I bought a "unlocked" T87A from HP tuners since I needed my car and couldn't ship my stock one out and not be able to drive my car. I ended up throwing a code for P27A7, which is the TCM is "Transmission Control Solenoid Valve 1 Calibration Incorrect". Now I'm not sure why it only trips the code for the #1 solenoid and not all of them, but the point is it looks like HP tuners does not flash the individual solenoid calibration data when they unlock a new TCM for you and program it to your VIN #.
Now the mystery about this is the service manual says the code is for "Incorrect" calibration and not "Missing". I have no idea how the TCM would ever figure out with confidence that your calibration data was "incorrect". As far as I know the 8L90 only has speed and pressure sensors as feedback, so it would have to have some preset table and logic that it could see with enough precision that the commanded current it was sending to the solenoids was not getting the correct pressure. There could be a million other reasons this could be true, not that someone forgot or flashed the wrong solenoid calibrations.
I think HP tuners does not calibrate this data for you when they program the VIN#, I just could not get a straight answer from support and it looks like they can't actually calibrate the solenoids.
Also if anyone would like a unlocked T87A let me know, seems like my only option now would be to pay to send my stock original TCM in to get unlocked and then pay to relicense it. Or either deal with a constant, pending check engine light, you cannot clear it. However, I did just find in the latest beta that P27A7 you can set to "No MIL Light" so im going to see if that at least turns off the check engine light.