The contact owns a 2024 Chevrolet Silverado 1500. The contact stated while driving at an undisclosed speed, the transmission shuddered and the vehicle hesitated. Additionally, the contact stated that the transmission vibrated, and the vehicle jerked forward. The contact stated that while parking in a parking lot, the vehicle jerked forward and crashed into an accessible parking sign, causing a dent in the front bumper. The vehicle was taken to the dealer; however, the failure was not duplicated. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 1,600.