ive got 2011 cab and chassis that i pulled the cab and worked on. Got it all back together and have no communication with the pcm or tcm. The scan tool will communicate with the hvac module, body control module, tpms module and iirc the abs module. Ive checked and cleaned all connections that i have had apart, fuses and pcm power relay. I cannot find a pin out of the 3 connectors on the pcm, would anyone have those diagrams handy so that i can verify power and grounds at the pcm? anyone have any suggestions or tips of other things to check? I havent worked on many 6.7's, more of a 7.3 and 6.0 guy...