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18 Navistar

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by ojavery, Mar 19, 2018.

  1. Mar 19, 2018 #1
    ojavery

    ojavery Bobtail Member

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    Mar 19, 2018
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    I'm new to the forum and was hoping for a little help, I don't have much info on these yet
    I have an 18 Navistar with a couple codes, was looking for a little direction, 1569:31 and 3516:4
     
    ojavery, Mar 19, 2018
    ojavery, Mar 19, 2018
    #1
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  3. Mar 19, 2018 #2
    Heavyd

    Heavyd Road Train Member

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    Model of truck and what engine you have is also needed.
     
    Heavyd, Mar 19, 2018
    Heavyd, Mar 19, 2018
    #2
  4. Mar 19, 2018 #3
    ojavery

    ojavery Bobtail Member

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    Mar 19, 2018
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    sorry, rookie mistake , 7600 with a n13 engine
     
    ojavery, Mar 19, 2018
    ojavery, Mar 19, 2018
    #3
  5. Mar 19, 2018 #4
    Heavyd

    Heavyd Road Train Member

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    3516-4 is for your DEF quality sensor out of range low, failed sensor. If the code is active you likely need a need a new sensor. This is a combo sensor that is built into the level sensor for the DEF tank. They are somewhat a high failure rate item.

    1569-31 is logged when you ignore the first code for too long and indicates your truck will be derated.
     
    Heavyd, Mar 19, 2018
    Heavyd, Mar 19, 2018
    #4
    Oxbow Thanks this.
  7. Mar 20, 2018 #5
    ojavery

    ojavery Bobtail Member

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    thanks heavyd, it only had 13k miles on it so they kicked it out of here to the dealer. I also found out there was a ecm update recall that was ignored having to do with this issue as well.
     
    ojavery, Mar 20, 2018
    ojavery, Mar 20, 2018
    #5
    Heavyd Thanks this.
  8. Mar 21, 2018 #6
    Heavyd

    Heavyd Road Train Member

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    That is good. I was going to ask you to check it for warranty.
     
    Heavyd, Mar 21, 2018
    Heavyd, Mar 21, 2018
    #6
    ojavery Thanks this.
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