Obviously a bit late, as it is the next day already.
Do you have a Mobile Speed pass, or other transponder ( door proximity tag ) on the key ring ?
If these are close to the PATS receiver when trying to start the truck it can cause a problem ?
If you place the key ( without a ring, just by itself ) in the ignition, and turn to the run position, wait a few seconds, does the theft light go out ?
I ask as the crank no start you are seeing could be a problem with fuel delivery.
Things to check are the fuel inertia switch, then the relay for the fuel pump.
Here is a thread on some diag steps I took when my fuel pump relay took a powder on my '01 SCrew:
Sorry it is not very timely, but something to look at, if you got a lift, and were not towing it to a shop.