Hoping somebody can help me diagnose an issue or provide some helpful next steps without me having to just throw thousands at the dealer.

So 2 different scenario's happen, in both instances the car drives normally and functions normally except for the odd shifting issues explained in scenario #2.

#1: When driving, stopped or moving, warm or cold, upshifting or downshifting, it doesn't matter the TSR light will flash, ding and show up for 3-30 seconds before going away. Sometimes it goes away mid-driving, sometimes it goes away when I stop or downshift so it all appears to be random.

#2 Similar to the above, but in this case the TSR light never goes off and when I come to a complete stop and start moving again the transmission seems to skip 1st gear and go right to 2nd gear.

I have had my BlueDriver logger/reader plugged in for drives before and it never pulled anything from my transmission, and I've also tried logging with my Tactrix and couldn't find anything either. Is there a special reader I need to be able to pull the tranny codes to tell what it's saying is wrong? Has anybody else experienced this issue and know what it might be?

I am tuned to about 370awhp, during the minimum time I had the car before I upgraded & tuned I did have these issues happen just a couple of times.

EDIT: My fluid & filter was also replaced in December 2021, I've put about 5k miles on since then.