2023 Jeep Grand Cherokee L

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. The vehicle is now unresponsive to the rotary shifter and is stuck in Park with no way to shift into any gear. This failure matches the description of open recall 30D (shifter module software defect causing loss of transmission gear position display), though my vehicle was not part of the currently identified population when checked against the VIN lookup. The vehicle is currently undriveable and has not yet been inspected by a dealer or independent shop.

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. Vehicle lost all power while stopped at a red light. Hazard lights did not work. Gear selector knob rotated freely and could not be put in park. After opening the hood, vehicle restarted but windows, powered seats, and infotainment stopped working. Dealership replaced fuse array. April 2026 (~3 weeks later): Vehicle would not start. After accessing battery under passenger seat, vehicle turned on with alarm and lights flashing. Same warning lights reappeared while driving. Interior electronics (windows, seats, infotainment) remained non-functional. Safety Risk: Complete loss of power in traffic, inability to use hazard lights, failure of driver-assistance safety systems, and inability to shift into park create significant risk of crash or injury. Inspection/Repair: Vehicle inspected multiple times by dealership and AAA. Batteries and fuse array replaced. Issue persists and root cause is UNKNOWN. Warning Signs: Repeated warning lights prior to failures, including check engine and multiple safety system alerts.

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. Drivetrain: The vehicle shakes and trembles, both at high speeds and at a complete stop. There is also a distinct abnormal sound coming from the driver's front side. These issues suggest potential problems with the axle, transmission, suspension, or a combination of these components. Potentially the Engine: The vehicle has experienced sudden acceleration issues while shifting gears, which could indicate an engine-related problem. Loss of Vehicle Control: The trembling and shaking, particularly at higher speeds, can cause a loss of control, increasing the risk of an accident. Unexpected Acceleration: The sudden acceleration issues while shifting gears could lead to unintended speeding and collisions. Impaired Visibility: The climate control malfunctions, specifically the extreme temperature fluctuations and persistent fogging of the windows, significantly reduce visibility and make it dangerous to drive, especially in inclement weather. I have been forced to pull over multiple times to clear the windshield due to the severity of the fogging. Distraction and Discomfort: The extreme temperatures blowing from the climate control system are distracting and uncomfortable, which can impair my focus while driving. Car has only been inspected by dealership. No there were no warning messages prior to the car starting to act up.

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. They understand that Jeep needs to redesign the motor mounts and update the software the controls the engine motor mounts. I know a few owners of the same vehicle that have the same issue. Jeep knows about it but doesn't do anything to redesign these parts in order to correct the design flaw. I can provide copy of the communications with Jeep if required.