This article covers the steps needed to use an obdlinkmx or similar to pass info to an application like Torque Pro on your cell phone for gauges.   It will allow you to add more sensors than Ram Publishes for Free.     Big Props to Nova3930 on Cumminsforum for getting the list going.  Update 8/22/18  Added MPG for stock injector trucks : mpg  Beta items are not working yet.   PID mode 21 that I need to fig into 09 0A99 at idle   PID's on Mode 22 th