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Thread: ECM unlock

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    Md Jeff's Avatar

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    ECM unlock

    Once you unlock your ECM does it ever lock again? As in if you return your truck to stock will it have to be unlocked again to install a different tuner? The reason I ask is I have a BD on my truck now which I removed the unlock cable after install and I have purchased a MM3 from Ray and if it's not necessary to run the unlock cable permanently through the firewall I would like to avoid it.


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    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: ECM unlock

    Quote Originally Posted by Md Jeff View Post
    Once you unlock your ECM does it ever lock again? As in if you return your truck to stock will it have to be unlocked again to install a different tuner? The reason I ask is I have a BD on my truck now which I removed the unlock cable after install and I have purchased a MM3 from Ray and if it's not necessary to run the unlock cable permanently through the firewall I would like to avoid it.
    Let's ask Ray.

    @Double R Diesel

    "The grass is greener where you water it"


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  4. Top Of Page | #3
    DRD's Avatar

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    Re: ECM unlock

    Quote Originally Posted by Md Jeff View Post
    Once you unlock your ECM does it ever lock again? As in if you return your truck to stock will it have to be unlocked again to install a different tuner? The reason I ask is I have a BD on my truck now which I removed the unlock cable after install and I have purchased a MM3 from Ray and if it's not necessary to run the unlock cable permanently through the firewall I would like to avoid it.
    Cable must stay plugged in. It does more than unlock the ecm. It is the avenue in which the RT feature writes into the RAM of the ecm.

    Ray

    Owner and Calibration Specialist
    Double R Diesel
    www.doublerdiesel.com
    info@doublerdiesel.com

    The Cummins Whisperer! John 3:16, Romans 10:9-10...Tuning for the Heart and Soul.


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  6. Top Of Page | #4
    Md Jeff's Avatar

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    Re: ECM unlock

    Quote Originally Posted by Double R Diesel View Post
    Cable must stay plugged in. It does more than unlock the ecm. It is the avenue in which the RT feature writes into the RAM of the ecm.

    Ray

    Owner and Calibration Specialist
    Double R Diesel
    www.doublerdiesel.com
    info@doublerdiesel.com
    Thank you Sir

    Sent from my SM-G930V using Tapatalk


  7. Top Of Page | #5
    HKBIGDADDYDIESELDAN's Avatar

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    Re: ECM unlock

    Quote Originally Posted by Double R Diesel View Post
    Cable must stay plugged in. It does more than unlock the ecm. It is the avenue in which the RT feature writes into the RAM of the ecm.

    Ray

    Owner and Calibration Specialist
    Double R Diesel
    www.doublerdiesel.com
    info@doublerdiesel.com
    Once again Ray from DRD is on time and always with the right answers

    2012 Cummins Ram 6.7L MM3 tuner full 5" Flo Pro TBE Exhaust LWBCC 4x4 Mag Hytec Double Deep Transmission Pan , Mag Hytec Rear Diff Cover
    Airlift part # 57595 7500lbs airbags ,Nitto Ridge Grapplers 35/12.50/20 on XD 829 Big Hoss ll Satin Black Machined Dark Tint 20 x 9 with + 18 offset rims,MM3 Tuner With full Custom Tunes by Ray at DRD , Autometer A13117 Pillar Pod , Edge 98004 mount adapter , Mag Hytec front diff cover, SuperNova V4 LED Headlight Bulbs

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