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Thread: 2000 blazer lq9 swap vin# change

  1. #1
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    Default 2000 blazer lq9 swap vin# change

    Hi i am a newbie to this site, i would like to swap a gen3 lq9 into my 2000 blazer
    but would like to know if i can reprogram the lq9 pcm (gm 411) with the origainal
    vin# to the blazer it has the 4.3 vortec, if it can be changed will it keep the swaped engines tune. thanks

  2. #2
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    Default

    Yes and Yes if you have a V2

  3. #3
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    thanks

  4. #4
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    Unlike the other main tuning suite, EFILive licenses the actual PCM/ECM/TCMs serial number to the V1/V2 cable. You can put whatever VIN you want into the computer, doesnt matter. I would keep it as close as you can to the original truck to make sure the appropriate enhanced and GM PIDs are selected when you connect to the controller.

    You could actually do that with a V1 too...
    ~Erik~
    2013 Sonic RS Manual - 1.4L I4T E78, tuned, turbo mods, etc.
    2008 TrailBlazer SS 3SS AWD Summit White - LS2 E67/T42, bolt ons, suspension, etc.
    2002 Chevy TrailBlazer LT 4X4 Summit White - 4.2L I6 P10, lifted, wheels, etc.

  5. #5
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    as far as i know i have to have the blazer vin # stored on the pcm,or i will fail nys inspection. Will this effect the v8 progrmming?

  6. #6
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    The VIN stored in the PCM will have no effect on any programming you undertake using EFILive software. The VIN may have an effect on the Scan Tool defaults - but you can manually configure these if necessary.


    Regards,
    Taz

  7. #7
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    cool, thats what i wanted to hear

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