Originally Posted by LHaven
My guess is that this has nothing to do with the inCommand unit in the trailer whatsoever.
If the app is showing a splash screen and then going directly to black screen, without either asking you for the keypad password or telling you that your RV is off-line, the problem is entirely in the phone or app.
Hmmm, it's clear there's a bug in the app, but without knowing the nature of that bug (or bugs) it's hard to tell what the exact trigger is. I don't see any way to rule out the BCM or any trailer-side part of the system.
The app definitely has it's problems. I've not seen the OP's issue, but once my app is connected, if I get out of range and then come back, the app won't work unless I kill and restart it.
Since the OP has removed and re-installed the app, it sure seems like there's something else going on here. Perhaps try resetting the BCM (if that's possible)? A call to ASA/Jensen would also be in order.