I have a few transmission control units in my garage that I do not need. These are B5 TCUs, installed under the carpet in the passenger footwell. All are used but functional. Not trying to get rich off them - $45 each plus shipping, or if you're somewhat near the southern tier of NY we can arrange to meet. OEM pricing is eye-watering on these things. If you're looking for one to replace a bad one or to keep as a spare, shoot me a message with the part number on yours and I'll see if I have a match.