Originally Posted by
fatdaddytunes
Good Evening. Looking for a little guidance in regard to reading Cummins Engines.
Monday I attempted to do a read on a 2018 Ram 2500 CME STOCK Cummins. It did the id fine, Then when I attempted to do the read it says ?not authorized?? And yes I had the SGM bypass in place and internet access.
So i thought well maybe it is just that truck, so I attempted another read on a 2016 CME Cummins and I get the same thing???
I have updated VCM, updated and resync?d firmware for MPVI2.
Any help or advice would be greatly appreciated.