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    Lots of "lost communication" codes, Battery? PCM/ECM? Something Else?

    Lots of "lost communication" codes, Battery? PCM/ECM? Something Else? My 2013 1500 tradesman with the 4.7 just started throwing a bunch of communication codes (at the bottom of this post). The dash gauges will turn on and off (speedo/tach/etc) and the display flickers as well. Occasionally...
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