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trailer break system

  1. 2010-2012 General Discussion
    hello, guys I have a bit of a problem with my 2012 ram 3500 6.7 some codes would pop up some saying that I need to service the trailer brake system then it would say the electric trailer brake disconnected but I don't have anything plugged in and it would also say that I need to serv 4wd but if...
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