Having similar issues. Early July was driving in the rain when a bunch of warning lights came up saying traction control, 4x4, auto park, ABS, trailer brake were unavailable and needed to be serviced. Shut it off for a few minutes, restarted, issue was gone. Threw a scanner on it and had a number of codes. Made a service appointment the next day (earliest I could get was August 10th). Drove it for a couple weeks and then on July 25th I was sitting in a parking lot on a dry midwestern near-100 degree day and it did it again. This time just about every feature on the truck came up saying it needed to be serviced and the wipers started going. Shut it off, restarted, and drove it home only to have it happen again on the highway. Lost power steering, lost acceleration, went into limp mode, got it off the highway and towed to the dealer.
They’ve had it for almost a month now, just started looking at it last week but from updates I’ve gathered they’ve maybe only looked at it for 2 or 3 days. The tech said there were a ton of error codes and he smelled a burning smell from the PDC but he can’t find anything wrong. He doesn’t think it’s the battery although I did replace this back in April. They’re going to clear the codes and have someone drive it around today to see if it acts up again or throws a code but we all know how that will turn out: “It was fine, no issues”.
They said come Monday I need to make a decision on whether I take it or leave it with them. My extended warranty won’t cover anything because they have no claim to file. So if nothing happens today and they can’t find the issue, I’m stuck with a labor bill and an unreliable truck. This forum is rife with electrical issue posts so I’m planning to send the dealer a list of things I want checked based on some of the things I’ve seen here.
I also found carcomplaints.com shows 2019 Rams as having a much higher complaint count than other model years with electrical problems being the top complaint. I’ve got a 45 minute drive to the office, two small kids under 5 to cart around, and a camper to tow in a few weeks, if they can’t find the issue, I might be trading this in for something not built by Ram because I’ve lost a lot of confidence in this truck…