The contact owns a 2017 Jeep Grand Cherokee. The contact stated while driving 40 MPH, the vehicle started jerking and hesitated while depressing the accelerator pedal. There was no warning light illuminated. The contact pulled into a parking lot before the vehicle shut off. Due to the failure, the vehicle was towed to a dealer and was diagnosed with transmission failure. The transmission was replaced by the dealer. The manufacturer was notified of the failure and informed the contact that the vehicle was not under recall. The failure mileage was approximately 125,000.