Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a Cummins QSF3.8 engine serial number 76450107 with
Good afternoon. I have a Cummins QSF3.8 engine serial number 76450107 with an ECM GB8004.11. I have getting three active error codes, 3712, 3567 and 3714. The 3712 is a RED code while the other two ar… 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 acode 3712 and my truck is in derate mode. Should i
i have acode 3712 and my truck is in derate mode JA: Sometimes things that you think will be really complicated end up being easy to fix. The Heavy Truck Mechanic I'm going to connect you with knows a… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
7 satisfied customers
2018 international with cummins 6.7. Truck had 1887 open at
2018 international with cummins 6.7. Truck had 1887 open at outlet nox sensor. Sensor replaced and code resolved. Truck still has information codes 6255, 6254, snd 3712. I can get the 3712 to go away … read more
Roy Belding
Roy Belding
7,579 satisfied customers
We have a 2012 kenworth t3 series dtc 3651, 3714, 3429, 3712
We have a 2012 kenworth t3 series dtc 3651, 3714, 3429, 3712 Truck will not come out of derate If clear codes the only two codes that come back are 3714, and 3712 forced regen and tried to reset still… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a isx Cummins cm2350 serial 79636125 I have a 3712
I have a isx Cummins cm2350 serial 79636125 I have a 3712 code and a 3714 derate I can not get it out of derate… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,294 satisfied customers
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
4,294 satisfied customers
We have. 2016 389 Pete tractor. Codes 3712 and 3714. We have
We have. 2016 389 Pete tractor. Codes 3712 and 3714. We have tried clearing codes. Codes will not clear. We have tried flashing the Ecm and codes wont clear. We can force a regen and the truck does ex… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
429 satisfied customers
Got 4 active fault codes in Cummins ISB6.7. AutoCAD ACX
Just troubleshooting through insite before it goes to the shop Codes are 3545, 1682, 3714, 3712 … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Engine number 73896317. Fault codes after treatment SCR
fault codes after treatment SCR operator inducement: data valid but above normal operational range(att), engine protection torque reduction(att), real time clock supply cut-off: data erratic, intermittent or incorrect, 2016 peterbilt 337 … read more
Roy Belding
Roy Belding
7,579 satisfied customers
I have a 2014 freightliner 114sd with a isl9 370. I have
i have a 2014 freightliner 114sd with a isl9 370. I have codes, 3543, 3582, 3714, 3712. This truck is a part of a fleet, and it has been ghosting us for 8 months, truck has recently gotten a new turbo… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
429 satisfied customers
School bus 2016 Cummins isb 112,000km Came in with codes
School bus 2016 Cummins isb 112,000km Came in with codes 2976 , 3545, 3559, 3712, 3714, 4251 and a power loss issue stemming from Aftertreatment issues. A tech from this website and I determined it wa… read more
Mike Mcmillan
Mike Mcmillan
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429 satisfied customers
Looking for a mechanic that knows something about cummings
looking for a mechanic that knows something about cummings fuel system with the Def … read more
Roy Belding
Roy Belding
7,579 satisfied customers
Well I was told it needs the cummins insite program to reset
well I was told it needs the cummins insite program to reset some code … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
429 satisfied customers
Working on a freightliner m2 came in with a loss of power
working on a freightliner m2 came in with a loss of power issue. we did regen of the system. that went well but the 3712 fmi along with the 3714 code keep coming back. our scanner cannot erase these c… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
429 satisfied customers
I have two codes that are active 3712 and 3714, 2016
Hello I have two codes that are active 3712 and 3714 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,294 satisfied customers
1)-SAE Engine protection Tourqe Derate Condition - exist SPN
1)-SAE Engine protection Tourqe Derate Condition - exist SPN 1569 FMI 31 count 1 (2) SAE- Aftertreatment SCR Operator Inducment Severity-Data valid but above normal operating range-Most severe level S… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
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Regen Issue on a 2011 Pete 348 (vin:160507) with a Cummins
Regen Issue on a 2011 Pete 348 (vin:160507) with a Cummins ISC (esn:73333964). 123.9 miles ago Insite showed codes 3543 (NOx limits exceeded due to Insufficient Reagent Quality), 3582 (Aftertreatment … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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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