2025 Jeep Grand Cherokee Transmission and drivetrain Problems

“During a cross country trip we exited the highway and noticed a grinding sound from our new 2025 Jeep Grand Cherokee. We then limped to a near-by Jeep dealer who diagnosed a bad transmission. We feel very lucky this did not occur on the highway as a crash may have occurred due to the manufacturer defect. The transmission has been replaced after a delay of 35 days. The mileage at the time of the incident was 3,135.”

“I am unsure of what the complete issue is at this point. I have taken my car into two different dealerships multiple times and everybody keeps sending me back saying it’s running as it was designed. However, the things that’s experiencing it was not experiencing when I bought it, I would not have bought it And the list goes on. Has a random hesitation in the transmission. It revs way too high when shifting, it doesn’t downshift properly it doesn’t shift properly. …”

“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 (NHTSA 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. …”

“On multiple occasions, the transmission does not respond to gear changes such as moving from drive to reverse or park into drive. On those occasions, the D for drive would be blinking. More concerning and very dangerous is a lack of propulsion mid drive, the transmission would not go into gear. The engine would rev high, and it would not move forward, except by whatever momentum it originally had. This has happened to me on at least four occasions two of which I was in the left lane of three and four lane wide streets with cars passing me at high speed on the right. …”

“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. …”