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'96 cat engine flash codes

Discussion in 'Trucks [ Eighteen Wheelers ]' started by slimwitkins, Dec 25, 2015.

  1. Dec 25, 2015 #1
    slimwitkins

    slimwitkins Bobtail Member

    3
    0
    Dec 25, 2015
    0
    Flash codes 2, 52, 61, 3 or 31. What do they mean? Think the 2 means start of flash codes. Can't find 52 anywhere. Don't know what 3 means.
     
    slimwitkins, Dec 25, 2015
    slimwitkins, Dec 25, 2015
    #1
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  3. Dec 25, 2015 #2
    SL3406

    SL3406 Medium Load Member

    550
    1,482
    Jan 10, 2011
    Oklahoma
    0
    31 loss of vehicle speed signal, 61 high coolant temp, There isn't a 52. 42 is cam sensor calibration, 62 is low coolant. There are no single digit codes like 2 or 3 either.
     
    SL3406, Dec 25, 2015
    SL3406, Dec 25, 2015
    #2
  4. Dec 25, 2015 #3
    josh polk

    josh polk Light Load Member

    142
    64
    Dec 20, 2015
    Bowie TX
    0
    Just FYI if u have the cat engin Manuel it has all the codes in it 99% trucks have one in it
     
    josh polk, Dec 25, 2015
    josh polk, Dec 25, 2015
    #3
  5. Dec 25, 2015 #4
    slimwitkins

    slimwitkins Bobtail Member

    3
    0
    Dec 25, 2015
    0
    Thank y'all. I figured out. The codes were actually 25, 26, and 13. The first place I read the way to run codes it said a 2 would flash before a codes start. The headhad recently been replaced. Somehow the boost pressure sensor had gotten plugged into the fuel temp sensor, so neither were hooked to the wiring to the ecm. I do need to know what sensor is between the middle and back valve covers on the driver's side.
     
    slimwitkins, Dec 25, 2015
    slimwitkins, Dec 25, 2015
    #4
  7. Dec 25, 2015 #5
    SAR

    SAR Road Train Member

    2,756
    36,654
    Nov 26, 2011
    ND
    0
    This might help you...

    http://ww2.justanswer.com/uploads/yellowman99/2010-05-10_232858_70_OEM.pdf
     
    SAR, Dec 25, 2015
    SAR, Dec 25, 2015
    #5
  8. Dec 26, 2015 #6
    swaan

    swaan Road Train Member

    2,942
    4,374
    Jul 12, 2009
    BC canada
    0
    The sensor your referring to is i believe to be your intake air temp sensor.

    Boost sensor is closer to front valve cover.
     
    swaan, Dec 26, 2015
    swaan, Dec 26, 2015
    #6
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