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Related Medium and Heavy Trucks Questions
It is a 2014 cascadia with a dd15. Check engine light is on.
It is a 2014 cascadia with a dd15. Check engine light is on. Dash says diag 01 fault 01 sys 58 SPn 523318 fail 07 … read more
Roy Belding
Roy Belding
7,584 satisfied customers
I have the same cold 521050 I have changed the inlet and
I have the same cold 521050 I have changed the inlet and outlet knock sensor I have changed the soot sensor I have Regen truck at least 4 times, two computers tried reset codes they come right back. I… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
My regen never finish. 2016 freightliner cascadia Detroit. I
I replace the dozer block and clean the dozer and replace the box sensors Nox … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
We have dd15 with a code 5426 fmi 15 and I ran a regen and
We have dd15 with a code 5426 fmi 15 and I ran a regen and it wont go away, what do I need to do … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,088 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
7,584 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
Dd15 yellow def low level light is flashing def full. Check
Dd15 yellow def low level light is flashing def full. Check engine light is on. Has fault codes 5246 15 and 16. There is no derate. Happen the other day then light and all codes went away. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,088 satisfied customers
2012 Freghtliner Cascadia with DD13 DEF tank is full w/Stop
2012 Freghtliner Cascadia with DD13 DEF tank is full w/Stop & check engine light on while DEF light blinking. We just had engine steam cleaned and now this issue happened. Can you guess ? … read more
Roy Belding
Roy Belding
7,584 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
Roy Belding
Roy Belding
7,584 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
205 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
7,584 satisfied customers
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
Auto Mechanics 1&2/diesel mech
5,088 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
Roy Belding
Roy Belding
7,584 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
EEC 61 diag 2 fault 1. Def full but still low def signal is
EEC 61 diag 2 fault 1. Def full but still low def signal is on along with check engine lights .. … read more
Roy Belding
Roy Belding
7,584 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
7,584 satisfied customers
Have a 2012 Freight liner Cornado with a DD15 engine. Had all
Have a 2012 Freight liner Cornado with a DD15 engine. Had all codes cleared but in couple hours both yellow engine lights come on truck derates in power and I get this code 061-SPN004334. DEF tank is … read more
Roy Belding
Roy Belding
7,584 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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