OM648 swap into a w123
OM648 swap into a w123
Thought I would post this up to show what we are trying to overcome. This is one type of authentication process. I do not know for sure if this is the exact same. From what I have seen on the CAN BUS I do not think that the original message is transmitted. Just the Hash. The ecu then just compares the hash.
http://en.wikipedia.org/wiki/Message_aut...ation_code