Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
I have dd15 and 521049 and 521050 codes are detected i done
I have dd15 and 521049 and 521050 codes are detected i done regen and changed nox scencors inlet and outlet but codes are still on … read more
Roy Belding
Roy Belding
7,524 satisfied customers
Got SPN 3216 FMI16 active code on a 2016 freightliner
Got SPN 3216 FMI16 active code on a 2016 freightliner Cascadia DD15 engine What can you tell me about it and is it safe to keep driving?… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,093 satisfied customers
Got codes ( nox conv eff 18,def quality 02. 2013 cascadia,
I changed noxsensor about a yr ago. If i can fix it i would rather do it myself. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
16 freightliner cascadia DD15, Check engine light is on, I
16 freightliner cascadia DD15, Check engine light is on, I have 3 fault codes:Eng1 spn 3216 fail 18 EEC61 spn 3216 fail 3 EEC61 spn 3223 fail 7… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Spn3612 fmi18 code. 2015 cascadia dd15. Wondering if i can
wondering if i can safely bring load up and come back to get fix … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a blinking light at def, codes eec 61, spn 3364.
I have a blinking light at def, codes eec 61, spn 3364. Derated me down to 5 mph, all 3 code lights on. … read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
202 satisfied customers
Cos. EEC 61 SPN 3250 Fail 20 Code What is this Code and how
EEC 61 SPN 3250 Fail 20 Code What is this Code and how do I Fix it? … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,093 satisfied customers
Morning! Having a problem that I just can conquer on a
Morning! Having a problem that I just can conquer on a Freightliner Cascadia! VIN: 1FUJGLDR8CSBH1198Active Codes: 3364 2 Improper DEF Quality Final Warning 3364 17 Improper DEF Quality Warning 5397 31… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Codes my 2012 freightliner cascadia is giving me fault 1 cab
codes my 2012 freightliner cascadia is giving me fault 1 cab 33 spn 522108 fail 05 fault 2 chs 71 spn 520919 fail 05 fault 03 eec 61 spn 4364 fail 18 fault 04 eec 61 spn 3364 fail 02 fault 05 sys 58 s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have the following fault codes for a 2011 Freightliner
I have the following fault codes for a 2011 Freightliner Cascadia: EEC 61, spn 3364, fail 2 EEC 61, spn 3216, fail 4 EEC 61, spn 3364, fail 17 EnG 1, spn 100, fail 1 EnG 1, spn 3216, fail 2 EnG 1, spn… read more
Roy Belding
Roy Belding
7,524 satisfied customers
My 2012 Freightliner DD15 started derating without telling
My 2012 Freightliner DD15 started derating without telling me it was derating. The low DEF light keeps blinking even though there is plenty of DEF. I know it wants to do a parked regen although no lig… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
2014 DD15 has fault code, EEC61 3236 Fail20. Used truck new
2014 DD15 has fault code, EEC61 3236 Fail20. Used truck new to me pass than 1500 miles since purchase so no real historical data. Filled DEF tank on first fuel fill was at 2 bars on have. Filter was c… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn
Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn fail 9 and fault 1 code. Filled with def about 20 min ago but def gauge is blinking red like it's empty … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Low DEF blinks while gauge shows full and I know for sure
Low DEF blinks while gauge shows full and I know for sure that it is full.It seems that it is asking for a Regen. After performing a regen it goes away. Problem is that it is happening to often. Secon… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2012 Freightliner Cascadia with A DD15 has some
good morning i have a 2012 Freightliner Cascadia with A DD15 has some codes EEC 61 SPN 4364, EEC 61 Spn 3364 , CHS 71 SPN 520919 , CAB 33 SPN 531906 Any help would be greatly appreciated… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My def light starts blinking and check engine light turns on
My def light starts blinking and check engine light turns on shortly after I fill up with def. It's been doing this for awhile. … read more
Roy Belding
Roy Belding
7,524 satisfied customers
I have a 2011 Freightliner Cascadia with a DD 15. Last month
I have a 2011 Freightliner Cascadia with a DD 15. Last month I had a nox sensor,doser valve, and a fuel meter replaced. Before this happened it threw a code SPN 4364 fail 18. Put in shop replaced all … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
We also have a 2012 Freightliner with the DD15, showing EEC
We also have a 2012 Freightliner with the DD15, showing EEC 61. The rest of our code is: SPN 4356 Fail 5. Would like to know what it means. Thank you.… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x