Just got SPN 4364 FMI 18 code (2024)

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1. Sep 15, 2019#1

   Longhaul53Bobtail Member

   25

   2

   Nov 7, 2013

   0

   I’m sure a lot of people have gotten this code before, and I wanted to know if it’s worth going thru all the trouble and most importantly money/time to get this fixed or if it’s better to start looking to sell the equipment and get another newer truck. I’ve got a 2015 Cascadia Evolution automatic smart shift, and it’s a great and convenient truck, but this nox problem I heard is notorious among these Detroit engines. I want to hear your thoughts.

   Thanks,
   LongHaul53

   Longhaul53,Sep 15, 2019

   Longhaul53,Sep 15, 2019

   #1

2. 

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3. Sep 15, 2019#2

   201Road Train Member

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   Apr 16, 2014

   high plains colorado

   0

   Piece of black tape over the light,,,I'm sorry, people have called me a troll for comments like that, nothing could be further from the truth. I really have no idea and can't for the life of me understand why you people put up with that junk. I get "Truck Paper" notifications all the time, there was a '78 KW W900, day cab, 400 BC , 13, and air ride, in great shape, asking $15g's. Why would someone spend 10 times that for a modern POS?

   201,Sep 15, 2019

   See Also

   Complete Cummins Fault Codes List (Cummins SPN Codes PDF)What Is And How To Fix Code SPN 4364 FMI 18 (FMI 1, FMI 31)Cummins X12 CM2350 X119B (2018 & Newer) Fault Code: 5655 PID: SPN: 4364 FMI: 31 Aftertreatment 1 SCR Conversion Efficiency- Condition Exists - EcuForce TruckCummins ISB6.7 CM2350 (2013-17) Fault Code: 5655 PID: SPN: 4364 FMI: 31 Aftertreatment SCR Conversion Efficiency - Condition Exists. NOx conversion across the SCR catalyst is too low. - dtctruck

   201,Sep 15, 2019

   #2

   blairandgretchen Thanks this.

4. Sep 15, 2019#3

   uncleal13Road Train Member

   3,776

   6,235

   Apr 9, 2009

   Humboldt, Sk

   0

   Ya, it’s a catch all code for low NOx efficiency. It can be just about anything. I’ve had it since winter, mostly first thing on a Monday morning. I have Detroit Diesel Diagnostic Link, so I can eliminate some of the steps without going to the dealer. One of the early steps it said to replace the outlet NOx sensor as it was reading low. But that didn’t help.
   I did notice if I did a forced Regen the code wouldn’t pop up for several weeks. Which could be an indication that I needed a DEF awning kit. My DPF filters I knew were coming up soon, so I waited a few months for when the Soot full code came up. Which was only just over a week ago. I had them install the DEF awning kit at the same time.
   I’ve only ran the truck for four days so far, but its been fine so far. But I’ll know for sure in about a month.
   If not, then the inlet NOx sensor is the next step. And so on, trading off the truck does get tempting at some point.

   uncleal13,Sep 15, 2019

   uncleal13,Sep 15, 2019

   #3

5. Sep 15, 2019#4

   Longhaul53Bobtail Member

   25

   2

   Nov 7, 2013

   0

   Thanks, but not interested in a ‘78.

   Longhaul53,Sep 15, 2019

   Longhaul53,Sep 15, 2019

   #4

7. Sep 15, 2019#5

   Longhaul53Bobtail Member

   25

   2

   Nov 7, 2013

   0

   Thanks for the input! Is DDDL the software they use at the dealer when they hook up the laptop to the truck? How did you obtain that and how can I get my hands on that?

   Longhaul53,Sep 15, 2019

   Longhaul53,Sep 15, 2019

   #5

8. Sep 15, 2019#6

   MGE DawnRoad Train Member

   1,083

   2,268

   May 19, 2019

   Vancouver, WA

   0

   Try doing a parked regen. Clears that catchall code for me every ####### time, even if the DPF light never came on. I'm running in a company-issued 2016 Cascadia Evolution for the moment

   MGE Dawn,Sep 15, 2019

   MGE Dawn,Sep 15, 2019

   #6

9. Sep 15, 2019#7

   Longhaul53Bobtail Member

   25

   2

   Nov 7, 2013

   0

   Thanks, I tried doing it, but it doesn’t let me. Good thing you don’t have to put up out of pocket cash for the repairs. Thinking about switching to company driver myself.

   Longhaul53,Sep 15, 2019

   Longhaul53,Sep 15, 2019

   #7

10. Sep 15, 2019#8

    201Road Train Member

    11,333

    22,995

    Apr 16, 2014

    high plains colorado

    0

    The smartest thing you've said. Reason I said a 1978, is they were so simple, and a horse is a horse. Don't poo-poo the old KWhopper, it will be running long after that Freightliner has weeds growing through the frame. I know I'm no help. Good luck, it's just not how I'd want to spend my off time. I think it's terrible a 4 year old truck is giving you problems.

    201,Sep 15, 2019

    201,Sep 15, 2019

    #8

    nikmirbre Thanks this.

11. Sep 15, 2019#9

    MGE DawnRoad Train Member

    1,083

    2,268

    May 19, 2019

    Vancouver, WA

    0

    5, dude. They're pumping out 2020's right now

    MGE Dawn,Sep 15, 2019

    MGE Dawn,Sep 15, 2019

    #9

    201 Thanks this.

12. Sep 15, 2019#10

    uncleal13Road Train Member

    3,776

    6,235

    Apr 9, 2009

    Humboldt, Sk

    0

    Fleet Request Form
    First you need to sign up for a Single Sign-on ID.
    Then with the ID sign on to Nexiq site,
    to purchase the adapter and a subscription to the software.
    DiagnosticLink: Home
    It’s $500 a year for the software, only the standard edition is available. You can modify some of the engine parameters and do full diagnostic routines. You cannot reprogram engine power, fuel mapping, etc. Requires the professional version. Also you cannot set Cascadia Sam Cab or chassis parameters.
    You can use the Nexiq USB 2 adapter or a Dearborn DPA5 adapter with DDDL. Heavy Duty Diagnostic and Reprogramming Vehicle Scan Tool for Diesel Truck, Medium Duty and Automotive Technicians

    uncleal13,Sep 15, 2019

    uncleal13,Sep 15, 2019

    #10

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