The contact owns a 2021 Ford Explorer. The contact stated that upon shifting into reverse, the rearview camera failed to display an image. No warning lights were illuminated. The vehicle was not taken to the dealer or an independent mechanic. The vehicle was not repaired. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 25V315000 (Back Over Prevention); however, the VIN was not included. The manufacturer was not notified of the failure. The failure mileage was 36,000.