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What was found was a broken wire to the DEF injector. Possibly ice/snow hanging on the wire and broke it. No way to know what happened however it’s fixed, was about a 2hr deal and Goss CJR in Burlington VT was AWESOME!
Today my 2020 3500 threw a Check DEF system see dealer……. Then I got a count down from 150 to 5mph LIMP and honestly pulled into the dealer at 152 miles still running fine. I then got a message stating 5mph at next fill up, long idle, or restart. I figured I’d test it and filled up across the...