Are you talking about the built-in brake controller? My install was seamless, not much the user has to do once selecting the type of brake etc so I don't think you're doing anything wrong. Trip to dealer might be the only option though I have doubts about the success there unless they have a TSB that they can flash.
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Bill
2015 Ram 1500 Ecodiesel
2015 Cougar 26RBI
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