I have one parked I NC somewhere that has the same problem and after 30k of trial and error I got a KW I changed MCM,sensors both can and crank...
O had the same problem with the same 2012 cascadia,it’s still broken down in NC and so far I walked away from it but the only thing I didn’t do...
Did you figure out what the problem was with the code spn 723 fmi8 I got the same thing for the 5th time and I’m looking for new ideas of what...
Did you end up finding the cause and the solution to this code