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Need help with Kenworth T680 installed wing man system. VIN
Need help with Kenworth T680 installed wing man system. … read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
7 satisfied customers
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
Joe
Joe
Service Technician
Associate Degree
853 satisfied customers
I have a 2015 pete 587 and have code # 2791, 3821,5625, and
i have a 2015 pete 587 and have code # 2791, 3821,5625, and 1056 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a Peterbilt 2016 579 with engine codes reading SPN
Good morning I have a Peterbilt 2016 579 with engine codes reading SPN 177 and spn171 could you please tell me what these codes mean… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
7 satisfied customers
The DEF tank is full ,but the gauge shows empty. on. 2019
the DEF tank is full ,but the gauge shows empty. on … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,294 satisfied customers
50b121b engine light on and def show's empty. Def if full
50b121b engine light on and def show's empty. Def if full what is problem … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,294 satisfied customers
Dr. Cummins, I have 2016 prostar with cummins engine ISX 15
Dr. Cummins,I have 2016 prostar with cummins engine ISX 15 VIN# ***** my gauge reads empty but my tank is full I already put a new senor and I checked all cables.how can I find the problem?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,294 satisfied customers
First, Ihave a 2013 winnebago that just gave me a check
ihave a 2013 winnebago that just gave me a check engine light. this is first time for any fault codes the code is 1713 fmi 16 fpn 3363 which insite says aftertreatment 1 diesel exhaust fluid tank heater data valid but above normal operating range moderately severe. when i look at the freeze frame it always says tank temp 177/ now this is without running engine in morning. engine coolent temp is 47 but def tank say 177. if i start and let warm up to engine temp of 147 def tank still listed as 177 this also shows watching logger flickering 176 177. i am figuring is the temp sensor in tank but dont know how to test at this point. there is also number1 2 3 def line heaters also but are showing that they are turned off. this does have a coolant line in and out but never get warm so believe tank sensor is the problem. please help … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
We have a Paccar wity code 1517. And 3997 we have software.
We have a Paccar wity code 1517. And 3997 we have David software. And we can not figure where it gets it def quality issue or where the sensor is at it's not in the tank per kw parts.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I've got a 2017 International Workstar/6.7 Cummins and the
I've got a 2017 International Workstar/6.7 Cummins and the upside down triangle warning light and the DEF fluid light indicators are on. Truck is also reduced power… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Spn1569/5246/4340/6802/16. Peterbilt 2014 cummings. Nada.
Spn1569/5246/4340/6802/16 JA: What's the make/model/year of your truck? Engine type? Customer: Peterbilt 2014 cummings JA: Are you fixing your truck yourself? What have you tried so far? Customer: Nad… read more
Roy Belding
Roy Belding
7,579 satisfied customers
Have a 2012 Int 4300 with cummins have 4 codes i need help
Have a 2012 Int 4300 with cummins have 4 codes i need help with … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I had be a2012 freightliner m2-112 vin BW1522. I had spn3361
I had be a2012 freightliner m2-112 vin BW1522. I had spn3361 fmi 7 inactive. I cleared code. Now I have spn5246 fmi5 active. No other codes. What do I have to do to clear this code? Is this something … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Thank you. I have a 2013 Freigjtliner cascadia, with a 2016
I have a 2013 Freigjtliner cascadia, with a 2016 cummins isx 450hp. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,294 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
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Def lite is flashing. Tank is full. I have 2 fault codes
Def lite is flashing. Tank is full. I have 2 fault codes EEC61 and spn 3364. Didn't need regin but I'm doing one just incase. Do you might know what all this could be? … read more
Roy Belding
Roy Belding
7,579 satisfied customers
I have in our shop a 2012 Peterbilt with a Paccar engine in
I have in our shop a 2012 Peterbilt with a Paccar engine in it and multiple codes, cylinder miss on the freeway.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a Kenworth T700 truck with a 480 HP Paccar MX engine.
I have a Kenworth T700 truck with a 480 HP Paccar MX engine. I own this truck for over 4 years now, and I have never ceased to have problem with this engine. But more precisely, the DEF system is simp… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
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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

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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

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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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