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Archive: Technical Info: 3rd Generation This forum has now been closed to replies and new posts, but can still be searched and read. Please post new threads in one of the new 3rd Gen technical Forums. Archive contains Technical discussions and questions relating to third generation (2003 - 2006) trucks.
 
 
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  #1  
Old 02-02-2005
Chriscnl Chriscnl is offline
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Default Computer Reflash???

After you flash the PCM with the aftermarket computer reflash...can you reflash it back to stock if you wanted to or do you have to take it to the stealership for them to reflash the factory program.
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Old 02-03-2005
gcross gcross is offline
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Default Re: Computer Reflash???

Everything I have read on this seems to indicate that once the program is updated you cannot go back.

-George-
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  #3  
Old 02-03-2005
45Auto's Avatar
45Auto 45Auto is offline
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Default Re: Computer Reflash???

Aftermarket reflash????

What exactally do you mean?? Are you talking about a flash the dealer does to correct a problem under a TSB?

If so, then NO, It can't be reversed.

Now if your talking something like changing the program to a performance program, with say like a Bully Dog Power Pup, then YES you can change it back to the stock program.
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04 Laramie (H) 2500 HO QC 4X4 48RE 3:73 LS Putco Boss Bars LineX AFE Stage II Silver Stars 956 Moto's high idle ROKK sensor FASS MagHytec Diffs & DD trans pan

The Second Amendment is only vague if:
1. You cannot read and comprehend the English language
2. Choose to selectively alter the meaning of "the people" from amendment to amendment
3. Have never read any of the writings of the Founders

Anything else is a willful effort to twist the meaning of the Constitution to fit an agenda, or profound stupidity."
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Old 02-03-2005
Kohldadsr Kohldadsr is offline
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Default Re: Computer Reflash???

I was just wondering if you had a Bully Dog and read the ECM then went to the dealer and had the TSB done and you didn't like it could you re-load the original pri-TSB data? [img]/forum/images/%%GRAEMLIN_URL%%/confused.gif[/img]
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  #5  
Old 02-03-2005
45Auto's Avatar
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Default Re: Computer Reflash???

Good question. First you would have to store the original factory program into the Bully Dog loader. But to do that, would mean having to download the BD program first. It's a swap of programs and only one at a time. It's either the 1st, 2nd, or 3rd programs. To store that program would mean the truck goes to the stealer with one of the BD programs installed, dealer flashes the program with the new TSB and you would probably lose the BD program you downloaded. You would still have the original factory program stored in the BD loader, but now you just lost a BD program. So that lost program was around a $150.00.

On the other hand, you could be opening up a can of worms by taking the truck in with a performance program installed. Depends on the stealer...

I would talk to a tech at the dealer, ask him and check him out, see what he says.
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04 Laramie (H) 2500 HO QC 4X4 48RE 3:73 LS Putco Boss Bars LineX AFE Stage II Silver Stars 956 Moto's high idle ROKK sensor FASS MagHytec Diffs & DD trans pan

The Second Amendment is only vague if:
1. You cannot read and comprehend the English language
2. Choose to selectively alter the meaning of "the people" from amendment to amendment
3. Have never read any of the writings of the Founders

Anything else is a willful effort to twist the meaning of the Constitution to fit an agenda, or profound stupidity."
 

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