Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
Roy
shop foreman
Associate Degree
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I have a 2015 Npr diesel 5.2. The red exhaust light, def
Hi, I have a 2015 Npr diesel 5.2. The red exhaust light , def light (amber) and derate light on. I scanned it for codes. No codes any module using my autel maxsys and the Can Do scanners. The def leve… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
The blinking yellow light is on when the tank is full
The blinking yellow light is on when the tank is full .changed the dock valve.regen ok but light still blinking … read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
Low def light flashing but full of def, check engine light
Low def light flashing but full of def, check engine light on code eec61 and decelerated to 55 mph. 2013 Cascadia with dd15 … read more
Daniel Wilson
Daniel Wilson
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3,632 satisfied customers
2014 kw with isx in derate with 3567 code. 2014 kenworth
yes i live in remote area ,i changed the def pump this morning it changed nothing… read more
Roy
Roy
shop foreman
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5,214 satisfied customers
I have a 2016 N-series isuzu with a 4hk1 engine. The DEF
I have a 2016 N-series isuzu with a 4hk1 engine. The DEF light is flashing, the center console has a red "exhaust" lit and it is derated (engine with a down arrow on). I have a scanner and it has no c… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
2015 Peterbilt 579- wont turnover. It has a flashing red def
2015 Peterbilt 579- wont turnover. It has a flashing red def light. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
Im having my truck shut off and on off on off.... when I'm
Im having my truck shut off and on off on off.... when I'm driving and it recover .... Ithe does it when I'm parked too. I took to a mechanic he said … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Wound up installing new scr metering unit and had technician
Hello, Wound up installing new scr metering unit and had technician come clear codes or eec61 and regen the truck twice and all codes and lights went off, next day drove truck 5 hours and the 2 yellow… read more
Roy
Roy
shop foreman
Associate Degree
5,214 satisfied customers
I have a ter 4 Cummings the def gauge shows empty replaced
I have a ter 4 Cummings the def gauge shows empty replaced sending unit/ pump still doesn't work … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 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
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Vocational, Technical or Trade Scho
829 satisfied customers
I have a flashing red one bar on my def gauge and a check
Hi Pearl I have a flashing red one bar on my def gauge and a check engine light, my def tank is 100% filled. Truck is driving normal right now but I have 4hr ride to get home. Have you ever herd of th… read more
FIX-IT
FIX-IT
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Vocational, Technical or Trade Scho
829 satisfied customers
My 2013 cascading was running great just a few min ago the
My 2013 cascading was running great just a few min ago the yellow warning light for the DEF started blinking and my engine light came on I have pleanty of DEF I HAVE A Detroit What could be the proble… read more
Aaron Evans
Aaron Evans
MOBILE FLEET MANAGER
44 satisfied customers
I have a 2011 Cascadia dd13,450 hp 660000 miles.i have had
I have a 2011 Cascadia dd13,450 hp 660000 miles.i have had the truck about 10 months now and its been a real nightmare.truck has had emissions issues from day one literally.replaced one box,dpf filter… read more
Roy
Roy
shop foreman
Associate Degree
5,214 satisfied customers
The regen light came on and im trying to do a park regen and
The regen light came on and im trying to do a park regen and it does not want to do it … read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
The low Def yellow light is flashing even though it is
The low Def yellow light is flashing even though it is topped off with def … read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
It's cranking and won't start. 2013 386 peterbilt. Check
check fuel, the def gauge is down and the def light flashing and the abs indicator is on… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 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
2,672 satisfied customers
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Daniel Wilson

Daniel Wilson

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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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