Today I had the error codes cleared by the friendly folks at "All Foreign Auto" in San Jose. They have a Snap-On scanner with an MB module. After resetting the codes, the 12 V appeared on pin 38 of my TCM and , my car is shifting like a dream.
I had re-set codes multiple times using my own generic ISO Scantool but that did not do the trick.
Thanks to all that have contributed, especially to C32AMG even though he wanted me to take my transmission apart, and to HerbPhilips who in the end provided the clue that lead to the solution.
Quite a few lessons learned here.