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Related Medium and Heavy Trucks Questions
I have a 2016 kw t-680. I get the derate in 4 hours comes
I have a 2016 kw t-680. I get the derate in 4 hours comes up … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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2014 kenworth in limp mode red light blinking on def Guage.
2014 kenworth in limp mode red light blinking on def Guage … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
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I have a 2016 international 4300 with a cummins motor. it
I have a 2016 international 4300 with a cummins motor. it has run fine until the other morning. I started it , I got a code for spn5397 regen too much. (checked the egr sensor and found moisture in it… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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I have a 2014 Peterbilt with a cummins isx 15 550 Vin number
Hello,I have a 2014 Peterbilt with a cummins isx 15 550Vin number is *****Have a CEL coming on emissions derate light on Seek service immediately light onCode info SPN 3361 FMI 4 SA 0… read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I just got truck (2015 kenworth t680 cummins isx engine)
I just got truck (2015 kenworth t680 cummins isx engine) serviced at El Paso Kenworth dealer. Had them remove 2 derate codes that put me at 5mph due to bad def quality sensor. My question is, can I be… read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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2016 isx 15 code is 3567 aftertreatment diesel exhaust fluid
2016 isx 15 code is 3567 aftertreatment diesel exhaust fluid valve. below normal or open circuit. we checked wires around the def system all are good there. when i shut the key off the def pump isnt c… read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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2014 freightliner cascadia isx15. 2014 freightliner
2014 freightliner cascadia isx15 JA: What's the make/model/year of your truck? Engine type? Customer: 2014 freightliner cascadia JA: Are you fixing your truck yourself? What have you tried so far? Cus… read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I have a 2016 freightliner HDJE6489 the def tank is full but
I have a 2016 freightliner HDJE6489 the def tank is full but the yellow light is flashing that it is empty changed fluid ,sending unit, had filters cleaned reset everything performed aftertreatment sc… read more
Joel Bos
Joel Bos
909 satisfied customers
Just had a forced regen done at a shop. Left the shop, and
Just had a forced regen done at a shop. Left the shop, and derate warning appeared again. 3 hours to derate. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
2018 Kenworth T680 W/ Cummins ISX 15 Related to Diesel
2018 Kenworth T680 W/ Cummins ISX 15 Related to Diesel exhaust fluid much great than specifications / 0 thru 10 psi but is as high as 123 psi, builds up slow but goe's high, found relay under hood and… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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Def light on and bliking but almost full def tank now I am
Def light on and bliking but almost full def tank now I am being derated … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I have 2017 w900 Kenworth, with a cummings 550 engine. The
I have 2017 w900 Kenworth, with a cummings 550 engine. The def gauge is reading empty but it's full … read more
cumminsdr
cumminsdr
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High School or GED
1,886 satisfied customers
DEF tank is full but it shows empty. Also I got derate
DEF tank is full but it shows empty. JA: What's the make/model/year of your truck? Engine type? Customer: Also I got derate engine warning messageged JA: Are you fixing your truck yourself? What have … read more
roybelding
roybelding
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I have a 2014 Kenworth T680...I got a Level 1 engine
I have a 2014 Kenworth T680...I got a Level 1 engine delegate code...any idea what that could be? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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571 satisfied customers
We have a 2015 Kenworth t680, and tonite while driving had
we have a 2015 Kenworth t680, and tonite while driving had several scr system fault messages and also our def tank is full but the low fluid red indicator on the def gauge came on. we pulled over and … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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2014 ISX CUMMINGS PETERBILT 587 WHERE IS THE DEF HEATER? 587
2014 ISX CUMMINGS PETERBILT 587 WHERE IS THE DEF HEATER ? … read more
cumminsdr
cumminsdr
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High School or GED
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I am in the middle of the Yukon in northern Canada and my
I am in the middle of the Yukon in northern Canada and my isx cummins engine is derated. The yellow light has been on and off for two days. I have a kW with navplus and can see 6 codes.… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,915 satisfied customers
Diesel Exhaust Flow (DEF) low indicator light turns on. Why?
What turns on the Def low (and out) indicator light on my Def gauge? Does it get a signal from anything other than the sending unit in the tank? Have spent $9000.00 last month on Def light/cel.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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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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