It doesn’t matter if it was tuned with the Autocal. Once the tune is installed in an ECM or TCM, any tuning software can pull a copy of that tune which is then saved as, say, an HPT file if that’s what is being used , then modified by HPT and then flashed. I did this with my BBP tune on my 02. I pulled a copy, modified my trans tune to not report codes related to a 2-3 solenoid issue I was having because my trans builder said their builds don’t even use that solenoid. Then I flashed the modified tune and voila no more problem. I think that guy just wants money imo. He should know that.