Seems like everything I touch with EFI LIve lately the ECM goes into an unkown state!!! I have calibrated my truck atleast 30 times with TCM changes and ECm changes and have never ha this issue. I tried to help a few friends out and now that seems all I can do:( Does this mean the ECM is fried? Is there anyway to recover the ECM from this state? I know alot of people have these same issues. I was able to upload stock cal. with no problems then downloaded the new cal. with what seems is the normal hickups disconnect everything and connect it back a few times before it would download but it took it ok. Now the truck wont start??
Is there some kind of anti theft or something the ECM will go into if you unplug it to add a DSP5 switch. Its for an LB7. Unplugged the ECM plugged signal pin into 69 and the ground into 49 3x checked that all the pins looked good. BUt the truck wont start fires and then shuts off immediately. Only after I had uploaded the cal and downloaded the new cal would EFI LIve no longer recognize the ECM??? If anyone has any ideas please feel free to post. Thanks for the info.