because of the variety of trikes I work on,
Smitty, I believe those units marry themselves to 1 ECM. Sounds like she needs a true scan tool.
Nope the first is a basic scan tool that give a lot more data then just reading the on board system.
The second one is a plug in unit that will hook up to a laptop does all the first does and more.
The last one does all that and more yet.
My point is all three would not add up to 1000 let along 3000