What is Fault Code 12? Peterbilt c-15 CAT

Discussion in 'Peterbilt Forum' started by rocknroll13, Dec 13, 2011.

  1. Dec 13, 2011 #1
    rocknroll13

    rocknroll13 Bobtail Member

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    Dec 13, 2011
    murrieta ca
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    2005 peterbilt c-15 cat...getting a fault code 12....wat is a fault code 12?
     
    rocknroll13, Dec 13, 2011
    rocknroll13, Dec 13, 2011
    #1
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  3. Dec 13, 2011 #2
    Sparkz

    Sparkz Light Load Member

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    Jul 10, 2011
    New Zealand
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    I think it is a fault with the coolant level sensor.
     
    Sparkz, Dec 13, 2011
    Sparkz, Dec 13, 2011
    #2
  4. Dec 13, 2011 #3
    dieseldawg

    dieseldawg Bobtail Member

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    Dec 12, 2011
    0
    coolant level fault
     
    dieseldawg, Dec 13, 2011
    dieseldawg, Dec 13, 2011
    #3
  5. Dec 15, 2011 #4
    Shade Tree

    Shade Tree Light Load Member

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    May 15, 2011
    Galloway Ohio
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    That is common with Pete's, usually from moisture. You can get the coolant level set at default in the ECM, but unhook the sensor and just monitor the level yourself.
     
    Shade Tree, Dec 15, 2011
    Shade Tree, Dec 15, 2011
    #4
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