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Thread: Identify ECU help

  1. #1
    Senior Tuner kingtal0n's Avatar
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    Identify ECU help

    Friend sent me this picture,
    ecu1.jpg

    Not sure what kind of computer this is.
    It's blue / green plugs

    I think 2004 or 2006 range

    Main question is: Will this computer work for 4l80e, 2-bar OS

    thanks

  2. #2
    Tuning Addict 5FDP's Avatar
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    I came up with a 2004 computer from something with a V8 obviously. So like a Tahoe/Avalanche/Silverado/Suburban.

    It should support an OS upgrade and a 4L80e swap. You need to plug it in and read the file to see what factory operating system is in it and see what the OS tab says and what OS number it has for the 4L80e swap.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  3. #3
    Senior Tuner kingtal0n's Avatar
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    Quote Originally Posted by 5FDP View Post
    I came up with a 2004 computer from something with a V8 obviously. So like a Tahoe/Avalanche/Silverado/Suburban.

    It should support an OS upgrade and a 4L80e swap. You need to plug it in and read the file to see what factory operating system is in it and see what the OS tab says and what OS number it has for the 4L80e swap.
    Thanks 5FDP !

    Am curious what the "#" is, like mine is a 411, this is a "242" ?

    I realize now it's only half the battle because the OS version,
    Understood about the OS will connect and correct
    Thanks again

  4. #4
    Tuning Addict 5FDP's Avatar
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    It's a P59 computer, that's about all I could tell you.

    I always call 411's the P01's from 99-02.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.

  5. #5
    Senior Tuner kingtal0n's Avatar
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    I hope it will take 150lb/hr like the 411!

  6. #6
    Tuning Addict 5FDP's Avatar
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    P01's and P59's still go up to 254lb/hr.

    The P59's have much worse VE resolution though. They go up by 10's and then 20's on the 3 bar.

    The P01's usually went up by 5's if I remember right, the tables were much much larger. It's really not a huge deal, people tune them just fine.
    Last edited by 5FDP; 03-05-2021 at 11:06 PM.
    2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.

    If you don't post your tune and logs when you have questions you aren't helping yourself.