2025 Jeep Grand Cherokee engine problems

Filed Nov 9, 2026 · Electrical, Engine · WV

I am filing a formal safety defect complaint regarding an acute, uncommanded deceleration event caused by an unintended Auto Start-Stop system engagement and electrical failure at highway speeds in my 2025 Jeep Cherokee (~22,000 miles). Incident Description: On XXX, while traveling westbound on [XXX] toward [XXX], at approximately 75 mph in normal highway traffic, the vehicle's Auto Start-Stop feature engaged unexpectedly and automatically while in motion. Simultaneously, the instrument cluster flashed and experienced a partial blackout, failing to display the vehicle's speed (MPH) and engine RPMs. This malfunction triggered immediate, uncommanded engine braking / rapid deceleration, dropping the vehicle's speed from 75 mph down to approximately 40 mph within seconds, without any brake pedal application. Risk Assessment & Recovery: After several seconds, the instrument cluster rebooted to normal operation, throttle response returned, and the cluster indicated that the Auto Start-Stop feature was active. I immediately deactivated the system manually via the center dash control to prevent recurrence. While light traffic on [XXX] prevented a rear-end collision, this sudden, uncommanded 35-mph drop in speed presents a severe hazard of high-speed rear-end impact, loss of vehicle control, and chain-reaction collisions on congested freeways (such as nearbY XXX). Current Status: •The vehicle was delivered to Greenbrier Motor Company in [XXX], and checked in with Service Advisor [XXX]. •The dealership has taken custody of the vehicle for electrical/diagnostic evaluation and provided a loaner vehicle. •A corporate inquiry has also been initiated with Stellantis / Jeep Customer Care. This submission is made to ensure federal records document this hazardous powertrain/electrical failure mode for potential defect trend analysis. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Oct 19, 2026 · Brakes, Engine · FL

1).While driving the message shows up: Vehicle is not in park. Then the motor shuts off (at any speed). This happened several times (I was on my way to take my wife to chemo infusions)! This is very dangerous when driving and caused almost an accident on the highway!!! 2), When turning the motor on, the seat moves into the pre-set drivers position, then moves back again and then the motor shots off. The car can't be driven then for a few minutes.

Filed Oct 17, 2026 · Brakes, Electrical · FL

Suddden engine stalls/electrical shutdown while in motion, causing total loss of power steering and power Other incidents of while traveling at 65-70 mph on the interstate the vehicle suddenly suffered a power failure and dropped into a dangerously low gear at low speed. The engine wound up drastically, causing a severe spike in RPMs, but when pressing the gas pedal, the vehicle refused to move or increase speed.spedometer read 20 mph. I videoed this when it happened.

Filed Sep 16, 2026 · Electrical, Engine · OH

Car cut off while driving, again. Full dashboard started to flash, warnings, stated that there was no battery, no gas. I was stopped in traffic and managed to pull over and had restart the car. This is the second time that it has cut off while driving . The first time my toddler son was in the car in morning traffic and it cut off. This is an extreme safety hazard for myself, my family and others driving. The entire system failed. It was supposedly fixed before but the problem is still there.

Filed Aug 27, 2026 · Electrical, Engine · WI

Vehicle was unable to be shutdown and was locked in park. Can was not responding to turning off while in the garage and engine running. Since the vehicle was inside an attached garage, we were concerned about Carbon Monoxide getting into the house. No way to turn car off and had to involve police/fire department. Disconnected the battery terminal in the trunk which was unable to be opened, so we had to crawl through the side passenger door to get into the trunk. The vehicle is now at the dealer (Wilde Chrysler Dodge Jeep Ram, at [XXX] in [XXX]). No police report #, but CAD entry from officer in having to assist. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)

Filed Aug 2, 2026 · Driver assistance, Electrical · TX

The transmission fails constantly when we are accelerating - approxx 50-58 miles per hour the transmission freezes & the RMP's stay @ 4-5 thousand for 20-30 seconds - it fails to downshift. This is extremely dangerous at any time & can cause a major accident if the vehicle is stuck & you need to stop! We have have left the car several times for this issue & they keep telling us they cannot replicate the issue. (We are older & we are given looks like we are nuts)

