Originally Posted by RamTech
After a bit of research, I've found that the part number you posted will not work because it communicates via the CAN-B (low speed) protocol and your truck uses the CAN-IHS system (high speed).
I thnk I may have just bought hte wrong one from EBAY, I got a PO564758AC, I am afraid that is LS, and I need HS. Can anyone direct to a site or confirm this. It is a jeep model