I just heard back from Edge and they told me that it was TSB 05-18-12. I tried putting my truck in level 1 yesterday morning and let my truck get to normal operating temp before I drove it. I went to the store and then put my truck on level 2. I drove all day yesterday with no problems or codes. I don't know what could have changed but my truck is working with the tunes now but I was cautious the whole day because I was just waiting for it to go into limp-mode. I still think that this problem exists though and would like to know why I kept getting that code.
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