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Thread: Opensource LS Flashing(It's Closer Than You Think)

  1. #106
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    Version 5 is out:

    https://github.com/LegacyNsfw/PcmHac.../2019.02.09.01

    A couple people reported that the app wasn't working with their AVT interfaces, and this release fixes those issues. Reads and writes with AVTs got a little faster, too.

  2. #107
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    I'll apologize in advance for a generic copy/paste here but I've got a lot of forums and groups to update still.

    Ls Droid is now in open beta....
    Currently only read is enabled for the P01/P59, 98-05 V6(exact coverage unknown) and the 2001 -2004 LB7.

    Once I'm confident there aren't any major hiccups I will enable ALL forms or write on the P01 and P59. V6 and Lb7 flash are still in the development stage.

    This is the last version of the app you'll ever need. All future updates can be done from within the app. As the app is updated things may change that you don't like So I've decided to make avaible ALL previous versions of Ls Droid that are stable from this point on and can also be downloaded from with in the app.

    For those that are feeling daring I've also included the P01/P59 Alpha Write version(Can be downloaded from with in the Beta app) This version was in testing for the last 4 months and only had a couple of users run into issues BUT I would strongly advise against using it on your daily driver as it does have some bugs.... and does not play nice with some vehicles. I am no longer offering support for this version of the app so if you run into trouble with it your going to be on your own.

    Ls Droid is currently ONLY compatible with the Obdlink Lx, Mx and Mx+ Bluetooth devices. However a new tool will be supported in the near future that is more then 4x's faster then any of the Obdlink devices and also costs a bit less less :)

    LsDroidBetaRelease.jpg

    You can email me about any bugs or issues you run into.....
    feedback@ls-droid.com

  3. #108
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    Right on, Pete!

  4. #109
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    PCM Hammer Release 6 is out: https://github.com/LegacyNsfw/PcmHac.../2019.06.22.01

    There's now a "Write OS and Calibration" button that replaces everything but the parameter blocks, which is useful if you want to update the operating system in your vehicle. Leaving the parameter blocks unchanged means the PCM will still be recognized by the other devices in your car.

    If you want to replace your PCM, do a full read from the current/old PCM, then "Write OS and Calibration" then "Write Parameters (Clone)" to the new PCM. The entire flash memory of the new PCM will then be completely identical to that of the old PCM.

  5. #110
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    Will a Tractrix open port 2.0 cable work for this? Just bought one to tune me Subaru.

    If not can someone make a cables for dummies post so I know what to order.

    The link to the Allpro usb board just confuses me.

    OBDlink the easy solution for a PC language challenged tuner?
    89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
    95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
    05 Outback XT 2.5L turbo gas auto

  6. #111
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    Now that the Allpro device is no longer available, what's the best device out there? OBDiag.net no longer sells that tool, apparently.

  7. #112
    LT1 specialist steveo's Avatar
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    i'm just learning about this stuff (quickly) but for trying out these new free flash tools, right now probably got two options..

    obdlink (bout $50 buy it on amazon) works with everything, not the fastest thing ever
    avt852 (bout $300) fastest most reliable and overpriced thing ever, hard to get i think

    i've heard a pretty reliable rumor something really nice might be coming out soon in the price range of an obdlink. if you're not in a huge rush and like to gamble maybe wait and see if that happens. the guy working on it is so stubborn that its unlikely it wont happen, just not sure of timing.

  8. #113
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    Quote Originally Posted by steveo View Post
    i'm just learning about this stuff (quickly) but for trying out these new free flash tools, right now probably got two options..

    obdlink (bout $50 buy it on amazon) works with everything, not the fastest thing ever
    avt852 (bout $300) fastest most reliable and overpriced thing ever, hard to get i think

    i've heard a pretty reliable rumor something really nice might be coming out soon in the price range of an obdlink. if you're not in a huge rush and like to gamble maybe wait and see if that happens. the guy working on it is so stubborn that its unlikely it wont happen, just not sure of timing.
    That's a great summary of where we're at right now.

    I've got a prototype of the rumored interface and it works great. I'm sure it's going to be the best option when it becomes available. I don't think there's an ETA for that, though. Last I heard, the guys behind it were still refining the design and working out how to get them produced in volume.

    If you have a car you want to tune now, I'd say get the ObdLink and go for it. It works fine, you'll just get faster flashes if you buy the new interface later.

    I'm not sure about the Tactrix, but if you have one, give it a try. They definitely support the J2534 standard, so the app should be able to talk to the device, but I don't know whether they support the VPW standard, so the device may or may not be able to talk to the PCM. Easy to test though - if "read properties" works, try a test write, and if that goes smoothly, you're good. I've been meaning to try it myself, but I don't know where mine is.

  9. #114
    Fuel Injected! brian617's Avatar
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    I'll give the Tractix a try, need to build a bench harness first. If that doesn't work I'm in no hurry and will wait.

    Thanks Guys
    89 K1500 Scottsdale 5.7L 5spd 3:42 RamJet cam Dart iron TBI heads 427 PCM swap
    95 C2500 Cheyenne 6.5L turbo diesel 4L80e 4:10 DB2-4911 Manual pump conversion 0411 PCM trans control 2Bar COS
    05 Outback XT 2.5L turbo gas auto

  10. #115
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    I am going to work towards trying this. My computer that I use for tuning doesn’t have Bluetooth. I see there are several OBDLink units available. I see one that is OBDLink USB. Just to make sure, that one will work, right?
    6395, BHDF, 7.4 BBC lightly modded now 6395 BMHM back to BHDF

  11. #116
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    The OBDLink SX is USB-only, and it is supported.

    You might also consider getting the LX and a USB bluetooth adapter. I haven't tried that myself, but it should work just as well, and there are a bunch of adapters on Amazon for $10-$15 shipped.

    All features work with all interfaces, the only difference is speed. This table is overdue for a refresh, but it gives you a rough idea of what to expect:
    https://github.com/LegacyNsfw/PcmHac...nd-Write-Times

    The "DVI" row of that table is the one that's still being developed.

  12. #117
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    I have an SX cable and it takes me right at 50 minutes to read an 0411, haven't tried a full flash yet. I wished I knew how to make my TECH 2 work with it as that would flash ALOT faster.
    1995 GMC K2500 SUBURBAN 2001 LB7 DURAMAX/ALLISON swap, mostly stock, tuned by me with EFILive

    1999 Tahoe 2 door 2X4, 5.7l with 0411 swap, and marine intake

  13. #118
    LT1 specialist steveo's Avatar
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    Quote Originally Posted by THEFERMANATOR View Post
    I have an SX cable and it takes me right at 50 minutes to read an 0411, haven't tried a full flash yet. I wished I knew how to make my TECH 2 work with it as that would flash ALOT faster.
    but how long just for the calibration?

    ...how often do you really need to flash more than the calibration?

  14. #119
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    Calibration write with the SX is about four and a half minutes. Full OS write is something that you might never need, or might want to do once or twice - for example if you want to swap in a PCM that came from another car. Or if we start making progress on an open source custom OS, and come up with something useful. :)

  15. #120
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    NSFW!

    Just wanted to say !!Thank You!! for the work you (and others) have done to get this latest version of PCM Hammer out into the wild. I've been distracted with other stuff, but will get a chance soon to test this and I will report back.

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