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Thread: CM850 Support

  1. #1
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    Default CM850 Support

    Do you plan on supporting the CM850 in the near future?

  2. #2
    Forum tyhee Site Admin GMPX's Avatar
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    We will be working our way back to the older ones once the dust has settled on the more current ECM's.
    Probably the CM870 and CM875 will not be done as they both use Cummins 'old' comms spec, I think the CM850 was the first of the newer comms spec we can talk to.
    But they will be many months off, don't expect anything in the first quarter of 2018.
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  3. #3
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    Any Update on the CM850s?? I've got one I need to tune before spring time.
    Thanks,
    Dominic


    Quote Originally Posted by GMPX View Post
    We will be working our way back to the older ones once the dust has settled on the more current ECM's.
    Probably the CM870 and CM875 will not be done as they both use Cummins 'old' comms spec, I think the CM850 was the first of the newer comms spec we can talk to.
    But they will be many months off, don't expect anything in the first quarter of 2018.
    06 SCLB. Built 48re, ATS Twin cp3, 369sxe, Fass 220, Hamilton 188/220, 110# springs, 100% over's, ARP 625's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc..
    Tenacity Tuning
    Facbook.com/tenacitytuning
    TenacityTuning.com

  4. #4
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    So I can get the file to read, but after the ignition time out when I go to save the file I get a pop up that reads
    "Efilive has detected unknown changes in the file that is being opened. Invailid chip address."
    Has anyone else successfully read out a cm850?
    Thanks,
    Dominic
    06 SCLB. Built 48re, ATS Twin cp3, 369sxe, Fass 220, Hamilton 188/220, 110# springs, 100% over's, ARP 625's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc..
    Tenacity Tuning
    Facbook.com/tenacitytuning
    TenacityTuning.com

  5. #5
    Forum tyhee Site Admin GMPX's Avatar
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    Dominic, are you using the current public release here:
    http://www.efilive.com/latest/octobe...ublic-release/

    We've had a few CM850 reads sent in so yes it does work.
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  6. #6
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    I did try with the latest public release but I forgot to update my firmware. I'm going to try and read it out again tomorrow with the updated firmware to be sure. I'll send in the read when I get it.
    Thanks,
    Dominic
    06 SCLB. Built 48re, ATS Twin cp3, 369sxe, Fass 220, Hamilton 188/220, 110# springs, 100% over's, ARP 625's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc..
    Tenacity Tuning
    Facbook.com/tenacitytuning
    TenacityTuning.com

  7. #7
    Forum tyhee Site Admin GMPX's Avatar
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    No problem, thanks Dominic. Please keep in mind we don't actually offer editing for this ECM at the moment, people are either using EFILive to flash existing tunes in or editing the file outside of EFILive.
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  8. #8
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    @GMPX do you have an ETA for file editing with Efi-Live? I don't plan on tuning the truck until the spring, I just wanted to read the file out and get started before the boat is put up for the winter.
    06 SCLB. Built 48re, ATS Twin cp3, 369sxe, Fass 220, Hamilton 188/220, 110# springs, 100% over's, ARP 625's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc..
    Tenacity Tuning
    Facbook.com/tenacitytuning
    TenacityTuning.com

  9. #9
    Forum tyhee Site Admin GMPX's Avatar
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    None of these older Cummins ECM's will be put in the current V7 software, they are waiting for the V8 editor which currently is in limbo for a variety of reasons. At a guess maybe Q2 or Q3 next year perhaps.
    Need official EFILive help, please go here.
    For tuning support please post your questions on this forum (or other auto forums).
    Sorry if I don't respond to your PM, don't take it personal.


  10. #10
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    I sure hope it's out sooner than later. I would much rather use your editor than Calterm.
    06 SCLB. Built 48re, ATS Twin cp3, 369sxe, Fass 220, Hamilton 188/220, 110# springs, 100% over's, ARP 625's, Big valve head, .40 over, 12v rods, balanced rotating assembly. etc..
    Tenacity Tuning
    Facbook.com/tenacitytuning
    TenacityTuning.com

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