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I have a 2016 westernstar 5700xe need help with this 1 we
I have a 2016 westernstar 5700xe need help with this 1 we had both filters Baked and reinstalled we did the frocd regen again rest the modules but the code 5018 comes back and the soot level wont go d… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
With a code eec61 3361 fail 7 and eec61 5246 fail 15, def
With a code eec61 3361 fail 7 and eec61 5246 fail 15 , def lite flashing , the truck will not let me do parked regen WHY !! … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Fault code spn3720 FMI 15. 2017 freightliner Cascadia dd15.
Dont sure if I can fix myself. The check engine light came on today. Is that code very serious … read more
Roy Belding
Roy Belding
7,582 satisfied customers
I have 3720. Freightliner cascadia Cummins 2014. If I can
If I can drive with code for 700 miles without the engine to derate i tried force regene but it didn't work… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
2020 cascadia DEF is full not going down. Had a new pump
2020 cascadia DEF is full not going down. Had a new pump installed last year in January. Could be a bad pump??? … read more
Roy Belding
Roy Belding
7,582 satisfied customers
I have a 2014 vnl780. It is throwing a recurring p200200
I have a 2014 vnl780. It is throwing a recurring p200200 code … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I also had a check engine light came on. Spent 11 days at
I also had a check engine light came on. Spent 11 days at the dealership. The whole dpf box n 10 sensors were replaced. 12 days later the check engine light is on again. This time I pushed the button … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
Bunch of codes on my Freightliner. 2012 Freightliner
Bunch of codes on my Freightliner JA: What's the make/model/year of your truck? Engine type? Customer: 2012 Freightliner cascadia JA: Are you fixing your truck yourself? What have you tried so far? Cu… read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
205 satisfied customers
Engine derate. 2015 kenworth t680 isx. Put on code reader
Yes, put on code reader and spin 3720; ash load percentage … read more
Roy Belding
Roy Belding
7,582 satisfied customers
Check engine light on. code on QUALCOMM says high ( SPN
check engine light on. code on QUALCOMM says high ( SPN 3720) what does it mean? … read more
Roy Belding
Roy Belding
7,582 satisfied customers
2016 cascadia fault codes eec 61 fail 15 spn 3720. Had dpf
2016 cascadia fault codes eec 61 fail 15 spn 3720. Had dpf filters cleaned 1 month ago. Computer soot level reset … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2009 Freightliner Columbia with Detroit engine.
I have a 2009 Freightliner Columbia with Detroit engine. Code code 3270/15 for time to replace DPF. We replaced the DPF. I went into DDLink 8.04 and tried to reset the accumulator but the code is stil… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,877 satisfied customers
Gm wanted to know about this code EEC 61 on a 2012
Gm wanted to know about this code EEC 61 on a 2012 freightliner coronado … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2012 freightliner cascadia I am getting a fault Eec
Hi I have a 2012 freightliner cascadia I am getting a fault Eec 061 spn003720 15 What does it mean… read more
Roy Belding
Roy Belding
7,582 satisfied customers
Mine say EEC 61 then 3720 (under thar says SPN) then t
Mine say EEC 61 then 3720 (under thar says SPN) then hit square button 3rd time and it says Fail 15… read more
Roy Belding
Roy Belding
7,582 satisfied customers
2010 freightliner cascadia. Has had DPF (particulate filter)
2010 freightliner cascadia. Has had DPF (particulate filter) serviced and cleaned a month ago. Now getting a code SPN 3720 FMI 15. Any idea on why this is so, how to eliminate? Also SPN 520201 FMI 3. … read more
Eurotruck72
Eurotruck72
Garage owner
122 satisfied customers
I have a 09 C-15 ESN-SDP15383 that is throwing the code 3720-15.
I have a 09 C-15 ESN-SDP15383 that is throwing the code 3720-15. Was wondering how to solve this problem?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Have a 2012 freightliner Cascadia VIN BJ3012. It has computer
Have a 2012 freightliner Cascadia VIN BJ3012. It has computer code SPN3720 FMI 15. We take it that this means exhaust regeneration needed. Can you confirm this and outline best technique for same. Als… read more
Clayton
Clayton
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,877 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,700 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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