The contact owns a 2020 GMC Sierra 1500. The contact stated while driving 70 MPH, the low oil pressure warning light illuminated. The contact pulled over to the side of the road and noticed that the oil level was abnormally low. The contact added oil to the vehicle and continued driving. The vehicle was taken to Mike’s Garage, where it was diagnosed that the valve cover was fractured; however, the part to repair the vehicle was on backorder. The contact related the failure to TSB Number: 22-NA-027. The dealer was notified of the failure and informed the contact that the vehicle was not covered under the TSB. The vehicle was not repaired. The manufacturer was notified of the failure, but no assistance was provided. The failure mileage was approximately 96,000.