The contact owns a 2023 Toyota Corolla Cross. The contact stated while stopped at a red light, the contact heard a loud, consistent tone emanating from the vehicle, followed by the message ‘Low power steering’ before the vehicle entered LIMP mode and shut off; however, the contact was able to restart the vehicle. The contact stated that after restarting the vehicle, the vehicle returned to normal functionality. No warning lights were illuminated. The vehicle was taken to the dealer, who was unable to duplicate the failure but had observed an OBD code related to a failure with the mass airflow sensor. The vehicle was not repaired. The manufacturer was not notified of the failure. The failure mileage was 54,000.