Have Toyota Questions? Ask a Mechanic for Answers ASAP
Are you saying that you changed the lock cylinder that came with a new key? Are you certain that you got it installed correctly? Do you have the vehicle identification number available?
There is a recall on this vehicle and this is what I suspected was wrong the steering column collar that the ignition lock cylinder goes into needs to be replaced. It was never done on your vehicle and this is the result it breaks internally. You need to have the car taken to the dealership and tell them that the recall number A0H has not been performed and they will replace this collar at no cost to you. There is also a recall for the rear anchor tethers for the third anchor point for the child seats.