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Discussion Starter · #1 ·
so my 03 duramax has been decllared dead by the dealer

new tranny new ecu/computer and nothing will work the dealer has had it for 3 days along with other diesel shops and noone can get this thing to run its stuck in security mode or some b.s

so when i get it back tomorrow im going to take some pictures and begin to part her out i suppose
 

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If it's something to do with VATS you can usually beat it by turning the key to "on", but not starting it, then let it sit for 10 mins, shut off and repeat, shut off for 10 mins, repeat and then start it. That will reprogram the VATS and the truck should run again.
 

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Discussion Starter · #5 ·
yeah im going to tinker with it when she comes back tomorrow

ill have it running and if i dont ill part it out then light it one fire and roast some marshmellows
 

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Otherwise, find someone in your area who has EFI Live and see if they can get any response out of the ECM. I guess you can disable the VATS with EFI Live, and that might get it running as well. I wouldn't call it dead just cuz the dealer said so... we've all heard how smart some dealerships are :rolleyes:
 

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Discussion Starter · #11 ·
well the tranny blew then it went to the tranny shop and it ran really bad supposidly, then the computer fried i suppose and it was replaced now its dead
 

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Do you get a security light on the dash or anything? Or just completley dead, no lights or anything?
 

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Discussion Starter · #14 ·
im not sure man i havent seen the truck in a month or so ive just been trying to have it fixed and its been passed from guy to guy....luckily noone charged me...just for parts it was pretty cool


i think it has a security light....the dealer said its stuck in security mode... i figured they didnt reconfigure the ecu or w.e it is when it was installed...so i might give that a try tomorrow
 

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Discussion Starter · #16 ·
like i said man i dont have the truck in my posession...so therefore idk whats going on i just simply have done the " i dont care get it fixed and running" but im taking it into my own matters now sence noone can figure it out


THIS ISNT MY PERSONAL DURAMAX IN MY SIG

its my 03 work truck
 
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