So, the full data in the datasheets is assuming a returnless/nonreferenced fuel system. To use the data with a referenced/return style, you use ONLY...
Short Pulse Adder is just find the one that has the same axis labels as your tune file, then copy and paste. Units are milliseconds, I can't imagine...
After programming the SDM, there's setup stuff to be done in the BCM also. And clearing codes, testing that it works without setting new codes, etc....
Not that I am aware of. Along with that the registration/sharing of the VIN is necessary to prevent someone from getting into an accident, replacing...