Swapping ecu files L to M box.

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scottydo

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	Swapping ecu files L to M box. « on: September 10, 2016, 01:39:25 PM »

I want to flash from a 4B0 907 551 L file to a 8D0 907 551 M file. The ecu has a GIAC tune on in. Can I change the ecu files without effecting the tune? Are there any specific steps I have to go through to retain the tune while flashing the different file. I know both are 1024kb ecu's and should be interchangeable. I have been searching for a answer for a few hours and the search function gods have not shined on me.


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nyet

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	Re: Swapping ecu files L to M box. « Reply #1 on: September 10, 2016, 01:45:25 PM »

The file is the tune.


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scottydo

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	Re: Swapping ecu files L to M box. « Reply #2 on: September 10, 2016, 01:48:58 PM »

Sorry, I didn't structure my question properly. Can I alter the information switching the box from the 4B0 907 551 L to the 8D0 907 551 M box file since this ecu already has a GIAC tune on it.


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nyet

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	Re: Swapping ecu files L to M box. « Reply #3 on: September 10, 2016, 01:50:26 PM »

No. GIAC moves and encrypts the maps that they alter, and put bogus values in recognizable map locations.


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scottydo

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	Re: Swapping ecu files L to M box. « Reply #4 on: September 10, 2016, 01:52:56 PM »

So essentially contact a GIAC tuner and have them swap it.


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Carsinc

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	Re: Swapping ecu files L to M box. « Reply #5 on: September 10, 2016, 07:05:38 PM »

That wont work either.


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