Have 2020 VNL760...
Does anyone have practical experience with diagnostic software running a single truck?
Are you using laptop or port connector?
Is the ROI worth it?
Besides reading codes, gaining control of resting, and regen, how well does the diagnosing work?
Back in hot rodding days, would say it was a necessity but it gave full dealership access. Not sure how it compares to commercial applications. Open and honest experience is welcomed.