Update - spoke with Vas on the phone, and unfortunately he informed me that a few of the'09 Rams were having the same issue, although not all of them. It seems that it is something specific to the truck (not the tuner) and that in order to troubleshoot it they would need to have the truck in their ...

Mike - I have been having the same issue: Failed to write PCM backup. I've added the file you attached above, and updated my tuner and re-attempted to tune the truck to no avail. I've tried calling multiple times only to be on hold for minimum 30+ minutes before giving up. What is the best method to ...