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Naf
July 13th, 2007, 11:46 PM
HI all,

I am in the process of upgrading the engine in my tahoe from a 5.3 to a 5.7 However, i am runnin into OS conflicts. My tahoe has an older OS then the other vehicle in which i am takin the engine.

With V1, is it possible to upgrade the OS from 12587811 to 12592433?

Lookin forward to your replies

Naf

SSpdDmon
July 14th, 2007, 02:02 AM
If you have the commercial version, yes you can upgrade the OS through a full flash. Just make sure your PCM is compatible with the OS you want to use. A few other members on here would be able to help you with that...

Naf
July 14th, 2007, 02:22 AM
I only have the personal one :(

I have a V2 commercial, but i am lookin to off load it...Its useless to me if i need to lug my laptop around...