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
2019 freightliner. isl9 code 5655 only active code. had code
2019 freightliner. isl9 code 5655 only active code. had code for regen inhibited due to inhibit switch being active. since this truck doesn't have a inhibit switch, ignored it. did a regen analyzer bu… read more
NicholasM1019
NicholasM1019
Diesel Technician
GED
2 satisfied customers
2 Yellow check engine light on DEF light blinking with 4
2 Yellow check engine light on DEF light blinking with 4 green squares on 2012 freightliner cascadia dd15. Fault codes SPN-4364 18, SPN-3251 2, SPN-3364 2, SPN-522108 5, SPN-522117 5. I'm doing a rege… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Code 5246 code will not clear no other active codes passes
code 5246 code will not clear no other active codes passes scr tests and regens at 85% '15 dd15 help … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have an active spn 3223 fmi 7 only it drives fine with
Hi I have an active spn 3223 fmi 7 only it drives fine with only 1 check engine light. I have the definition of nox raw data not ready after few point. But I don't have the flow chart for this specifi… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2015 cascadia dd15 spn4364 fmi 18 Knox low conversion why is
2015 cascadia dd15 spn4364 fmi 18 Knox low conversion why is this happening installed two new nox sensors and def awning… read more
Bradey V
Bradey V
Certificate
DEF INDUCMENE. 2019 FRHT CASCADIA DD15. DEF LAMP ACTIVE CEL
DEF INDUCMENE JA: What's the make/model/year of your truck? Engine type? Customer: 2019 FRHT CASCADIA DD15 JA: Are you fixing your truck yourself? What have you tried so far? Customer: DEF LAMP ACTIVE… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I saw from your other posts that you are very experienced
Hello sir,I saw from your other posts that you are very experienced with DD15 so I want to ask you some question about my truck. I have a Cascadia 2011 EPA10 DD15 with multiple codesCodes appeared in … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
Spn 5246 fmi 15. 2014 freightliner cascadia dd15. The dpf
Yes the dpf clamps were left loose which melted the def dosing unit, both nox sensors def supply and return lines, replaced everything plus harness codes are permanent truck still in derate … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I got a 2015 coronado with a dd15 and it's got this
I got a 2015 coronado with a dd15 and it's got this aftertreatmen scr code and it's showing 25 percent detate … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I got a eec 61 code. Freightliner cascadia evolution dd15.
I got a eec 61 code JA: What is the complete model and serial number of your machine? Customer: Freightliner cascadia evolution dd15 JA: Are you fixing this yourself? What have you tried so far? Custo… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have a 2014 cascadia with fault code fail 21 spn 3216
I have a 2014 cascadia with fault code fail 21 spn 3216 ecu1? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 satisfied customers
I have a 2012 freightliner Cascadia that the code spn005246
i have a 2012 freightliner Cascadia that the code spn005246 15 came on about 30 min into my drive time. the yellow light was flashing by the def gauge plus check engine light. What does this mean? … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have a 2013 DD15. It has gone into derate with a 3364 1
I have a 2013 DD15. It has gone into derate with a 3364 1 that is active. I have replaced the doser valve assy and the injector. Also the def pump and filter assy. I also drained the def tank and repl… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 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
Freightliner cascadia - how do I get it out of protective
Freightliner cascadia - how do I get it out of protective mode 5 mph … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I have a 2012 Freightliner Cascada DD15 and I noticed that
I have a 2012 Freightliner Cascada DD15 and I noticed that the DEF fuild has not gone down for about 3 days which is unusual.. I had someone comeout and put a computer on it and he said it looked like… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
What is the main difference in benefit between a forced
What is the main difference in benefit between a forced regen and a parked regen?Aftertreatment issues is not allowing a parked regen to finish although it starts. Will a forced regen complete it. I b… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 satisfied customers
I HAVE A 2015 Freightliner cascadia DD15 with a headache
I HAVE A 2015 Freightliner cascadia DD15 with a headache code 5246 FMI 15 … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,206 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