How hard is it to replace motherboard on 2004 Ford Taurus

I have a 2004 ford taurus that the mother board has went out

Asked by for the 2004 Ford Taurus
I'm guessing that you're talking about the powertrain control module? If so you'll have to do a programmable module installation so that you can put the vehicle info into the new module. A dealer is the only one that I know of that can do this,unless an aftermarket shop can handle it.