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Help Duramax Dead

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mrmarcus73
 Post subject: Help Duramax Dead
 Post Posted: Sun Feb 03, 2008 4:10 pm 
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Joined: Sun Feb 03, 2008 4:03 pm
Posts: 1
I have an 03 GMC Sierra 2500HD. I used a flash paq to program for tow.
I tried to re-program for performance and now it is dead, no stock file, no performance file in the truck anymore. It gets 95 % of the stock file downloaded and gives me a communication error. The batteries are fully charged. The stereo is stock with onstar. My alarm has been set to valet. What fuses do I need to remove ?

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RON @ SUPERCHIPS
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 Post Posted: Mon Feb 04, 2008 9:12 am 
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Joined: Tue Jul 25, 2006 9:41 am
Posts: 18240
Location: SUPERCHIPS
Give one of our guys a call this morning if you still are having this issue.

Fuses:

Info
SEO-B1
SEO-IGN
Radio
Radio amp

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ipmechanic
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 Post Posted: Tue Feb 05, 2008 7:14 pm 
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Joined: Sat Jul 14, 2007 12:23 am
Posts: 10
If you are using the 2805, what version of the software was installed on it when you updated from Tow to Perf? (and did it make a buzzing sound)?
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Board index » VEHICLE SPECIFIC » GM Duramax

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