i have a 2003 dodge ram 1500 4x4 with the hemi.the last time i used the 4wd the service 4wd light came on andthe indicator lights for the 4wd selector switch have gone out.now the truck is stuck in 4wd.my buddy scanned the transfer case and the scanner said there is no communication with the controller.i dont know if this is related.i have checked all the fuses and the basics.any ideas??? thanks.