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Sys 25 1548 fml 5

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by cwaldo, Mar 23, 2018.

  1. Mar 23, 2018 #1
    cwaldo

    cwaldo Bobtail Member

    6
    0
    Apr 24, 2017
    0
    I have 2012 cascadia and this code is on my dash without check engine or warning lights can someone help me find a answner
     
    cwaldo, Mar 23, 2018
    cwaldo, Mar 23, 2018
    #1
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  3. Mar 24, 2018 #2
    mhyn

    mhyn Road Train Member

    4,255
    4,515
    Dec 29, 2008
    Northridge, CA
    0
    F###ck it. don't pay attention on it. Could be HVAC related error...
     
    mhyn, Mar 24, 2018
    mhyn, Mar 24, 2018
    #2
  4. Nov 9, 2018 #3
    Upperdecker313

    Upperdecker313 Bobtail Member

    34
    9
    Oct 8, 2018
    0
    Mine just came on as well the same time I lost all air in the cab. Still getting air in the sleeper but now the fan level 8(max) is more like a level 4
     
    Upperdecker313, Nov 9, 2018
    Upperdecker313, Nov 9, 2018
    #3
  5. Nov 12, 2018 #4
    mhyn

    mhyn Road Train Member

    4,255
    4,515
    Dec 29, 2008
    Northridge, CA
    0
    SPN-1548 FMI 5 “HVAC DUCT TEMP”.
     
    mhyn, Nov 12, 2018
    mhyn, Nov 12, 2018
    #4
  7. Nov 12, 2018 #5
    Upperdecker313

    Upperdecker313 Bobtail Member

    34
    9
    Oct 8, 2018
    0
    Mine is actually code sys 25 SPN 523318, which is the blower motor I believe. Says it could be a rotor not moving freely or something like that, or the blower is just ######. I will have them check everything out though. Thank you
     
    Upperdecker313, Nov 12, 2018
    Upperdecker313, Nov 12, 2018
    #5
  8. Feb 2, 2020 #6
    m2Tim

    m2Tim Bobtail Member

    1
    0
    Feb 18, 2019
    0
    What was the resolve for this? This just popped up yesterday on me
     
    m2Tim, Feb 2, 2020
    m2Tim, Feb 2, 2020
    #6
  9. Mar 27, 2020 #8
    Team Brine

    Team Brine Bobtail Member

    1
    0
    Mar 27, 2020
    0
    So I have the sys 50 son 1548 fail 05 code as well but my blower wont shut off please help
     
    Team Brine, Mar 27, 2020
    Team Brine, Mar 27, 2020
    #8
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