When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
I would think a NOX sensor issue would put the truck into limp mode. The Reductant heater code puts the truck into reduced power mode not limp mode. In short yes those codes will cause you a problem if you are towing.
Got the P207F code AND 50 miles to 50mph yesterday. Filled the DEF tank and the 50 to 50 went away on my way to work this morning. But its off to the dealer this morning for the 207 code. Mine is a 2013 with 110000 miles.
Got my truck back last Friday. It was the NO2 and the def tank heater. It runs great now. feels like there is so much more power. The cost was $1450 and now recall or warranty. Going to try it out next Wednesday.