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Related Medium and Heavy Trucks Questions
Code 3216 fmi 4 and code 5246 fmi 0. 2015 international
Replaced the nox sensor and purge aftertreatment valve … read more
NicholasM1019
NicholasM1019
Diesel Technician
GED
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Showing spn 1569 engine torque derate. 386 peterbilt 2012
I will fix if I knew if it is a sensor. I have handheld Can Do diagnostic tool and trying forced regennostic … read more
Roy Belding
Roy Belding
7,528 satisfied customers
I'm not using any def fluid. I topped off the def tank and
I'm not using any def fluid. I topped off the def tank and drove about 350 miles. The dash said regeneration required, so I did a parked regen. After the regen was completed I started driving and noti… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Just got codes 1569, 4094, 5246. 2013 pete 587 Cummins isx
drained some of def and put better quality in and ran according to owner manuals … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Cummins QSF3.8 S/N 89921111 with DTC 3866 SPN 3364 FMI 1,
Cummins QSF3.8 S/N 89921111 with DTC 3866 SPN 3364 FMI 1, DTC 3714 SPN 1569 FMI 31 and DTC 3712 SPN 5246 FMI 0 error codes. Reduced engine functionality is present. DEF was low so refilled but no chan… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Spn 1569 fmi 31 active. 2015 international prostar. Nothing
Nothing codes Spn codes 2023 1569 4340 4342 4344 coming up.. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
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Def lights are on. System is full of DEF. code still says
Def lights are on. System is full of DEF. code still says it's the doser. Doser has been replaced … read more
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2013 pete ISX Cummins fault code aftertreatment SCR Operat
2013 pete ISX Cummins fault code aftertreatment SCR Operat inducement Severity … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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I have SPN 1569, 5246, 5746, and 1387 and stop engine
I have SPN 1569, 5246, 5746, and 1387 and stop engine immediately … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 satisfied customers
Code 3361 replace doser valve code stillhtere obviosly
code 3361 replace doser valve code stillhtere obviosly derated also … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 satisfied customers
I have 2 engine fault codes. SPN 3936 FMI 15 & SPN 1569 FMI
I have 2 engine fault codes. SPN 3936 FMI 15 & SPN 1569 FMI 31.. 2016 Freightliner cascadia, Cummins is engine. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 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
7,528 satisfied customers
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
Mechanic
High School or GED
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Cummings 380 in Tuscany RV has engine light on says spn1569
Cummings 380 in Tuscany RV has engine light on says spn1569 fault … read more
Jeremy
Jeremy
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Associate Degree
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Spn 5246 fmi 31 spn 6802 fmi 31 what do these codes mean? I
spn 5246 fmi 31 spn 6802 fmi 31 what do these codes mean? I have two check engine lights and a red stop light on my freighliner 2016 m2… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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There is a fault code check engine symbol and exhaust with
there is a fault code check engine symbol and exhaust with exclamation point tried to manual start regen but doesn't seem to start ? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a f650 cummins 2011 have had all parts of def system
Hey I have a f650 cummins 2011 have had all parts of def system replaced and spent well over $16000 on the truck with def problems according to cummins the truck is in debate mode throwing code 5246 a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,927 satisfied customers
2011 Peterbilt 348 with a paccar px-8. We are currently
2011 Peterbilt 348 with a paccar px-8. We are currently experiencing derate with limited speed. We have pulled four codes from the ecm, actually 4 active codes and 4 inactive codes. They are as follow… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,927 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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