungs. Medical attention was required. A police report was filed. The vehicle was towed to a tow yard and deemed a total loss by the insurance company. Neither the dealer nor the manufacturer was notified of the failure. The failure mileage was approximately 15,000.

NHTSA ODI #11487706

Mileage unknown · Oct 2, 2022
Electrical SystemFire

After stopping my Jeep on September 27th smoke was coming out of the engine immediately. There had been no warning lights on the dash or any smells from the engine. I got out and tried to open the hood and the engine was already fully engulfed in fire. Our Jeep had never had any engine trouble or been into the dealership except…

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After stopping my Jeep on September 27th smoke was coming out of the engine immediately. There had been no warning lights on the dash or any smells from the engine. I got out and tried to open the hood and the engine was already fully engulfed in fire. Our Jeep had never had any engine trouble or been into the dealership except to have the oil changed. Upon doing my own investigation I have seen many of these fires. Something is definitely wrong with this engine. I could have lost my life.

NHTSA ODI #11487538

Mileage unknown · Sep 30, 2022
Steering

I have had issues with the Steering Damper (?)/"Death Wobble" for months. I took it in to get fixed in Dec. 2021 and was told they couldn't replicate the problem to fix it. It happened twice the following day. It has been getting progressively worse causing uncontrollable steering and the jeep swaying all over the road. I've…

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I have had issues with the Steering Damper (?)/"Death Wobble" for months. I took it in to get fixed in Dec. 2021 and was told they couldn't replicate the problem to fix it. It happened twice the following day. It has been getting progressively worse causing uncontrollable steering and the jeep swaying all over the road. I've had to pull over, slow down or break just to prevent the Jeep from going off the road in an uncontrolled manner. I have now made a 2nd appt. to get this fixed.

NHTSA ODI #11487341

Mileage unknown · Sep 23, 2022
Power Train

While driving on the freeway at 75mph in 2wd the rear axle locker comes on by itself. You will press the button to disengage it and it will just blink. Sometimes it will release, but will turn back on by itself. This is not safe and left my vehicle in a compromising condition.

NHTSA ODI #11486012

Mileage unknown · Sep 20, 2022
Electrical System

I had been driving my car off and on throughout the day without incidence. I stopped by the the grocery store and went in for a very short amount of time. I came out and cranked my car, it cranked as normal. I drove out of the parking lot into traffic and the car just started going haywire then shut off. Lights were flashing ins…

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I had been driving my car off and on throughout the day without incidence. I stopped by the the grocery store and went in for a very short amount of time. I came out and cranked my car, it cranked as normal. I drove out of the parking lot into traffic and the car just started going haywire then shut off. Lights were flashing inside the car, the dash lights kept coming on and off, the wipers were moving even though they had not been on previously. I turned on my hazard lights and they would only illuminate in the front of the vehicle, but also intermittently. I had no means of warning other drivers, this occurred after dark. The car would not go into neutral so it could be pushed from the roadway. There were no warning lights to let me know anything was wrong. I had no indicators prior to this occurrence and was left completely stranded in traffic in the dark. I was told by the auto shop it was towed to that the issue was the auxiliary battery. This battery was causing a drain on the main battery and therefore shut down.

NHTSA ODI #11485394

Mileage unknown · Sep 15, 2022
Visibility/wiper

My driver's side sun visor does not stay in place while driving and pops out of its holder, even if the visor is folded up out of the way and not being used. When the visor pops out of place, it hangs by the wires for visor mirror lighting. I purchased my vehicle new Feb 2020, and my vehicle currently only has about 10,500 mil…

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My driver's side sun visor does not stay in place while driving and pops out of its holder, even if the visor is folded up out of the way and not being used. When the visor pops out of place, it hangs by the wires for visor mirror lighting. I purchased my vehicle new Feb 2020, and my vehicle currently only has about 10,500 miles. The visor began popping out of place around April/May 2022. The visor popping out of place is dangerous because 1) it happens WHILE driving, especially over rough roads, and this obscures my view of the road (!!!), 2) it has happened multiple times, unpredictably, and 3) I cannot use the visor to block out bright light while driving because it falls out if I fold down the visor, which makes it difficult to drive comfortably around sunrise or sunset. On August 15th, 2022 went to the dealer where I purchased the vehicle (Autonation Jeep Bellevue in Washington state) to get this problem looked at as my vehicle is still under warranty. The service center confirmed the problem, as mentioned in the invoice, and they mentioned they would have to replace the entire sun visor assembly. However, I have not heard back from the dealer concerning replacement as likely the parts are on back order. The pictures I provided are for the visor popped out showing the visor popped out of place when it was supposed to be in the folded up, out of the way position, and the folded down position as well as the hinge that seems to pop out of place. According to different forums of owners of Wrangler JL like mine, visors popping out of place are frequent problems, and replacing the visor with the same visor assembly only temporarily fixes the problem because replacement does nothing about the bad design that leads to the visor falling out of place.

