"DEF low, but you know it's not" problem
We added DEF to our 2012 Chevy D/A before our last trip and off we went...Over 500 miles later we got notice that we had 300 miles until we added more...Didn't think that sounded right, but added anot...
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I had the same problem with my 2014 Silverado. Had the dealer do a "hard reset" and no problems since.
