Just got my truck back this morning after service for multiple small things noticed at delivery. I requested an additional slat due to assuming I am missing one based on mine looking exactly like the picture posted by OP. Service center denied it and stated that it was normal. I haven't had any...
Got mine back from service this morning. They were in fact able to adjust the tailgate. It is not 100% flush now but 10x better. All the service notes stated was that the latch required adjustment.
To me, it seems like they connected the wiring to test the lightbar and make sure it works which added it to you interface. Then they disconnected it for liability reasons and the computer senses that it isn't installed anymore.
I would check the b pillar for the connection.
I would just ask your favorite electrician for a quote to install a generator interlock. I had one on my house already when I moved in. Basically just consists of a bracket that prevents you from shutting the breaker for your generator connection when the main breaker to your panel is shut. I...