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Engine code639:9 on a 2008 International ProStar with Cummins

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Jktrucker, Sep 10, 2018.

  1. Sep 10, 2018 #1
    Jktrucker

    Jktrucker Bobtail Member

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    Sep 10, 2018
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    Sae 1939 datalink abnormal update rate.communication between ecm and another device on the sae 1939 data link has been lost. What does this code mean?
     
    Jktrucker, Sep 10, 2018
    Jktrucker, Sep 10, 2018
    #1
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  3. Sep 11, 2018 #2
    Jktrucker

    Jktrucker Bobtail Member

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    Sep 10, 2018
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    [ATTAC 20180910_131608.jpg H=full]244471[/ATTACH]
     
    Jktrucker, Sep 11, 2018
    Jktrucker, Sep 11, 2018
    #2
  4. Sep 11, 2018 #3
    fargonaz

    fargonaz Road Train Member

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    The code is too generic. You'll need to get an adapter and some software or take it to a shop with those items.

    Is the truck running OK, or is there a problem other than the error message?
     
    fargonaz, Sep 11, 2018
    fargonaz, Sep 11, 2018
    #3
  5. Sep 11, 2018 #4
    Heavyd

    Heavyd Road Train Member

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    ECM lost communication with another electronic device such as ABS, body controller or cluster.
     
    Heavyd, Sep 11, 2018
    Heavyd, Sep 11, 2018
    #4
    fargonaz and AModelCat Thank this.
  7. Sep 12, 2018 #5
    Jktrucker

    Jktrucker Bobtail Member

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    Sep 10, 2018
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    The truck seems to run fine but the engine warning light is on
     
    Jktrucker, Sep 12, 2018
    Jktrucker, Sep 12, 2018
    #5
  8. Sep 12, 2018 #6
    mitrucker

    mitrucker Road Train Member

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    Insert dynamite, light, and RUN
     
    mitrucker, Sep 12, 2018
    mitrucker, Sep 12, 2018
    #6
  9. Sep 12, 2018 #7
    Jktrucker

    Jktrucker Bobtail Member

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    Sep 10, 2018
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    Is it that bad
     
    Jktrucker, Sep 12, 2018
    Jktrucker, Sep 12, 2018
    #7
  10. Sep 12, 2018 #8
    mitrucker

    mitrucker Road Train Member

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    Lapeer, MI
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    It’s a Prostar. That one might be worth saving because it has a Cummins in it.
     
    mitrucker, Sep 12, 2018
    mitrucker, Sep 12, 2018
    #8
    fargonaz Thanks this.
  11. Sep 12, 2018 #9
    AModelCat

    AModelCat Road Train Member

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    You've got a datalink/module issue. Basically the engine ECM is having communication issues with another module in the truck.
     
    AModelCat, Sep 12, 2018
    AModelCat, Sep 12, 2018
    #9
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