Lexus IS350 Steering problems by year

Having an issue with my 2014 lexus is350 steering..the steering feels notchy and grabs when going around curves..it does it when returning wheel back to straight position..and wheel has to be pulled back into straight position or it will keep pulling ..thats when it catches and causes the jerk in the steering.. Usually when driving a car It'll somewhat straighten itself smoothly.. I have taken it to repair shops to have alignment/ brakes/rotors done and nothing has helped this what so ever. I've seen many forums...

First started with steering getting stuck a bit while changing lanes now the electric rack and pinion makes noise steering left and right while parking in and out also while driving.

Tl* the contact owns a 2014 lexus is 350. While making left or right turns, the power steering seized for a second without warning. The contact stated that the failure was intermittent over the past two years. The local dealer and manufacturer were not contacted. The vehicle was not diagnosed or repaired. The failure mileage was approximately 34,000. The vin was unavailable.