2023 Jeep Grand Cherokee L Transmission and drivetrain Problems

“Electrical System: The dashboard and screen have repeatedly turned off, the windows have become inoperable, and numerous warning lights and messages have appeared, including alerts for night vision, front camera sensor, and service car. Climate Control System: The system blows inconsistent temperatures, ranging from extremely hot to very cold. It also gets stuck in windshield defrost mode regardless of the selected setting. This has caused dangerous fogging of the windows, obstructing my vision while driving. …”

“While driving, the vehicle displayed a Service Shifter warning with no prior warning lamps or symptoms. The transmission then dropped out of Drive into Neutral on its own while the vehicle was moving, causing it to roll before the vehicle automatically shifted itself into Park and applied the parking brake. The vehicle could be shifted back into Drive but repeatedly slipped out of gear into Neutral again within about a minute each time. After parking, the gear indicator display (P/R/N/D) stopped illuminating entirely and has not returned. …”

“This vehicle has been making a noise in the front left side since new (day one). The vehicle has been taken to the dealership about 10 times in attempt to fix this issue. During the last service, the dealership performed multiple tests and concluded that the noise source is the engine motor mounts. If they disconnect the electrical plug of the motor mounts all the noises are gone. Consequently, they proceeded to replace the left front motor mount but unfortunately the noise is still there and concluded that there is no fix available right now. …”

“Vehicle has experienced repeated electrical system failures affecting engine operation, safety systems, and interior electronics from April 2025 through April 2026. Details: April 2025 (under warranty): Vehicle lost power and died. Dealership replaced batteries. December 2025: While driving, multiple warning lights (check engine, blind spot, lane departure, forward collision, accident avoidance) flashed repeatedly. Battery died and was replaced by AAA. Vehicle taken to dealership due to safety concerns; dealership found no issues. March 2026: Same warnings occurred again while driving. …”