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Thread: Need new computer, need help.

  1. #1
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    Default Need new computer, need help.

    My 2003 yukon xl denali needs a new computer. One of the internal 5volt references is no longer sending 5volts.
    My question, can I plug in a new computer and install the factory tune or will it need to be bench tuned before installation?

    I did a quick search, so if I missed this info, I apologize.
    Any help is appreciated.

  2. #2
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    You can take your current tune, full flash it into your new PCM and be good to go. If your new PCM is Blue/Green connectors.

  3. #3
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    But can i install the computer and flash through the ob2 port or do I need to do it before it is installed?
    Thanks for the reply.

  4. #4
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    Woops. missed that part..

    Yea i havent had a issue flashing it like that thru the OBD port.

  5. #5
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    Awesome, thank you so much!

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