Also, Broncos have been known to do something like this while fiddling with drive controls, like pushing too many buttons and/or GOAT modes over a short period of time...
Well that sucks...
I don't know if it's the same issue I had.
When my dash lit up it also caused the power steering and brakes to fail...turned out to be loose wires at the fuse panel under the hood. I found this by grabbing the main harness between the fuses and the firewall, it's over an inch...
I would have preferred to do Vegas as opposed to Moab.
I did the Moab Off Rodeo and it was fun and all, but I was not enamored with the Dome Plateau area, which I found far less impressive than the regular Moab trails.
If I was to do it all over, Vegas baby!
If it makes you feel any better my under dash metal has a lot of surface rust and I've never had a leak or any water issues that would have made contact to the dash underside...
I doubt you would find any vehicle which doesn't do this!