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Thread: LS1 Flash Tool Released

  1. #31
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    Okay,finally got a chance to try it out.
    No issues on an 0411,a V6 pcm didn't unlock but did read cal/OS info iirc.
    I did want to post up that this will not work using an AVT-838 though.
    I got my AVT boxes mixed up,really wanted to keep my old serial box hooked up to my shop computer/bench harness.
    But the old box wouldn't reset/initialize using this tool.
    The new USB 85x box hooked right up and no issues though.

    I still have a couple pcm's to run through,and i'll post up the info from them as well as the V6 pcm that didn't work.
    (it's one of the bastard 98's)

  2. #32
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    Ive updated to v1.03, added some more duramax osids, fixed the user key function, and fixed the handling of a seed response asking the tool too delay and retry.
    Theres not much I can do to support the AVT-838 as I dont have one and I cant justify the time it'll take, sorry.

  3. #33
    Fuel Injected! T-Rex's Avatar
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    A tool that would allow you to edit the CVNs back to stock would be awesome.

  4. #34
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    If you mean something that can fudge the tune to make the data match the original checksum, then sorry no. A flash tool should not edit the tune, only read and write what you supply.

  5. #35
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    v1.04 has been released. A few fixes for LB7 duramax.

  6. #36
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    Quote Originally Posted by antus View Post
    thanks, will have a look at it.

    Have released V1.02, with support for 1MB PCMs. Testing reports welcome.
    Excellent. Will update shortly.

  7. #37
    Fuel Injected! Lextech's Avatar
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    Quote Originally Posted by Lextech View Post
    I updated to V1.02 and just read a 2007 LS1b 1mb PCM. Works PERFECT. Thank you for the update and the SEED/KEY addition.

    Jeff
    I may have spoke too soon. I tried to open that bin in Tunercat and EFILive and HPTuners and it won't open---says it is corrupt. So, I read the same PCM out in Tunercat and saved it as .bin. Then I opened it in HexWorkshop and did a compare. The LS1Flash bin only went up to address 80000
    98 GMC RCSB, 5.0, 4L80e, Moser M60, 4.10 gear, Homemade twin turbo w/Junkyard T3 turbos, 24x CNP, 12200411 PCM.

  8. #38
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    Whats the OSID and the Service number of that pcm? I added the OSIDs for the 1Mb PCMs that I knew about but it looks like there are more to add.

  9. #39
    Fuel Injected! Lextech's Avatar
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    Quote Originally Posted by antus View Post
    Whats the OSID and the Service number of that pcm? I added the OSIDs for the 1Mb PCMs that I knew about but it looks like there are more to add.
    It is a 2004 calibration with OSID# 12587603. I didn't make the last post as a complaint. I am very excited about your Flash Tool.

    Jeff
    98 GMC RCSB, 5.0, 4L80e, Moser M60, 4.10 gear, Homemade twin turbo w/Junkyard T3 turbos, 24x CNP, 12200411 PCM.

  10. #40
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    Ok thanks for that. Appreciate the info, I dont have one of those PCMs so its your report that gets it added. Ive attached a 1.05 beta to this post (will remove it later). It has that pcm type included as a 1Mb, if you can test and let me know that would be great.

    Write is still progressing, too, and things are looking good.

    edit: beta removed
    Last edited by antus; 08-05-2013 at 12:35 AM.

  11. #41
    Fuel Injected! Lextech's Avatar
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    I just tried to read with V1.05. When I click on "Identify PCM" I get an error message "Failed to Read Block10"
    Here is the .bin from that PCM read out with Tunercat. It is a 2007 PCM #12602801 with a 2004 calibration OSID #12587603

    Jeff
    Attached Files Attached Files
    98 GMC RCSB, 5.0, 4L80e, Moser M60, 4.10 gear, Homemade twin turbo w/Junkyard T3 turbos, 24x CNP, 12200411 PCM.

  12. #42
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    Is the connection to the pcm ok, ignition power on? Thats what it'll say if it can talk to the avt but the pcm isnt replying (block 10 is the first thing it tries to read).

  13. #43
    Fuel Injected! Lextech's Avatar
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    I just got into work. I won't be able to check it for about 10 hrs. I will try it again tonight.

    Jeff
    98 GMC RCSB, 5.0, 4L80e, Moser M60, 4.10 gear, Homemade twin turbo w/Junkyard T3 turbos, 24x CNP, 12200411 PCM.

  14. #44
    Fuel Injected! Lextech's Avatar
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    V1.05 works great. The problem was on my end----Sorry about that. I did have a bad connection. A connector was not fully seated.

    Jeff
    98 GMC RCSB, 5.0, 4L80e, Moser M60, 4.10 gear, Homemade twin turbo w/Junkyard T3 turbos, 24x CNP, 12200411 PCM.

  15. #45
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    Excellent, thanks for the report

    I think I might add a usability tweak and put an error about check your connections in, instead of just "failed to read block 10" which is not so clear.

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