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Thread: Where Did The Throttle Go?

  1. Top Of Page | #1
    rdsutton's Avatar

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    Where Did The Throttle Go?

    I hope someone else has solved my current issue?

    Have a 2014 3500 C&C with a 2019 DRD tune put on the MM3!

    The truck ran awesome, the throttle response, hesitation, dead pedal, whatever was gone after ECM had the new tune!

    Very happy for almost 2years till the truck lost the highly responsive throttle!

    I am now in the discovery of what happened to it?

    2 days ago, with the truck running, I opened up the MM3 main menu to look for a menu option or window to initiate any MM3 updates?

    I went to settings, opened up all sub menus then exited out to the main menu.

    Then I went to ECM and opened up all submenus and exited out!

    Now the not so sure happened, and in one of the above-listed menu options, I found a window with two green bar options.

    One for sure had the ECM the other had? DTS, I think?

    Anyway, the truck is still running. I selected the ECM green bar; the screen gave me the scrolling white box across the screen, then the msg complete?

    Then I selected the other green bar, the same thing as first!

    So I’m thinking all good... NOPE.

    I went to drive off, and the truck felt like it had the E brake on.

    I stopped, pulled the E brake, then tried again.

    Now The truck's throttle response is, IIRC, worse.

    I mean, way slower to respond than when I first drove it in 2019!

    Further down the road, now in the notice, I’m in a 65mph speed limit zone.

    I’m at 40mph! I push the throttle to the floor.

    It took me literally 15min to go from 40 to 65mph!

    To date, I have corresponded with Ray at DRD, and he referred me to MM3 support to help resolve the issue/problem?

    I have followed the DRD troubleshooting guide part that pertains to the loss of throttle response.

    I have tried to reprogram the file onto the truck x4 now.

    All 4 attempts to program the MM3 tune to the truck ECM was made successfully....i.e., the screen displayed scale bar for 0% to 100% and the msg program completed, and both icons in the LL corner of screen stayed green?

    I cycled the key as directed!

    The truck was driven after each program!

    I have checked for error codes, none yet, and No fix yet!

    Currently, I have reinstalled the STOCK ECM file, will let the truck set a day without starting it, and I have the EGR off only.

    I do not want to run a stock file and not have emissions on the truck?

    I will try to reinstall the DRD tune later today when my batteries are FULLY charged?

    Any questions, anything I have missed trying, any thoughts you may have to help me resolve this will be GREATLY appreciated.


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  3. Top Of Page | #2
    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Where Did The Throttle Go?

    So you updated the tuner?

    God bless,
    igotacummins

    "The grass is greener where you water it"


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  5. Top Of Page | #3
    rdsutton's Avatar

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    Re: Where Did The Throttle Go?

    Nothing got updated that I can see, but I did loose the throttle!


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  7. Top Of Page | #4
    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Where Did The Throttle Go?

    Quote Originally Posted by rdsutton View Post
    Nothing got updated that I can see, but I did loose the throttle!
    It sounds like the truck isn't programmed anymore.

    What did MM3 say?

    God bless,
    igotacummins

    "The grass is greener where you water it"


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  9. Top Of Page | #5
    rdsutton's Avatar

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    Re: Where Did The Throttle Go?

    Truck Currently has stock file in the ECM.

    MM3 walked me through the steps already mentioned above!

    My hope is DRD and MM3 will collaborate on it and get back to me on Monday with a workable solution?

    Today I will try to reprogram the DRD ECM file again.

    1 Question I have, what’s the possibility of one or both having a problem?

    A corrupt SD card and or MM3 box?

    Just saying!


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  11. Top Of Page | #6
    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Where Did The Throttle Go?

    If you have a corrupt SD card, you'd know, friend.

    God bless,
    igotacummins

    "The grass is greener where you water it"


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  13. Top Of Page | #7
    rdsutton's Avatar

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    Re: Where Did The Throttle Go?

    Big daddy sounds like you speak from experience!

    Care to elaborate?

    Thanks.


  14. Top Of Page | #8
    rdsutton's Avatar

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    Re: Where Did The Throttle Go?

    Big daddy did I start the thread in the right place?

    Did my explanation of the problem and questions I’m having with the tuner not have enough information?

    Thanks


  15. Top Of Page | #9
    WE WILL STAND! IGOTACUMMINS's Avatar

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    Re: Where Did The Throttle Go?

    If your SD card crashed, you'd have an error.

    Also, yes, you posted in the right area.

    God bless,
    igotacummins

    "The grass is greener where you water it"


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