Originally Posted by maverick22

First question, did it just start doing this or is it a new truck? Reason being the integrated controller works differently than the old ones in that the trailer braking is determined by how hard you use the truck brakes, you don't feel the tug from the trailer like you used to. If it just started doing this then there's a problem, are there any faults in the message center? I'm thinking pretty much the only things it could be are the controller itself or perhaps the switch on the master cylinder.