Cat trouble codes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by underpsi, Feb 5, 2009.

  1. Moving on Down the Road

    Moving on Down the Road Light Load Member

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    Mar 6, 2010
    KY
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    Do you know what the 12 fault code is or know where I can find what the fault codes mean? I have found several but none that just list one particular code. I would appreciate it.
     
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  3. pullingtrucker

    pullingtrucker Road Train Member

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    Dec 21, 2008
    Fostoria, Ohio
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    Code 12 is the coolant level sensor fault. Could be that the coolant is low or the sensor is needing cleaned/replaced. If you have a CAT operation manual the codes will be listed in there.
     
  4. dennisthomasokc

    dennisthomasokc Bobtail Member

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    Nov 16, 2010
    edmond oklahoma
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    i have a 2004 mbn. just put ecm off a 2000 model with serial# 6nz27647. tach wont work, engine fan wont turn on and cruise control switch is backwards. what do i need to do?
     
  5. gonzo01

    gonzo01 Light Load Member

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    Jun 14, 2010
    denver, co
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    Hey underpsi, please send me that link
     
  6. DonL

    DonL Bobtail Member

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    Jun 8, 2009
    Creemore, Canada
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    What was used to get the fault codes?
    Are any of them active?

    The reason I ask is the codes are all over the place, assuming they are PID-FMI

    179-2 is Rear axle weight Data interm. or Incorrect
    175-5 is Oil Temp open circuit
    135-12 Extended Fuel Pressure Bad Device or Component
    32-00 Transmission Splitter Position out of range
    192-0 Bad message

    I would concentrate only on active codes at this time or print then erase the codes and test drive to see what comes up.
     
  7. underpsi

    underpsi Road Train Member

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    Sep 18, 2008
    Toronto, Ont
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    This is an old thread, I don't remember what ended up being the problem now.
     
  8. DonL

    DonL Bobtail Member

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    Jun 8, 2009
    Creemore, Canada
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    OK.. How can I tell the date a message was posted on so I don't reply to old posts? I looked all over the header and all I see is Last Seen which could have been a few moments before I logged in.... Any help would be appreciated as I only visit this forum a few times a week so it is hard to track new and old posts without a date posted line.

    I am probably missing something obvious :biggrin_2551:
     
  9. josh.c

    josh.c Road Train Member

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    Feb 22, 2009
    Knoxville, Tn
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    You are, but lots of folks do the same. It's in the upper left hand corner of each post.
     
  10. gonzo01

    gonzo01 Light Load Member

    74
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    Jun 14, 2010
    denver, co
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    Hey UnderPSI would you please send me that link that list the codes
    gonzojj@live.com

    thx
     
  11. DonL

    DonL Bobtail Member

    10
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    Jun 8, 2009
    Creemore, Canada
    0
    I sent them to you too... If you have any questions, feel free to PM me.
     
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