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    I'm not sure if that sequence will help or not....

    I'm not sure if that sequence will help or not. Perhaps someone with more experience can comment there.

    My situation was a dead ECM from a hung DSP tune load. I had a brand new(or what I thought...
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    Just to officially close this posting thread. For...

    Just to officially close this posting thread. For others that have this same situation with their security light being on.

    The GM dealership had to re-sync my BCM and ECM module to turn the light...
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    Can you clarify for me what's meant by 'as read'...

    Can you clarify for me what's meant by 'as read' file? Do you mean the current stock tune file as loaded in my current ECM?

    Thanks
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    The DSP5 tune had G0301 set to enable. Truck ran...

    The DSP5 tune had G0301 set to enable. Truck ran fine. Stock tune was loaded with G0301 set to enable. Ran fine. Stock tune changed to G0301 set to disable. Truck ran fine. Security light on in all...
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    So is it possible that the process of the DSP5...

    So is it possible that the process of the DSP5 full flash corrupting my original ECM also affected the BCM control module?

    Can a Tech 2 machine correct this?

    Looks like I'm headed to the dealer...
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    That was one thing I forgot to mention. Yes I did...

    That was one thing I forgot to mention. Yes I did just do a full flash update back to the original stock tune (including setting code G0301 to disable). The truck runs fine currently. Just the light...
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    $Cash To Someone That Can Help Me

    Ok, this is no joke or scam here. I'm going to try this option first before I take my truck to the dealer and pay them to help me resolve. I'm willing to send the person $50 if you help me fix my...
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    I have done the full flash in the past with a...

    I have done the full flash in the past with a single tune with no problems. It was only this time with the DSP5 tune and me upgrading to the new EFI Live version.
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    Yes it allows me to get past the warning section...

    Yes it allows me to get past the warning section but then it rejects the bootlegger strap? portion. It stops there.

    When I tried the full flash the 1st time it got to 9K and hung at the "retrying...
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    Well unfortunately I tried this an no luck. Still...

    Well unfortunately I tried this an no luck. Still says the ECM is in an unknown state. It's missing the calibration. Any other ideas?

    EFI Live gave me the warning not to interupt the full flash...
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    Trouble loading DSP5 Tune

    I made a mistake when loading my DSP5 tune as I did not load it using the full flash mode. When driving I could not switch the tunes. Was just set on one tune only. When I went to do the full flash I...
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