NHTSA ODI #11484608

Mileage unknown · Sep 12, 2022
Visibility/wiper

I was driving during the night and suddenly the driver sun visor fell apart I was driving on the freeway the windshield on jeeps is little plus the visor on the way was kind of dangerous I had to hold it whit my hand to be able to make it home now I'm just wondering if the dealer is going to cover the repair costs and put someth…

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I was driving during the night and suddenly the driver sun visor fell apart I was driving on the freeway the windshield on jeeps is little plus the visor on the way was kind of dangerous I had to hold it whit my hand to be able to make it home now I'm just wondering if the dealer is going to cover the repair costs and put something better on place it really is a safety issue that needs to be fixed some how

NHTSA ODI #11483951

Mileage unknown · Sep 2, 2022
Power Train

Clutch pedal intermittently sticks when pressed to the floor. If you press and hold the clutch to the floor and release it slowly you can feel it bind up. 3 things normally happen. #1. It will stick to the floor #2. It will stick for a short time and as you raise your foot, the pedal will hit the bottom of your foot, jerking the…

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Clutch pedal intermittently sticks when pressed to the floor. If you press and hold the clutch to the floor and release it slowly you can feel it bind up. 3 things normally happen. #1. It will stick to the floor #2. It will stick for a short time and as you raise your foot, the pedal will hit the bottom of your foot, jerking the jeep forward. #3 it does release as normal. I have taken the Jeep to the dealer last year 8/21 and they couldn't replicate the issue. However they reported a leaky hose that they replaced. I couldn't identify any hoses that were newly replaced. It has gotten progressively worse and now I can replicate the issue after a few attempts. When at a complete stop pointing uphill there is a risk of rolling back into another vehicle if the clutch doesnt engage. Transitioning from a complete stop to moving forward is not very smooth if the clutch pops up on its own. Sometimes it ends up in the engine stopping and having to restart the vehicle. The Jeep is available for inspection. I have tried to schedule another repair but waiting for a response from the Dealer. The Jeep has other recalls for the clutch and I believe all recalls have been applied to the vehicle. I have an email that I sent to the dealer with photos that I sent to the dealer when I first noticed this issue. I can also try to find the invoice from last year.

NHTSA ODI #11482603

Official recalls

12

25V741000 · Electrical System:propulsion System:traction Battery

Oct 30, 2025

Chrysler (FCA US, LLC) is recalling certain 2020-2025 Jeep Wrangler 4Xe and 2022-2026 Grand Cherokee 4Xe vehicles. The high voltage battery may fail internally and lead to a vehicle fire while parked or driving.

Consequence & remedy

Consequence: A vehicle fire can increase the risk of injury.

Remedy: Owners are advised to park outside and away from structures and not to charge their vehicles until the remedy is completed. Dealers will update the high voltage battery software, and replace the high voltage battery, as necessary, free of charge. Some owner notification letters were mailed beginning December 17, 2025. The remaining owner notification letters will be mailed at a later date. Owners may contact Chrysler customer service at 800-853-1403. Chrysler's number for this recall is 68C. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 6, 2025. Vehicles that were previously recalled for the same issue under NHTSA Recalls 24V720 and 23V787 will need to have the new remedy performed.

24V676000 · Back Over Prevention: Sensing System: Camera; Exterior Lighting:brake Lights

Sep 12, 2024

Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence & remedy

Consequence: A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.

Remedy: Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.

Additional source detail variants (2)

Back Over Prevention: Sensing System: Camera

Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence: A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.

Remedy: Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.

