Not one, but two ACM flashes. 10k miles, 3k miles towing a TT at 7000 lbs up and down the Rockies. This is what I got. A truck with lower mpg and turbo lag that when power is needed, it's not there. Funny thing is towing in tow mode I get 12.5 mpg overall. Lowest at 10.5, highest at 13 mpg, same...