So, it appears a broken connector and/or dirty connections or modules were the culprit... I took apart the Convenience Control Module and didn't see any corrosion, but went ahead and put a little deoxit on each physical relay (electro-magnet) inside there. That cleared up all the 'new' electrical problems, as in windows, sunroof, etc... I cleaned all the the connections and connectors, even took apart both modules in the Main ECM; there was a Little corrosion on the board that traveled in from the perimeter of the pot metal casting itself.... All these things combined appear to have fixed my problem, except one...

I now have a non-working instrument cluster; temperature cluster flutters at all times that the key is on, but nothing else works. IF I understand how they work, if Any motor sticks, it fouls up all the rest of them. So, weird timing, but I assume I need to have my instrument cluster rebuilt... Module Master does that for $120, just did the one in my '99 VW Cabrio and they did great.

I'll keep y'all informed.

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1998 VW Cabrio
2001 Audi SomeRoad A/T (no air suspension)
2003 Audi DeadRoad M/T (no vroom, for later)
2002 Audi NoRoad A/T (nothing under the hood, being rebuilt)