Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a volvo semi.volvo vnl.The lights for the trailer are
I have a volvo semi.volvo vnl.The lights for the trailer are off.the working light is also off and the dash also off.The instrument cluster is fine.it came back yesterday and it went off again.it look… read more
MasterTech Mike
MasterTech Mike
Lead Diagnostic Technician
Academic Honors Diploma
1 satisfied customers
My truck (Volvo VNL 780, D13 engine) has two fault codes,
My truck (Volvo VNL 780, D13 engine) has two fault codes, MID 140 PSID 239 and PSID 235. It also will not connect diagnostics to other items on the tractor such as the Climate unit, Vehicle ECU, Light… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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I have a Volvo 2016 VNL 780. Fault code SA 16 DTC P2CE412.
I have a Volvo 2016 VNL 780. Fault code SA 16 DTC P2CE412. Can you tell me what it is? … read more
Mike Mcmillan
Mike Mcmillan
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I just changed the air pass through on my 07 Volvo vnl 780.
I just changed the air pass through on my 07 Volvo vnl 780. Now the engine will turn over, but not start … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Associate. I have a volvo semi vnl 780 year 2019. I am
Hi associate. I have a volvo semi vnl 780 year 2019. I am getting an error code of check fuse ign fuse at the next stop. What might be the reason? … read more
Edgar.T
Edgar.T
Forman
Associate
98 satisfied customers
2016 Volvo vnl 780 stereo turns on and all functions seem to
2016 Volvo vnl 780 stereo turns on and all functions seem to work but no sound at all from speakers … read more
JoshD429
JoshD429
81 satisfied customers
We just got another code. SPN 2012, FMI 9. Can you please
We just got another code. SPN 2012, FMI 9. Can you please advise, what this code is for, and troubleshooting steps… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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2018 volvo vnl inside lights flickering and voltage is
2018 volvo vnl inside lights flickering and voltage is fluctuating also cluster lcd flickering … read more
Mike Mcmillan
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Need help about roof market lights Volvo vnl 780. 2012 Volvo
Hello, need help about roof market lights Volvo vnl 780 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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607 satisfied customers
I have a 2014 Volvo D13 and a No Data sign just pop up and
Hello!!! I have a 2014 Volvo D13 and a No Data sign just pop up and leave and pop up again. What is that? … read more
Mike Mcmillan
Mike Mcmillan
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Need expert to answer question on Volvo 2006 truck vnl 780
need expert to answer question on Volvo 2006 truck vnl 780 have problems with telescopic steering wheel not moving...cable is fine but wheel is stuck in forward position close to dash and won't move a… read more
Mike Mcmillan
Mike Mcmillan
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What it means EMS2 for 2017 volvo vnl 780. My fuse keeps
My fuse keeps blowing and fan starts running costently, on fuse box its sais EMS2 … read more
Mike Mcmillan
Mike Mcmillan
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I have a Volvo VNL 780 with a Cummins ISX motor, it is not
I have a Volvo VNL 780 with a Cummins ISX motor, it is not cranking and I get no electrical to it but the batteries are full … read more
Mike Mcmillan
Mike Mcmillan
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607 satisfied customers
I have a 2012 Volvo VNL 780 w/D13 500. My A/C is freezing up
I have a 2012 Volvo VNL 780 w/D13 500. My A/C is freezing up sometimes and not its blowing cold air for about 10min then starts blowing hot air … read more
Eurotruck72
Eurotruck72
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122 satisfied customers
2006 vnl with D12 engine pulled it up to the shop went to
2006 vnl with D12 engine pulled it up to the shop went to restart and nothing no gauge active turn key to start nothing have power to radio dome lights headlights stay on and four ways flash starter c… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I have a 99 Volvo VNL 780 w/ Cummins N14 Plus. My issue is
I have a '99 Volvo VNL 780 w/ Cummins N14 Plus. My issue is the cruise control does not work. Also, at idle, I cannot raise the rpm with the cruise control button when sliding the switch all the way o… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2001 Volvo VNL. My gauges dont work. I changed the
I have a 2001 Volvo VNL. My gauges don't work. I changed the cluster, grounded the cab. this truck used to be a FedEx truck, I didn't see any FedEx harness going from the fuse panel going through the … read more
Dieselman36
Dieselman36
High School or GED
We have a 2007 Volvo VNL 780 with a Cummins ISX engine. The
Hi, we have a 2007 Volvo VNL 780 with a Cummins ISX engine. The cruise control works perfectly at cruising speeds but we are unable to increase the rpms while the truck is idling. No Volvo fault codes… read more
FIX-IT
FIX-IT
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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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