2000 cadillac escalade, I have no windows, radio, and wipers working. How much is it going to cost?

I have heard it is the (BCM) 2000 cadillac escalade integrated body control module, If i take it to the dealer to get it replaced how much is it going to cost? I Really need windows, wipers, and a radio!!|||Maybe $1 for a fuse.|||Got fuses?