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Thread: i can't re-program my 2001 8.1l tcm allison 5 speed

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  1. May 20th, 2009 #1
    496chevy
    496chevy is offline
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    Default i can't re-program my 2001 8.1l tcm allison 5 speed

    I can't re-program my tcm the bootloader keeps getting rejected and the new licence wasn't used on my v2 efi live with ver 7.5.5. I once had an allison tech try to re-program the tcm but was told the tcm was the very first controler that was put out and wasn't re-programmable. I copyed the program and attached it. Any help would be appreciated.
    thanks
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