The contact owns a 2024 Chevrolet Silverado 1500. The contact stated that upon starting the vehicle and attempting to shift into drive(D), the vehicle failed to shift or respond as needed. The contact became aware that the vehicle also failed to shift into reverse(R). After restarting the vehicle, the vehicle returned to normal functionality, and the contacts son was able to shift into drive. The contact stated that while her son was driving 50 MPH, the vehicle briefly accelerated independently before returning to normal functionality. A message to ‘Please Decelerate and Drive with Caution’ was displayed. The check engine warning light was illuminated. The vehicle was towed to an independent mechanic, who diagnosed a failure with the throttle body. The vehicle was not repaired. After investigating the failure, the contact related the failure to Technical Service Bulletin: 24NA181. The manufacturer was notified of the failure and referred the contact to the NHTSA Hotline for assistance. The failure mileage was 7,000.