Some of the '03 and I think '04 express vans used the mechanical throttle body, that is one vehicle that is an exception to what I stated above, but I'm not sure what pcm service number they use.

For the general rule, no, don't flash an '05 calibration into a 2002 pcm, weird things happen. They have different hardware internally.
You can convert the dbw harness to a cable operated one, but use a 2002 pcm.