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Related Medium and Heavy Trucks Questions
Cascadia DD15 Replace the HC doser valve, truck won't start
Cascadia DD15Replace the HC doser valve, truck won't start now any troubleshooting advise. Thank you… read more
Andy
Andy
Truck Diagnostic Technician
Vocational, Technical or Trade School
2,813 satisfied customers
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
7,602 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
Triage Tech/Shop Foreman
Associates
442 satisfied customers
2026 Freightliner Cascadia with a DD15. I installed a new
2026 Freightliner Cascadia with a DD15. I installed a new DEF pump. Before removing the old pump to keep the DEF from siphoning, I disconnected the DEF hoses at the tank. After installing the new pump… read more
Bradey V
Bradey V
Certificate
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
Roy Belding
Roy Belding
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DeF light is showing low or mty but it's full check engine
DeF light is showing low or mty but it's full check engine lifts are up Customer: im doing the regen now to checkout if the ligths gone … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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Mitsubishi fuso / 2014 / check light flashing / running in
mitsubishi fuso / 2014 / check light flashing / running in limp mode / ran out of adblue / filled adblue / cant get rid of the codes vioa my scan tool [f-car scan tool] … read more
Mike Mcmillan
Mike Mcmillan
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Def light blinking and Check engine came on my def tank
Def light blinking and Check engine came on my def tank reads full and now I have a stop light on … read more
Keiphun Sowell
Keiphun Sowell
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Code 5435 FMI 7 maens? 16 freight. Cascadia DD15. No just
Code 5435 FMI 7 maens ? JA: What's the make/model/year of your truck? Engine type? Customer: 16 freight. Cascadia DD15 JA: Are you fixing your truck yourself? What have you tried so far? Customer: No … read more
Roy Belding
Roy Belding
7,602 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
Roy Belding
Roy Belding
7,602 satisfied customers
I got 2016 freightliner cascadia Witt dd15 I want to know
I got 2016 freightliner cascadia Witt dd15 I want to know how much is the maximum and minimum pressure of the DEF pump please… read more
Roy Belding
Roy Belding
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2014 freightliner Cascadia with auto trans. intermittently
2014 freightliner Cascadia with auto trans. intermittently getting "Service engine emmissions system 25% derate". sometimes we have to regen 2-4 times per night and it is fine for a week or two and co… read more
Daniel Wilson
Daniel Wilson
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How do I do a park regen on my 2012 freightliner cascadia
How do I do a park regen on my 2012 freightliner cascadia dd15? … read more
Jeremy
Jeremy
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The light on the def gauge starts flashing and then the
hi the light on the def gauge starts flashing and then the yellow engine light turns on after a while the check engine light turns on had it connected to the diagnostic comp and they done a forced reg… read more
cumminsdr
cumminsdr
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I have a 2014 cascadia/dd15. I accidentally stopped my regen
Hi I have a 2014 cascadia/dd15. I accidentally stopped my regen twice and caused a DEF quality code That immediately derated my engine to 5 miles an hour. Most likely have a regen cycle too frequent c… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Have a 2011 Freightliner Cascadia Dd15 with some codes Eec61
Have a 2011 Freightliner Cascadia Dd15 with some codesEec61 spn5246 fail 15 Chs 71 spn 520918 fail 5 Sys 25 spn 1548 fail 5 Any help would be great thanks… read more
Roy Belding
Roy Belding
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I HAVE A 2011 ISUZU NPR IT WAS A P2000/P20C9/P1490, 5.2
I HAVE A 2011 ISUZU NPR IT WAS A P2000/P20C9/P1490 … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
We are derated to 5mph with Regulatory fault ignored-final
We are derated to 5mph with Regulatory fault ignored-final action pending fault 5246-16. 5246-0 and 5246-15 also appear as well as DEF information only 4335-31. What do we need to do?… read more
Roy Belding
Roy Belding
7,602 satisfied customers
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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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