First off, thank you for being a two time owner.
I don't like telling anyone NO, any more than you like hearing it. I would not agree that you got no help from Dynamax, simply not the help in the way that you wanted it. With many dealers overwhelmed, we are trying to take as much on as we possibly can, but even we can't serve everyone. So we made the hard decision to focus on things a dealer may not be capable of and are in the warranty window.
I was not on the phone call, so I do not know the details of how much was passed on about working with Firefly to no avail, but if you came here, that is exactly who you would work with is Firefly. They are the experts at their system and through dealers have resolved many issues. They also come here and resolve issues directly.
If you'd like, I am happy to get you connected to Firefly directly as they have learned quite a bit (as we all have) in the last year or so.
When was the last time you spoke with Firefly on these sensors?
If possible would you like to take your rig to their facility for repair?