My 4 wheel drive service warning comes on when pulling 5th wheel after a bump

What is your question?

This only happens when I am pulling my 5th wheel and seems to happen after I hit a bump in road. The service 4 wheel light goes off later. Dodge says nothing wrong cause there is no data to support in computer. I was told it was a sensor problem by a freind. How can I get this fixed? Bought new in April 2018

How long has your 2017 Ram 3500 had this problem?

since I bought it and reported it while towing a 5th wheel 5 days after purchase