Exterior Lighting:brake Lights

Chrysler (FCA US, LLC) is recalling certain 2018-2024 Jeep Wrangler vehicles. The wiring harness for the rearview camera and the center brake light may short circuit, which can disable the rearview camera image and center brake light. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard numbers 111, "Rear Visibility" and 108, "Lamps, Reflective Devices, and Associated Equipment."

Consequence: A rearview camera image that does not display decreases the driver's visibility, increasing the risk of a crash. Additionally, a center brake light that fails to illuminate can fail to indicate to other drivers that the vehicle is slowing down, increasing the risk of a crash.

Remedy: Dealers replaced the harness for the center brake light and rearview camera and/or the spare tire carrier/harness assembly, as necessary, free of charge. All vehicles were repaired by January 15, 2024. Owner notification letters were mailed September 26, 2024. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 77B.

24V652000 · Electrical System: Instrument Cluster/panel

Sep 5, 2024

Chrysler (FCA US, LLC) is recalling certain 2020-2024 Jeep Gladiator and 2018-2024 Jeep Wrangler vehicles. The instrument panel cluster may experience an internal short circuit and fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 101, "Controls and Displays."

Consequence & remedy

Consequence: An instrument panel that fails to display critical safety information, such as the speedometer or warning lights, can increase the risk of a crash.

Remedy: Dealers will replace the instrument panel cluster, free of charge. Owner notification letters were mailed between October 3, 2024, and January 23, 2025. Owners may contact FCA customer service at 1-800-853-1403. FCA's number for this recall is 30B.

23V191000 · Structure:frame And Members

Mar 23, 2023

Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler vehicles. A stud on the frame assembly may puncture the fuel tank in a crash, which can result in a fuel leak.

Consequence & remedy

Consequence: A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy: Dealers will inspect and, if necessary, remove the frame stud and apply paint, free of charge. Owner notification letters were mailed April 6, 2023. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA US, LLC's number for this recall is 28A.

23V116000 · Power Train:clutch Assembly

Feb 23, 2023

Chrysler (FCA US, LLC) is recalling certain 2018-2023 Jeep Wrangler, and 2020-2023 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

Consequence & remedy

Consequence: Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.

Remedy: Dealers will replace the clutch assembly and update the software, free of charge. Owner notification letters were mailed from November 16, 2023 through July 25, 2024. Owners may contact (FCA US, LLC) customer service at 1-800-853-1403. FCA US LLC's number for this recall is 19A. This recall expands and replaces previous recall 21V-028. Vehicles previously repaired under recall 21V-028 will need to have the new remedy completed.

22V767000 · Engine; Fuel System, Gasoline:delivery:fuel Pump

Oct 13, 2022

Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.

Consequence & remedy

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

Remedy: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.

Additional source detail variants (2)

Engine

Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.

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

Remedy: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.

Fuel System, Gasoline:delivery:fuel Pump

Chrysler (FCA US, LLC) is recalling certain 2020-2022 Jeep Wrangler, Ram 1500, and 2021-2022 Jeep Gladiator vehicles equipped with 3.0L diesel engines. The high pressure fuel pump (HPFP) may fail, causing an engine stall.

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

Remedy: Dealers will replace the HPFP and inspect and replace additional fuel system components, as necessary, free of charge. Owner notification letters were mailed October 17, 2023. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is Z96.

22V638000 · Back Over Prevention:display Function

Aug 25, 2022

Chrysler (FCA US, LLC) is recalling certain 2020-2021 Jeep Wrangler, RAM 1500 and 2021 Jeep Gladiator vehicles. A radio software error may prevent the rearview image from displaying. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."

Consequence & remedy

Consequence: A rearview camera that does not display an image reduces the driver's rear view, increasing the risk of a crash.

Remedy: Dealers will update the radio software, free of charge. Owner notification letters were mailed October 6, 2022. Owners may contact FCA US, LLC customer service at 1-800-853-1403. FCA, LLC's number for this recall is Z86.

21V665000 · Fuel System, Gasoline:delivery:hoses, Lines/piping, And Fittings

Aug 26, 2021

Chrysler (FCA US, LLC) is recalling certain 2020 Jeep Wrangler vehicles equipped with the 2.0 Liter engine. A cracked fuel supply line connector may leak fuel into the engine compartment.

Consequence & remedy

Consequence: A fuel leak in the presence of an ignition source increases the risk of fire.

