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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
5,454 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
5,454 satisfied customers
Spn 1231 fmi 9 2017 DD15. 17 freightliner cascadia. Only one
only one fault code mcm stopped receiving Acm driver was sleeping all of the sudden code hit hard fault can't clear all wiring is checking good … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 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
roybelding
roybelding
Shop Foreman Freightliner trucks
12,564 satisfied customers
RECIEVING CODE SPN1231FMI9 ON A 2015 cASCADIA WITH DD15.
RECIEVING CODE SPN1231FMI9 ON A 2015 cASCADIA WITH DD15 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
2011 freightliner Cascadia with a ECU1 spn 1231 fmi 09. Vin
2011 freightliner Cascadia with a ECU1 spn 1231 fmi 09. Vin ax6373 Been working on tracking down this issue but need more steps in the troubleshooting.Have cleared faults. Comes right back won't clear… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have 2 codes I'm trying to solve, but don't know what they
I have 2 codes I'm trying to solve, but don't know what they mean or where to start. … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,564 satisfied customers
Spn 1231 fail 9. Freightliner cascadia Engine dd15 2013. To
To call me, I've been waiting for someone to call me since last night… read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,564 satisfied customers
Heavy duty truck repair on freightliner dpf system. Getting
heavy duty truck repair on freightliner dpf system … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
Where can I find the family code on my 2012 freightliner
where can I find the family code on my 2012 freightliner cascadia … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
482 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
roybelding
roybelding
Shop Foreman Freightliner trucks
12,564 satisfied customers
I have 2012 Freightliner Cascadia that is holding on one
Hi, I have 2012 Freightliner Cascadia that is holding on one gear … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
2012 Freightliner dd15 I have Data bus error 09 SPN 0011231.
2012 Freightliner dd15 I have Data bus error 09 SPN(###) ###-#### Engine turns over but won't start … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,564 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
5,454 satisfied customers
Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn
Have a 2012 Freightliner with a dd15. Have an eng 1 1231 spn fail 9 and fault 1 code. Filled with def about 20 min ago but def gauge is blinking red like it's empty … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
ECU 1, 1231 SPN, Fail 19 / ECU1, 625 SPN, Fail 17 / EEC 61,
ECU 1, 1231 SPN, Fail 19 / ECU1, 625 SPN, Fail 17 / EEC 61, 639 SPN, Fail 07 / 2012 Cascadia DD15 Low Def Indicator has defrayed engine while Def tank is full. … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
12,564 satisfied customers
2012 Freightliner casccadia engine dd15. Changed clutch
2012 Freightliner casccadia engine dd15. Changed clutch automatic transmission after that for fault codes came. Acm pt ca dm1 message has not received or stopped arriving fault codes 625- 9 and 1231- … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I am having problem with 2012 cascadia fault code 1231 9 625
i am having problem with 2012 cascadia fault code 1231 9 625 9 it hapent after i change automatic clutch … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 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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