Ram forums told me the see dealer now for fuel system service message is lynced with calculated fuel filter life.
Changed oil and filter, Chassis fuel filter/water separater, under hood cartridge filter (67$ from Dealer with delphi discount), and greased everything.
holding off on rear diff fluid service. just beat after fluids and trying to tighten up my goose ball nut. apparently its been loose and beating it self. cant loose or tighten it, so i just welded it to the mount. \
now own next group of big boy sockets past the 3/4 HF set.
oil and fuel monitors reset, 2 DEF engine codes cleared 14940 miles