In TunerPro go to: Tools/ Parameter Finder, in the window that opens set the drop down box "find" to "A table" and type "spark" into the phrase box and click search.
You should see a bunch of items...

In the first part of this Youtube video he talks about selection the correct comms port, maybe that will help?
https://www.youtube.com/watch?v=BaaV9OVrve4