The contact owns a 2014 Cadillac XTS. The contact stated that upon shifting the vehicle into reverse, the rearview camera failed to display a rearview image. There was no warning light illuminated. The vehicle was taken to the dealer, who diagnosed a failure with the rearview camera. The vehicle was repaired, but the failure reoccurred. After investigating the failure, the contact related the failure to NHTSA Campaign Number: 22V709000 (Back Over Prevention); however, the VIN was not included. The manufacturer was notified of the failure, a case was opened, and the contact was referred to the NHTSA Hotline for assistance. The failure mileage was 80,000.