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Related Medium and Heavy Trucks Questions
The fuel gauge and def gauge in my 2012 freightliner
The fuel gauge and def gauge in my 2012 freightliner cascadia keeps fluctuating . When I put fuel in it the gauge falls to empty for a while then goes back and forth . Plus it seems to be getting horr… read more
JeremyTruckTech
JeremyTruckTech
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High School
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I'm in a pickle... I have 2 trucks needing some good expert
Hello I'm in a pickle... I have 2 trucks needing some good expert advice on. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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2012 Freightliner Cascadia 125 DD15, recent items, replaced
2012 Freightliner Cascadia 125 DD15, recent items, replaced metering unit, did 2 regens, new set of codes (didn't record) brought to local dealer for repairs. Diagnosed and replaced out put nox sensor… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2012 Freightliner M2 yellow engine light is on - I drained
2012 Freightliner M2 yellow engine light is on - I drained the batteries - tried to start - dead, jumped the truck with another truck, eng1 diag1 fault 1 spn 1231 fail 9. Any ideas? … read more
Gary A.
Gary A.
Associates in Diesel Technology and Business Management
8 satisfied customers
I have a 2016 freightliner cascadia DD15 .First started by
I have a 2016 freightliner cascadia DD15 .First started by blinking Def light and after few minutes would reduce speed to 55 I stopped did regen and the light disappeared this went on for a while. Last week it started showing this code SPN 1231 fmi 9 would bring stop enging light and after few seconds shut down after few minutes it would come back again and traveling 3 miles would shut down again. I checked all the fuses changed the kill switch since I realized one connector was broken and only one was working and also replaced the pndb to be sure I have enough power supply but this did not help also I Tested the power and ground at the ACM connector harness side and all pins seems to have power as expected. I tried to measure the resistance at ACM pin 10 and 20 and got 120 ohms. What else can I test ? Thank-you … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2012 Freightliner Cascadia. I have a DD15 motor.
I have a 2012 Freightliner Cascadia. I have a DD15 motor. Currently, I have DEF light blinking on one bar. With these codes: Fault 1. CAB 33, SPN 522006, FAIL 5 Fault 2. ECU 1, SPN 1231, FAIL 9 Fault … read more
BrentR718
BrentR718
14 satisfied customers
We have a 2014 Freightliner Cascadia with a DD13 motor. We
Hello. We have a 2014 Freightliner Cascadia with a DD13 motor. We have a Code EEC SPN3597 FAIL THE check engine light will go off and the WIL will stay on. The DEF is full … read more
Expert
Expert
5 satisfied customers
2012 freight liner cascade 125 (DEF deleted)...engine will
2012 freight liner cascade 125 (DEF deleted)...engine will start, but the red engine light blinks and after about 30 seconds the engine shuts down. had it towed to a local shop. They put a new ECM on,… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I hv code came spn 1321 spn 9 red engine light. Sorry the
Sorry the code spn1231 fmi 9 Freightliner cascadia 2014 … read more
Expert
Expert
5 satisfied customers
With a code eec61 3361 fail 7 and eec61 5246 fail 15, def
With a code eec61 3361 fail 7 and eec61 5246 fail 15 , def lite flashing , the truck will not let me do parked regen WHY !! … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
My 2014 Cascadia has been sitting for a month now. I start
My 2014 Cascadia has been sitting for a month now. I start it every 2 to 3 days today I started it and immediately a stop engine, check eng lights and a red flashing light on DEF gauge. It shut itself… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a code SPN-1231, the def meter shows a red blinking
I have a code SPN-1231, the def meter shows a red blinking light and no def( there is more than a quarter tank), truck start run a little bit and then shut down … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Fault code fail9 stn1231 eng1. 2016 freightliner cascadia
Fault code fail9 stn1231 eng1 JA: What's the make/model/year of your truck? Engine type? Customer: 2016 freightliner cascadia detroit JA: Are you fixing your truck yourself? What have you tried so far… read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
I have a 2015 Cascadia Freightliner my DEF tank is full but
I have a 2015 Cascadia Freightliner my DEF tank is full but my indicator light says I am empty what can I do … read more
Expert
Expert
5 satisfied customers
DEF issues. faults galore but did regen prior to shift.
DEF issues. faults galore but did regen prior to shift. Thinks DEF low but it's full. All faults degenerated with both ***** *****ghts and now a red light. Def indicator blinking light won't reset. Dr… read more
Expert
Expert
5 satisfied customers
I have a 2012 freightliner Cascadia that the code spn005246
i have a 2012 freightliner Cascadia that the code spn005246 15 came on about 30 min into my drive time. the yellow light was flashing by the def gauge plus check engine light. What does this mean? … read more
Expert
Expert
5 satisfied customers
My truck 2013 cascadia dd15 spn 1231 fail 9 spn 625 fail17
My truck 2013 cascadia dd15 spn 1231 fail 9 spn 625 fail17 spn 625 fail 18 … read more
Expert
Expert
5 satisfied customers
I need help w 2 code I have a Cascadia w dd15 2012 model
hello, I need help w 2 code I have a Cascadia w dd15 2012 model firt code is 1231 pid0 fmi9 in the other 625 acm pt-can dmi message not received or has stopped arriving, i take to freightliner dealer … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
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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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