C15 CAT question

Discussion in 'Peterbilt Forum' started by Pound Puppy, Mar 2, 2013.

  1. Pound Puppy

    Pound Puppy Heavy Load Member

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    May 31, 2010
    Amherst, OH
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    I just bought a 07 Pete 387with 475 CAT. The jake only comes on if I push on the brake. Can this be changed in the computer to come on like normal when I let off the accelerator?
     
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  3. JayTee

    JayTee Light Load Member

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    Feb 14, 2013
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    Turn off the cruise control switch and it should work fine.
     
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  4. carrkool

    carrkool Heavy Load Member

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    May 10, 2012
    adah, pa
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    Its in teh computer. It was programed that way. I have had many trucks like that. and shop that has the computer for a cat can fix it. takes about 2 minutes.
     
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  5. bubbanbrenda

    bubbanbrenda Road Train Member

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    Feb 27, 2011
    Middletown,Oh.
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    Have them change the jake setting to "Manual"
     
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