The contact owns a 2020 Tesla Model Y. The contact stated while driving approximately 3 MPH and in reverse gear, the rearview camera display began to drop frames and was not displaying live action. The contact stated no warning light was illuminated. The contact had a manufacturer technician go to his work location who diagnosed on a laptop and stated that there were no issues with the vehicle. The vehicle had not been repaired and the contact stated that the failure was ongoing. The contact stated that he did have a backup crash due to a camera failure. The contact's rear bumper crashed into the front bumper of another vehicle. The damage was minimal, only scuff marks on the contact vehicle and the other vehicle. The manufacturer had not been informed of the failure. The failure mileage was approximately 25,000.