Does anyone know for certain whether on a new 2500 Longhorn the code XAN which is blindspot warning with cross path detection. Some information mentions blindspot detection with crosspath detection and trailer merging assist. Sometimes it's called blindspot detection with tag trailer. I...

My SERV/4X4,ESP/BAS Warning Light Comes On Intermittently and then goes away upon vehicle turned off and back on. There was also a "gurgle" at around 1500 RPM at top gear. 1.I took it into dealer today and they claim that there was a software update and it should clear the SERV/4X4 warning light...