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Thread: MM3 Tuner Directions?

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    TWN495's Avatar

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    MM3 Tuner Directions?

    So I just spent the last few hours installing my MM3 tuner, so all I have left is to download the tunes and install the exhaust.

    After I was all done and the thing fired up and timed out during an update, I read the directions.

    It appears I went out of order and plugged in the display last when I should have plugged in the OBD cable last.

    The display gets halfway through an update process, times out, and instructs me to unplug the OBD cable and try again.

    However, the same thing happens each time.

    I started to email Ray, but I thought I'd check with you gentlemen first.

    I appreciate any help you can provide.

    2016 Ram 2500 Laramie, CC SB, Thuren leveling kit, Toyo AT3 37/12.5x18s, Method NV HDs, 4.10 AAM gears, Airlift bags/compressor

  2. Thanks Corkey, IGOTACUMMINS thanked for this post
  3. Top Of Page | #2
    DRD's Avatar

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    Re: MM3 Tuner Directions?

    Unplug the tuner from the OBD port and walk away for a while.

    Then come back and plug it back in.

    Usually, that does the trick.

    God bless,
    Ray
    DRD

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


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    TWN495's Avatar

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    Re: MM3 Tuner Directions?

    Thanks for the quick reply; I'll give that a shot shortly.

    2016 Ram 2500 Laramie, CC SB, Thuren leveling kit, Toyo AT3 37/12.5x18s, Method NV HDs, 4.10 AAM gears, Airlift bags/compressor

  5. Thanks IGOTACUMMINS thanked for this post

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