AT OD flashing at idle

[fixkick]

keep in mind
when a TCM sees errors.
and you can not feel the transmission act oddly
you can expect to see it fail soon.
The TCM can see things you cant. and feel things you can't
in fact it has PERFORMANCE tables in it.
and if the transmission slips, for any reasons (outside of normal TC slip) the TCM will in fact warn you, its a HEAD up, we have trouble coming.
really that is a blessing;
would you drive cross country knowing the TCM is unhappy before the trip, if yes, why>?
there are
BLack
then
white
and shades of gray! and many shades.. .there are, in an analog world.

Gray loves to turn to black, for 1 reasons, ENTROPY.
the laws of the universe,.. all things have a beginning and end.

if it was my car id have fedex deliver it faster..
if is rely on 1 car.
id not want to get stranded, or wife same.... not me...

in truth i consider it part of the car,
you can get the car scan at any shop
but not if car wont move out of drive way.
that would cost me, big towing charge to shop about 10 times the tools cost.
wont start, or wont move. or cant shift out of 1st gear, all problematic....
see?