Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
1,824 satisfied customers
Got a fault code spn 1569 fm 31. IssX15 450hp 2100rpm
Got a fault code spn 1569 fm 31. JA: What is the complete model and serial number of your machine? Customer: IssX15 450hp 2100rpm CN542632 JA: Are you fixing this yourself? What have you tried so far?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 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
1,824 satisfied customers
I have a driver on the road that is loosing speed since this
I have a driver on the road that is loosing speed since this code popped up. Cummings 587 engine and does have Knox sensor error but have this just delivered at home. SPN-1569 31 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
12,655 satisfied customers
I have a 2012 Volvo vinyl 670 d13 it has 6 codes spn 5394
Hello I have a 2012 Volvo vinyl 670 d13 it has 6 codes spn 5394 fmi 5, spn 3936 fmi 1, spn 5246 fmi 0, spn 173 fmi 5,spn 3245 fmi 5, spn 3251 fmi 5 what do these code mean? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
465 satisfied customers
It shows code spn1569 and spn 5246 I have t66o kw with
It shows code spn1569 and spn 5246 I have t66o kw with cummins … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
6.7 cummins in m2 freifgrliner only goes 5 mph. Freightliner
6.7 cummins in m2 freifgrliner only goes 5 mph JA: What's the make/model/year of your truck? Engine type? Customer: freightliner m2 cummins 6.7 2014 JA: Are you fixing your truck yourself? What have y… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
12,655 satisfied customers
It is stuck in derate mode, 2011 kenworth t370 says paccar
2011 kenworth t370 says paccar but cummins software … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
Emgine no power i scann the engine and i have code 3714,
emgine no power i scann the engine and i have code 3714 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
I got a 2014 freightliner cascadia Cummins ISX with the
I got a 2014 freightliner cascadia Cummins ISX with the fault code 1569 spn … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
My 2012 cascadia has a dash code spn1569 fmi31.... the fault
Hi my 2012 cascadia has a dash code spn1569 fmi31.... the fault goes away after I turn the master switch off and turn it back on … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
Spn 1569 fmi 31 is showing, I got a 2012 587 Cummins isx. I
Spn 1569 fmi 31 is showing, I got a 2012 Peter 587 Cummins isx. I replace a lot of parts already and I'm loosing power … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
12,655 satisfied customers
I have a freightliner cascadia Vin 1fujglbg2dsbx2662 engine
I have a freightliner cascadia Vin 1fujglbg2dsbx2662 engine serial number 79561243 Cummings isx with diagnostic spn 1569 fail 31 what the diagnostic dash code mean?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
I have a 2013 KW T660 Cummins ISX VIN: 1XKAA48XXDJ363341 2
I have a 2013 KW T660 Cummins ISX VIN: 1XKAA48XXDJ3633412 weeks ago I was getting SPN 5019 FMI 2, EGR Outlet Pressure Data Invalid, Intermittent, or Incorrect I replaced the pressure sensor (egr orifi… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 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
12,655 satisfied customers
I have an ISX 15 Engine. 2012 Peterbuilt. Just got out of shop,
I have an ISX 15 Engine. 2012 Peterbuilt. Just got out of shop, had fuel pump replaced, DFW filter baked, replaced ER cooler. 3000 miles later..Engine light comes on and regeneration light...warnings … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
DOC- I Have a 2012 peter with ISX 425 HP engine serial 75003475/
DOC- I Have a 2012 peter with ISX 425 HP engine serial 75003475/ BCEXH0729AC We serviced valve lash and installed egr cooler for leaking internal into engine. unit was going through 2 gals a day. now … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
12,655 satisfied customers
I have a code aftertreatment SCR operator inducement data
I have a code aftertreatment SCR operator inducement data valid but above normal operating range. I tried clicking on this code but no explanation on INSITE. please help us we are stuck… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 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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