ok you need to follow procedure on those codes  on your diagnostic software check for powers and grounds to this modules in question check all fuses at the smart junction box  check that fuse box for water damage usually the drain hose for the sun roof brakes and damage the sjb   if all power and grounds are there unplug all the modules in question then plug in one at a time and try to communicate which each one at a time that will tell you which one is shorting the bus line good luck you also have issues with your instrument cluster