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Son 3364 def quality question

Discussion in 'Freightliner Forum' started by 3ARTransport, Apr 9, 2017.

Page 1 of 2
  1. Apr 9, 2017 #1
    3ARTransport

    3ARTransport Light Load Member

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    Feb 6, 2016
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    I have a 2011 cascadia that started throwing this code 3364 improper def quality. The first time it did this was with 3/4 def tank full. I stopped and bought a small pump and pumped out about 14 gallons. Refilled and did a parked Regen and blinking light stopped and truck seamed normal. So now I drive 345 miles and the truck is doing the same thing with def blinking light even with tank full. Three codes are active. Eec 61 Spn 3364 fail 2, eec 61 4364 fail 18 which is low nox sensor, and sfu 49 spn 520201 fail 03 witch I can't find much info on. Any remarks would be appreciated.thanks
     
    3ARTransport, Apr 9, 2017
    3ARTransport, Apr 9, 2017
    #1
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  3. Apr 10, 2017 #2
    mhyn

    mhyn Road Train Member

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    Dec 29, 2008
    Northridge, CA
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    I think you have bad def metering unit.. sfu 49 is from master switch field area(the 4 way flasher switch unit)....
     
    mhyn, Apr 10, 2017
    mhyn, Apr 10, 2017
    #2
  4. Apr 10, 2017 #3
    3ARTransport

    3ARTransport Light Load Member

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    Feb 6, 2016
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    Thanks, the mechanic I talked to said it's probably that. Other mechanic said just change def quality sensor. The only thing that bugs me is why it won't act up when doing parked Regen and been doing it going down the road. It's pretty fustrateing. Can you elaborate on the sfu code, which switch might it be. Thanks
     
    3ARTransport, Apr 10, 2017
    3ARTransport, Apr 10, 2017
    #3
  5. Apr 11, 2017 #4
    Emil Baran

    Emil Baran Light Load Member

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    Mar 9, 2016
    Cleveland,Ohio
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    Please keep us updated
     
    Emil Baran, Apr 11, 2017
    Emil Baran, Apr 11, 2017
    #4
  7. Apr 11, 2017 #5
    mhyn

    mhyn Road Train Member

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    Dec 29, 2008
    Northridge, CA
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    SPN 520201 FMI 03

    Steering wheel switch right -


    Voltage above normal or

    shorted to high source

    1. Steeering wheel


    switch harness is

    shorted to battery or

    open
     
    mhyn, Apr 11, 2017
    mhyn, Apr 11, 2017
    #5
  8. Apr 23, 2017 #6
    Plz help me 66

    Plz help me 66 Bobtail Member

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    Apr 23, 2017
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    I have a 2013 Cascadia and i am currently stuck on the side of the road here in Newfoundland. I am getting codes Spn 5246, Spn 4346, Spn 3364. I have derate to 5mph. Nearest freightliner dealership is 490 miles out in to St johns. Is there any way to bypass this until I get to dealership. I don't have the funds to cover the extremely expensive tow bill to St Johns
     
    Plz help me 66, Apr 23, 2017
    Plz help me 66, Apr 23, 2017
    #6
  9. Apr 23, 2017 #7
    uncleal13

    uncleal13 Road Train Member

    3,757
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    Apr 9, 2009
    Humboldt, Sk
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    5246 is just the derate code. 4346 is NOX Conversion efficiency low, 3364 is DEF quality low which is probably the cause.
    How many miles are on the truck, does it idle a lot?
    Best case, could be a bad sensor, clogged def Doser, def filter. Worst case the doc catalyst, the whole One-Box has to be changed.
    About the only way to skip the tow truck. Someone with Detroit's software DDDL 8 needs to reset the codes and do a forced regen. Then you could drive it in to the dealer. The same thing will happen again but you might get into shop before it goes to 5 mph.
     
    uncleal13, Apr 23, 2017
    uncleal13, Apr 23, 2017
    #7
  10. Apr 23, 2017 #8
    mhyn

    mhyn Road Train Member

    4,255
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    Dec 29, 2008
    Northridge, CA
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    try driving by pressed OVRD button . may work.
     
    mhyn, Apr 23, 2017
    mhyn, Apr 23, 2017
    #8
  11. Apr 23, 2017 #9
    3ARTransport

    3ARTransport Light Load Member

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    Feb 6, 2016
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    Hit the regen button on the dash. It might not work the first time. Just try it again, make shur you get a good 45 min Regen. Should get you down the road. Say a prayer and try it.
     
    3ARTransport, Apr 23, 2017
    3ARTransport, Apr 23, 2017
    #9
  12. Apr 24, 2017 #10
    Emil Baran

    Emil Baran Light Load Member

    57
    4
    Mar 9, 2016
    Cleveland,Ohio
    0
    Unplug speed sensor
     
    Emil Baran, Apr 24, 2017
    Emil Baran, Apr 24, 2017
    #10
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