See C:\Users\xxxxx\Documents\EFILive\V7.5\User Configuration\calc_pids.txt
for an example, see here: cal_pids.txt
I'm not sure, but OS id 02606494 does look like an HPT COS (it does not look like a GM OS id).
Well it did not have a custom OS from HPT. But as soon as it was tuned with EFIlive I no longer could read it with HPT.
I googled that number and it let me back to here.
https://forum.efilive.com/showthread...l=1#post155137
The tuner said he created some tables outside of EFIlive/HPT and uploaded them with EFI Live. Wonder if that is why HPT wont read it. Not something I understand. I just want to get back to some minor tweaking.