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That did it, Thank you. For some reason it didn't do a full read like I thought.

Very new at most of this. I have never had this issue with an 0411 PCM, but I went to play with some transmission settings in my 6l80e on my 2016 Suburban and ran into a hitch. I pulled the stock...

This maybe a reach, but is there any place that has an archive of known good tunes for some of the more common setups?