The contact owns a 2016 GMC Sierra 1500. The contact stated that while driving at an undisclosed speed and making a sharp turn, the steering wheel seized, the vehicle lost motive power, stalled, and shut off. The vehicle was taken to a local dealer where the vehicle was diagnosed and the contact was informed that the ECM was losing power and that further testing was needed to diagnose the vehicle. The vehicle was not repaired. The manufacturer was notified of the failure. The approximate failure mileage was 137,000.