Filed Jul 29, 2026 · Electrical, Engine · MN

This vehicle has now experienced three separate incidents of sudden loss of propulsion while traveling at highway speeds, requiring it to be towed to the dealership on all three occasions. Each incident involved the same dangerous defect, and after each repair I was assured, the vehicle had been repaired and was safe to operate. Despite those assurances, the identical defect has continued to recur. This is not simply a customer satisfaction issue; it is an ongoing safety issue that places my family and every motorist around us at significant for catastrophic event. On May 12, 2025, I took delivery of my 2025 Jeep Grand Cherokee High Altitude. On June 23, 2025, the vehicle experienced its first sudden loss of propulsion while traveling at highway speed and was towed to Ryan Auto Mall in Buffalo, Minnesota. On January 5, 2026, the identical defect occurred again. The vehicle once again lost propulsion while traveling at highway speed and was towed to the dealership. From January 5, 2026, through May 13, 2026, my vehicle remained at the dealership for approximately four and one-half months while Stellantis and its authorized dealer attempted to diagnose and repair the recurring defect. Following that extended repair process, I was advised that the vehicle had been repaired and that the issue had been resolved. Settlement Agreement: On May 13, 2026, I executed a Release Agreement with FCA US LLC. As part of the negotiated settlement, I was required to enter into a lease for a 2026 Jeep Grand Cherokee. The only reason I agreed to sign the Release Agreement and enter into the new lease was because I relied on Stellantis' representations that the 2025 Jeep had been successfully repaired and that the dangerous defect had been permanently corrected. Had I been informed that the vehicle remained susceptible to the same failure, I would never have agreed to retain the vehicle or execute the related lease agreement.

Filed Jul 28, 2026 · Engine, Transmission · CO

My 2025 Jeep Grand Cherokee 4xe suffered a catastrophic internal engine failure and set DTC P2338 ("Cylinder 3 Above Knock/Combustion Vibration Sensor Threshold"). Although my VIN is not included in Safety Recall 78C (the federal safety agency 25V‑766), my vehicle experienced the same failure mode, symptoms, and diagnostic code associated with the recall. Stellantis' STAR Center reviewed the case, confirmed internal engine damage, and recommended complete engine replacement. While driving at highway speed, the vehicle suddenly lost power and entered limp mode. I was able to safely exit the highway, but this defect created a serious safety risk and could have resulted in a crash. Stellantis has already expanded the recall population after identifying additional affected vehicles. My vehicle was built during the same production period, experienced the identical failure, and has a manufacturer-confirmed engine replacement recommendation. Chrysler's XC2 program provides unlimited years/unlimited mileage engine coverage for this defect, which is linked to engine manufacturing issues. Based on the identical failure characteristics and confirmed diagnosis, I believe my vehicle is affected by the same defect and should be included in Recall 78C and the associated XC2 warranty coverage. I am submitting this complaint to request that the federal safety agency investigate whether additional vehicles outside the current recall population are experiencing the same defect and whether Recall 78C should be expanded to include affected vehicles such as mine.

Filed Jul 23, 2026 · Electrical, Engine · MI

There is a serious malfunction between the hybrid and electric systems. The engine is making a loud noise, and neither the hybrid nor electric mode functions properly. In addition, the fuel and oil refresh warning remains on, even after refueling. These issues are ongoing and substantially impair the use, value, and safety of the vehicle.On January 2, 2026, and march 8 my Jeep Grand Cherokee 4xe shut down twice while I was driving home on the freeway. This vehicle is not safe to operate under these conditions.Despite these concerns, the issues have not been resolved. Stellantis has removed 4xe models from the Jeep website due to safety concerns, recalls, and a high volume of customer complaints. At this time, there appears to be no effective remedy, and a simple software update will not correct these defects.My vehicle continues to produce an extremely loud engine noise, even while operating in hybrid mode. I am very familiar with how a Jeep should perform—this is my fifth Jeep Grand Cherokee—and I have never experienced anything like this before. Even my previous gasolineonly models operated much more quietly. In contrast, both the hybrid and gas modes on this vehicle sound like a diesel truck. Additionally, the fuel and oil warning light remains on constantly. I have contacted Jeep Customer Care multiple times, as well as the servicing dealer, and I was repeatedly told to “add more gas and continue driving the vehicle.” Despite following those instructions, the issue persists. The warning light does not turn off, the engine remains excessively loud, and the fuel consumption is unreasonable. The situation worsens in cold weather. The battery drains rapidly from 100% without explanation, even when the vehicle has been properly charged. At this point, I am genuinely afraid to charge the vehicle and even more concerned about driving it.In addition, the vehicle feels sluggish while driving and frequently does not pick up power as it should. There is a noticeable delay

Filed Jun 2, 2026 · Engine · 3,600 miles · IL

The contact owns a 2025 Jeep Grand Cherokee. The contact stated that while driving at highway speeds the engine had suddenly revved very high and the RPMs had increased but the vehicle had failed to accelerate and began to reduce speed. The vehicle was driven to the shoulder and parked. After restarting the engine the vehicle operated as normal. The contact indicated that the failure had occurred on multiple occasions. The vehicle was taken to the local dealer who was unable the diagnosed a problem and no service was performed. The manufacturer was not yet contacted. The failure mileage was 3,600.