My experience is that this is normal with some models under some weather conditions. I had a Mercedes S550 that would do it sometimes. It should go away in a couple of days. If it doesn’t, I’d go to dealer.
I don’t know exactly how, or what I did differently from before, but I was able to get the trailer charging today. Sequence: back truck up to trailer, keep truck running, plug in wiring harness, select trailer via truck interface, shut drivers door. I think before, I shut the truck off before...
I have the same issue. ’25 Powerboost w/ 7.2kw generator. No power to trailer for charging. Trailer recognized by truck, but “trailer not charging” message in truck. I never checked charging status with my original vehicle - assumed it worked, but never checked. That vehicle did not have...