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  1. Durango Discussions 2011-13
    I have a 2011 Citadel that is having a strange issue with the 4WD/AWD system. Mine is an AWD, but I get the Service Four Wheel Drive System message upon startup. It also says ACC / FCW Unavailable Vehicle System Error. The SERV 4WD light comes on along with the traction control off light. As...
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