Quote Originally Posted by EverydayDiesel View Post
is there a book or a class that teaches cax related stuff. i am a c/c++ programmer by trade so data and programming i am very comfortable with. I need help on os specific stuff in the ecm.
cax syntax can be garnered from reading existing cax files.

As for reverse engineering the ECM tables, you have to do it yourself, or find someone who has done it (they will probably want some payment).