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Thread: VAT removed from 12587603 bin, still no start from 5.3 engine

  1. #16
    Fuel Injected! ralmo94's Avatar
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    A quick google search produced an XDF from pcmhacking.net
    Here is a link to it
    https://pcmhacking.net/forums/downlo...ad2fdcc7d53f7b
    It was posted aug of this year, with no reports of anyone using it, but it may be helpful to compare with UP for sanity checks
    Hope that helps
    No need to re-invent the wheel. But we can make it better

  2. #17
    Carb and Points!
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    hi i am working on a 1993 c1500

  3. #18
    Fuel Injected! ralmo94's Avatar
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    Quote Originally Posted by ric View Post
    hi i am working on a 1993 c1500
    I seen your other post,
    Have you disabled VATs?
    Is the file on your p59 a match for engine and transmission?
    Have to be careful if p59 was drive by wire, DBW pcm's from what I have read do not have an IAC driver, and if you flash a DBC bin to one it can brick it.

    Best to use the file in your pcm to avoid bricking, safest anyway. You can do segment swaps if you need different engine or transmission.
    Here is a video I made of how to disable vats with universal patcher.
    Universal Patcher is available here
    http://www.gearhead-efi.com/Fuel-Inj...versal-Patcher
    No need to re-invent the wheel. But we can make it better

  4. #19
    Carb and Points!
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    THANKS I have changed what was on the video and will try to start it today

  5. #20
    Fuel Injected! Pulse_GTO's Avatar
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    The file you posted is not from a 2005, but from a 2006 truck. It has OS 12587811, I'm attaching an XDF for it, just remember to copy the GM-P01-P59-checksum-plugin.dll file to your "Plugins" folder in the Tunerpro directory.

    It's a good thing that you are going drive by wire as the 12589162 PCM does not have the IAC driver installed and would not be able to work in a drive by cable application. There is a write up on how o add the driver, but with how cheap these PCMs are I would rather pick up one that already has it.
    Attached Files Attached Files

  6. #21
    Fuel Injected!
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    Sorry, off topic a bit,
    Didn't I read somewhere that 12587811 has some anomaly that puts it in power reduction mode and kills the throttle? I don't remember the details but would like to play with it on the bench. I could be wrong on which OS it was, but was a DBW p59 '06 or '07 I think.
    Last edited by In-Tech; 11-27-2022 at 10:15 PM.
    -Carl

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