2020 Jeep Grand Cherokee power train problems

“On the 26th of April 2026, the transfer Case on my 2020 Grand Cherokee (with less 114,000 miles) failed during highway travel. This resulted in a sudden downshift and temporary deceleration followed by illumination of “Service 4wd” display. A short time after, the “Service Electronic Stability Control” indicator displayed followed by another downshift and the unattended transition of the 'Select_Terrain' from 'Auto' to 'Snow'. We were unable to turn off these settings. On the next day, we returned the Jeep to our CDJR dealer for repair. After inspection, the service agent reported that the Jeep experienced a “Transfer Case failure” and further recommended that I consider [purchasing] a new vehicle as these issues seem to be piling up. Failure of this nature is not normal wear. I have purchased 5 Jeep vehicles over the past 40 years and 4 of our Jeeps had over 250,000 miles of service without dangerous, catastrophic engine or drive-train failure such as this. This situation should remediated by the manufacturer and any affected components repaired or replaced. Finally, it should be noted that 3-days prior to the failure, the same CDJR dealer provided a…”

“At 50k grand cherokee would flash reverse indicator and message shift to park also when reverse would engage it was with a harsh engagement. At 58k transmission would hesitate to shift into 4th gear.at 64k transmission would no shift past 3rd gear. Jeep dealer tried to charge $5900. For a bandage 4th clutch repair or $7000. For rebuild transmission .while I wish to repair it myself parts for transmission are not available and dealership says it won't pass state emissions test with transmission codes.the fact the vehicle can not reach highway speed do to failure and after reading online about many premature failures of this 850re transmission and lack of consumer available parts the vehicle should be recalled”

“The contact owns a 2020 Jeep Grand Cherokee. The contact stated while driving at an undisclosed speed, the service four-wheel drive warning light illuminated. In addition, the contact stated that the vehicle was shaking. The vehicle was taken to an independent mechanic, however the failure was not duplicated. The contact was advised to take the vehicle to the dealer. The dealer was made aware of the failure. The contact referenced an unknown recall repair which had a similar failure description, however the contact's VIN was not associated. The manufacturer was not made aware of the failure. The failure mileage was approximately 65,000.”

“I purchased this vehicle, November 2023 and by August 2024 the vehicle went into Griffin Hubs to get the engine replaced. They had the vehicle for over a month and a half when I received it back after the engine I had it for a day and a half and had to take it back because it was making a loud grinding noise coming from the engine which then they had to replace a second time because the engine was shredded and was told they were going to put a new transmission in as well, but instead of just replaced a piece, and then two months later, the negative terminal for the battery was replaced in about four months later I take it into the dealership again because as I was driving the vehicle pulled back three times and then shot forward and that happened seven separate times dealership said they could not find an issue and then in November 2025, the vehicle goals back into the dealership for overheating needing a new water pump because I was losing coolant with no leaks. Get the vehicle back two days later my coolant is empty tied again call the dealership they said if it happened again, bring it back in two weeks later it did the exact same thing. My coolant was…”

“My vehicle is losing power every randomly literally cutting off and on. Flashing lights won’t start at time , next day drives completely fine. I do not understand”

“My 2020 Jeep Grand Cherokee Laredo 3.6 ENG vehicle is cutting off while driving, I was advise it the transmission shift gear transmission, Which needs to be replaced and the can change the TRANSMISSION ASSEMBLY - Remove & Replace 3.6L Eng, AWD on my vehicle. when I stop at the light the vehicle completely shuts off where I have to restart my vehicle. They said it was the 2nd battery which I changed and brought a new one. and the same day it still was cutting off. after several attempt in contacting them. I brought the vehicle into Chrysler Jeep Dodge of port Jefferson, and after reviewing they said I need to replace the transmission . I was also advised that there was a TSB Code that is now coming up # 21-00925 Revision C - P0733. I'm very upset as they're telling it current over the extended warranty at this time at 60,000 Miles. when I brought it in it was .. This should be a recall and they need to fix it I only had this vehicle for less then 5yrs brand new, when I started having these issues and can put me in a situation on the highway where I can get into a server accident. I strongly urger the RECALL as this is a known issue with this vehicle”