E-04-F04 mean the ECM is not communicating with the VCM. Check to see that you have battery volts through the relays to the ECM. Also check that you have a good ground connection. (by the left step) If all is good and the relays don't come in, The ECM is bad.
This is ONLY to be used to report flooding, spam, advertising and problematic (harassing, abusive or crude) posts.