Tailgate Latch problems of the 2023 Toyota Highlander

The contact owns a 2023 Toyota Highlander. The contact stated that the liftgate had failed to open or to close intermittently. The contact stated that the liftgate made an abnormal grinding sound while opening and would open 3-inch at a time while the contact continuously pressed the power liftgate button manually. The contact stated that the dealer had reset the liftgate; however, the failure persisted. The vehicle was taken back to the dealer, where the cause of the failure could not be determined. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 28,000.