The contact owns a 2019 Ford Flex. The contact stated while reversing, the back over prevention camera failed to display a rear-view image, compromising the back over prevention system. The contact stated that the message ‘Rear-view camera unavailable’ was displayed. The contact stated that the vehicle returned to normal functionality, but the failure became a regular occurrence. 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: 24V951000 (Back Over Prevention); but 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 105,000.