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Call Superchips Customer service and obtain an RA number. Box the tuner up and send it to Superchips via UPS its 12.00 Then wait about 1 week while they update it with the new codes and then they will send it back to you. I did this many times in the past and they walk you through it. By the way if you have a little extra cash they offer a trade in for the Flashpaq which has endless updates via the web. Good Luck!!
It is a 1704 i bought it from cabelas and it says call superchips E-6D
Everything I see for a 2005 say's "1704-A" maybe the "A" is the update? If you bought it new I'd send it back for a programmer you can periodically update via the internet. In the long run you'll save time and money, If the dealer re-flashes your truck you'll have to do this all over again and it won't be free!$!$ Good luck!