Detroit Diesel ECM DDDEC IV

Discussion in 'Trucks [ Eighteen Wheelers ]' started by Clasix1055, Oct 18, 2016.

  1. Clasix1055

    Clasix1055 Even when I'm wrong I'm right

    998
    709
    Jan 26, 2012
    Toledo, Ohio
    0
    Just got refurbished ECM from Freightliner.....they said they copied the old one kept throwing some codes got it all straight but my cruise does not work....they say everything is on and working properly and the high idle works.....any ideas on what's wrong
     
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  3. 25(2)+2

    25(2)+2 Trucker Forum STAFF Staff Member

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    45,806
    Sep 18, 2006
    the road less travelled
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    Could be a bad switch on the clutch or any of the brake actuators, the Johnson bar has acted up on a few I have driven.
     
  4. Clasix1055

    Clasix1055 Even when I'm wrong I'm right

    998
    709
    Jan 26, 2012
    Toledo, Ohio
    0
    it was fine before the ECM change.....
     
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