Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
I have a frieightliner M2 business class that has 2 trans
I have a frieightliner M2 business class that has 2 trans fault codes. … read more
timdieseltech
timdieseltech
diesel tech
Vocational, Technical or Trade School
98 satisfied customers
2015 > Freightliner > M2-106 > 8.9 L 540 L6 Cummins ISL
2015 > Freightliner > M2-106 > 8.9 L 540 CID L6 Cummins ISL Diesel 3ALHCYCY6FDGM6211, CEL and trying to regen, horn keeps going off what causes that?… read more
AMANDEEP MAHERU
AMANDEEP MAHERU
1 satisfied customers
SPN 4364/FMI 18 - EPA10 Selective Catalyst Reduction NOx
SPN 4364/FMI 18 - EPA10 Selective Catalyst Reduction NOx Conversion Low how do I troubleshoot this or fix it? … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
185 satisfied customers
Bh 164 SID 082 Fault 06 Today the mechanic at a local shop
Bh 164 SID 082 Fault 06 Today the mechanic at a local shop told me the engine has no power. … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
185 satisfied customers
Transmission code SA: 3 Trans SPN 6824 FMI:4. Its a 2019
they shut it of and back on again the code cleared but everyone is freaked out because it wouldn't go into gear … read more
Edward Haniewski
Edward Haniewski
General Studies/Automotive
1 satisfied customers
Getting code TxId: 3 SPN: 2003 – Source Address 3 FMI: 31
Getting code TxId: 3 SPN: 2003 – Source Address 3 FMI: 31 Count: 127 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
15 m2 6.7isb spn 4344 fmi 5, 2015 freight m2 6.7 isb, yes
yes dealer is 5 weeks check for power at connector for htr 3 … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
185 satisfied customers
2012 freightliner m2 spn 6891 fmi 4. Need to know what wires
Need to know what wires to check chm fuse under hood is good … read more
roybelding
roybelding
Shop Foreman Freightliner trucks
Associate Degree
10,075 satisfied customers
Have a Freightliner M2 with a Cummins ISB 6.7 325 Hp with a
Have a Freightliner M2 with a Cummins ISB 6.7 325 Hp with a SPN 3360 FMI 9 Fault. Took it to the Cummins Dealer and they said it was a bad key switch shorting to ground. Replaced the key switch same i… read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
Spn 2003 fmi 31. Tranny oil had a smell. Replace the
spn 2003 fmi 31. Tranny oil had a burnt smell. Replace the transmission Allison 3500. on a freightliner M2 with cummins engine. 2012 year. code is still present. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Truck won't crank or start unless we unplug the fuse box.
Truck won't crank or start unless we unplug the fuse box … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Engine is under powered with all engine code lights on.
Engine is under powered with all engine code lights on. Trouble codes are BH33 and Spu69-18stn … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a 2016 Freightliner M2 Business Class Cummins/Allison
I have a 2016 Freightliner M2 Business Class Cummins/Allison with 61,000 miles. intermittemnt problems with shifting and Range Inhibit light coming on. Usually reseating the electrical connectors on t… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Have 2013 106 freightliner tow truck with 6.7 cummins and a
have 2013 106 freightliner tow truck with 6.7 cummins and a allison 6 speed automatic trans. my question is how come the motor is shifting gears at 2200 rpm when up shifting but when it down shifts it… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Working on 2006 Freightliner M2 getting a spn 2003 fmi19
Working on 2006 Freightliner M2 getting a spn 2003 fmi19 code truck will not start, trans controller doesnt come on either checked fuses checked battery connections still no power to trans… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
2009 Freightliner m2 106 business class cummins isb 240 Check
2009 Freightliner m2 106 business class cummins isb 240 Check engine lights on codes are as follows. Active -1 Egr 1 valve 1 control 1 HDS J1939-ch1 SPN 2791-FMI 13 Inactive -2 AFT 1 DPF Differential … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
I have a 2013 m2 fr8 with a isb cummins and a Allison auto
I have a 2013 m2 fr8 with a isb cummins and a Allison auto trans. it has a no start condition and a 2003 19 code had the tcm tested it was good checked all wiring harnesses found no problem any ideas.… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I am trying to install a secondary display to show gauges/indicator
I am trying to install a secondary display to show gauges/indicator lights in a secondary cab. The display gets data from the J1939. Truck is a 2013 Freightliner with Cummins ISB 6.7. We are able to s… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 satisfied customers

Road Service mechanic for Volvo Construction.

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x