Remedy: Dealers will inspect and replace the fuel supply line as needed, free of charge. Owner notification letters were mailed on September 10, 2021. Owners may contact FCA US LLC customer service at 1-800-853-140. FCA US LLC's number for this recall is Y10.

21V028000 · Power Train:clutch Assembly

Jan 28, 2021

Chrysler (FCA US, LLC) is recalling certain 2018-2021 Jeep Wrangler and 2020-2021 Jeep Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

Consequence & remedy

Consequence: Overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.

Remedy: FCA US LLC will notify owners, and dealers will add software to reduce engine torque capability when clutch assembly temperatures rise to a level that may damage the inner pressure plate, free of charge." FCA has ordered a stop sale for the affected vehicles as of February 25, 2021. Owner notification letters were mailed on March 4, 2021.

20V191000 · Back Over Prevention: Sensing System: Camera

Sep 10, 2020

Chrysler (FCA US LLC) is recalling certain 2020 Jeep Gladiator and Jeep Cherokee, 2019-2020 Ram 1500 Pickup, Ram 2500 Pickup, Ram 3500 Pickup, Chrysler Pacifica, Dodge Durango, Jeep Grand Cherokee, Jeep Wrangler, and Jeep Renegade and 2019 Dodge Challenger vehicles equipped with 8.4" or 12" radio displays. A software error can cause the rearview camera image to remain displayed after the vehicle has been shifted out of reverse. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rearview Mirrors."

Consequence & remedy

Consequence: The lingering rearview image can distract the driver, increasing the risk of a crash.

Remedy: Chrysler has notified owners, and dealers will update the radio display software, free of charge. Optionally, owners can choose to remotely update their software via an Over-The-Air (OTA) update available as of May 1, 2020. The recall began April 27, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W30-W37.

20V124000 · Power Train:clutch Assembly

Mar 3, 2020

Chrysler (FCA US LLC) is recalling certain 2018-2020 Jeep Wrangler and 2020 Gladiator vehicles equipped with manual transmissions. The clutch pressure plate may overheat and fracture.

Consequence & remedy

Consequence: The overheated clutch components may increase the risk of a fire. Additionally, damage to other nearby components can result in debris falling onto the road or a loss of drive, increasing the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will reroute a wire harness and inspect the clutch system, and replace components as needed. The recall began April 30, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W12.

20V042000 · Suspension:front:control Arm:lower Arm

Jan 24, 2020

Chrysler (FCA US LLC) is recalling certain 2020 Jeep Wrangler vehicles. The left side lower control arm bracket and weld may not be correctly positioned.

Consequence & remedy

Consequence: The improper weld may allow the lower control arm to separate from the axle which can increase the risk of a crash.

Remedy: Chrysler will notify owners, and dealers will inspect the front axles, replacing them as necessary, free of charge. The recall began February 27, 2020. Owners may contact Chrysler customer service at 1-800-853-1403. Chrysler's number for this recall is W01.

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

2

PE25014 · Instrument Panel Cluster (ipc) Failure

Opened Oct 23, 2025 · No close date supplied

Status: open (inferred from source dates) · Electrical System: Instrument Cluster/panel

The Office of Defects Investigations (ODI) is opening a Preliminary Evaluation on 2020 Model Year Jeep Gladiators and Wranglers involving a malfunctioning Instrument Panel Clusters (IPC) resulting in the loss of important vehicle metrics and other status information.  ODI has received 89 Vehicle Owner Questionnaires (VOQs) alleging a complete or partial loss of the IPC display while driving.  The subject vehicles' IPC display includes the speedometer, fuel gauge, engine temperature, turn signal indicators, warning light, and other gauges that are normally illuminated while the vehicle is in operation.  Loss of the fuel gauge while driving may lead to an inability to determine the fuel level and result in a loss of motive power, and the loss of other safety-related information may impede a driver’s ability to take action to prevent a safety risk.  Furthermore, an IPC that is suddenly not visible to the driver may divert the driver’s attention from the driving task, potentially causing a vehicle crash. ODI is opening this Preliminary Evaluation to evaluate the scope, severity and frequency of the alleged IPC malfunctions and to assess potential safety-related consequences. To review the ODI reports cited in the Opening Resume ODI Report Identification Number document, go to NHTSA.gov

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

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