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kenworth t660 2010 doesn't respond to throttle

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Zeta2023, Dec 7, 2023.

  1. Dec 7, 2023 #1
    Zeta2023

    Zeta2023 Bobtail Member

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    Dec 7, 2023
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    My Truck Kenworth T660 2010 is in gear but doesn't respond to throttle. When Truck is in Neutral, than throttle is working fine and has respond.
    Transmission auto Eaton 10speed
     
    Zeta2023, Dec 7, 2023
    Zeta2023, Dec 7, 2023
    #1
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  3. Dec 7, 2023 #2
    JB7

    JB7 Medium Load Member

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    See if you have any codes per the attachment. Does the truck move at all when in gear and idling?
    Don't forget the thumbs up/ Thank icon.
     

    Attached Files:

    JB7, Dec 7, 2023
    JB7, Dec 7, 2023
    #2
    Zeta2023 Thanks this.
  4. Dec 11, 2023 #3
    Zeta2023

    Zeta2023 Bobtail Member

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    Have Active Code

    Rail Position Sensor PID 60 FMI 2
     
    Zeta2023, Dec 11, 2023
    Zeta2023, Dec 11, 2023
    #3
  5. Dec 11, 2023 #4
    JB7

    JB7 Medium Load Member

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    See attached. The x-y shifter with the sensors is on top of the transmission.
     

    Attached Files:

    JB7, Dec 11, 2023
    JB7, Dec 11, 2023
    #4
    Zeta2023 Thanks this.
  7. Dec 11, 2023 #5
    Zeta2023

    Zeta2023 Bobtail Member

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    I replaced the transmission harness and all codes are gone except one .
    Now I have this code
    SID 54 FMI 5
    I am afraid that I have to replace the Inertia Brake. Any suggestions on this one ?
    Thank you again for previous replies, your help is very appreciated!
     
    Zeta2023, Dec 11, 2023
    Zeta2023, Dec 11, 2023
    #5
    JB7 Thanks this.
  8. Dec 12, 2023 #6
    JB7

    JB7 Medium Load Member

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    You have an Ultrashift, Ultrashift PLUS came out in late 2009, mainly 2010. I tried to attach the whole file but it is too large. You can find it on the Eaton website.. SID 54, FMI 5 is Fault Code 44 and starts on page 160. See attached.
    Clear the code before you do any more troubleshooting or replace anything and see if it comes back. It may have set from the problems with the harness.
     

    Attached Files:

    Last edited: Dec 12, 2023
    JB7, Dec 12, 2023
    JB7, Dec 12, 2023
    #6
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