There's already a thread started on that car if you want to join in.
***DELETIA***
... makes me think that rebuilding my TCS, by comparison, should be a "walk in the park" - I must be doing something wrong...
We overthink it. Everyone does. One thing wrenching on these beasts since '81 has taught me is
'they are not as complicated as you think.'
IOW, your first gut feeling about how to do something is probably ok. Don't get into analysis paralysis. Has always worked for me...