GMC

GMC troubleshooting questions? Ask a mechanic for answers

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

Related GMC Questions
OnStar notified me there is a trouble code for my ABS system
OnStar notified me there is a trouble code for my ABS system (C0040) on my 2006 GMC Sierra 2500 HD but couldn't tell me what the code meant. Can you tell me if it's a sensor or similar that I can repl… read more
Joe Prestia
Joe Prestia
Automotive Repair Specialist
1,057 satisfied customers
2015 GMC Denali 4x4. Whenis engaged drivers seat along with
2015 GMC Denali 4x4. When*****is engaged drivers seat along with mirrors and brake and fuel pedal move. Does not happen all the time. … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
30,987 satisfied customers
Just bought a 2006 GMC 2500 Sierra pickup. Has a 6.6 Duramax
Just bought a 2006 GMC 2500 Sierra pickup. Has a 6.6 Duramax engine. Someone installed a Edge tuner on the truck. Yesterday i went to start the truck, it startedup and shut off right away. I noticed t… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
30,987 satisfied customers
I've got a 2013 GMC Denali HD with the Duramax. When I go to
I've got a 2013 GMC Denali HD with the Duramax. When I go to shut my pickup off and turn the key off it's keeps running. I read on some Duramax forums that people running lift pumps that sometimes the… read more
Daniel Chaidez
Daniel Chaidez
Technician
Diploma
1,739 satisfied customers
Service Def system warning speed reduced to 55 we are
Service Def system warning speed reduced to 55 we are traveling anyway to bypass it? … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
30,987 satisfied customers
Is the 2004 gmc sierra 3500 6.6 diesel dually have the same
is the 2004 gmc sierra 3500 6.6 diesel dually have the same chassis as a 2015 2500 gasoline for the purpose of removing a snow plow from the 2015 and installing it on the 2004… read more
Edward Wright
Edward Wright
mechanical
164 satisfied customers
On star could not connect and now nothing. 2018 2500 Denali.
On star could not connect and now nothing JA: What is the model/year of your GMC? Customer: 2018 2500 Denali JA: Are you fixing your GMC 2500 yourself? What have you tried so far? Customer: Just tried… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,116 satisfied customers
Universal Remote System lights don't come, nor am I able to
Universal Remote System lights don't come, nor am I able to program it. The no lights situation makes me thing fuse... any idea please. I just bought the 2014 Sierra Denali 3500 with 4x4 and duallys. … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
30,987 satisfied customers
I have a 2018 GMC Sierra 2500 HD Denali with the gas engine
Hi Pearl.... I have a 2018 GMC Sierra 2500 HD Denali with the gas engine with only 1200 mile on it and have a coolant leak. … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
272 satisfied customers
GMC 2500 HD Sierra SLT 6.0 - Need to know which fuses to
GMC 2500 HD Sierra SLT 6.0 - Need to know which fuses to remove for the Onstar, XM radio, and remote start. I am trying to install a Hypertech speedometer calibrator programmer and it says to remove t… read more
Gary
Gary
ASE Certified Technician
Vocational, Technical or Trade Scho
1,589 satisfied customers
I'm looking for the fuses for remote start and onstar in my
I'm looking for the fuses for remote start and onstar in my 2016 GMC Sierra 1500SLT … read more
Todd M
Todd M
Owner
ASE Certification
1,973 satisfied customers
I have a 2015 GMC Sierra 2500 HD Denali, My truck suffered
Hi Experts , I have a 2015 GMC Sierra 2500 HD Denali , My truck suffered damaged in the engine under covers , I'm not fully aware of wich part to order to make a replacement , also I'm in a country wh… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
766 satisfied customers
Are you live : maybe you can help : my wife had low fuel
my wife had low fuel light on our new 1025 GMC denali 2500, she added diesel and started to loose power, then pulled off the road, now it wont start … read more
Master Auto Tech.
Master Auto Tech.
High School or GED
546 satisfied customers
This is from a previous post but I have the exact same issue
This is from a previous post but I have the exact same issue with my 2015 Acadia Denali. Is there a noise filter that can be installed? Where is the satellite radio module located in this vehicle: Fro… read more
Joe Prestia
Joe Prestia
Automotive Repair Specialist
1,057 satisfied customers
I am going to flat tow (dinghy tow) my 2015 GMC Sierra
I am going to flat tow (dinghy tow) my 2015 GMC Sierra Denali 2500HD 4WD Diesel (crew cab, standard box) behind my motorhome. Owner's manual says I need to disconnect batteries. Is the concern that th… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
30,987 satisfied customers
gmc pickup duramax: I have a 2007 gmc duramax some times it
I have a 2007 gmc duramax some times it wont start just does the light flashing in the dash if u pull the fuse for the pcm and leave the key on for ten minutes thenput the fuse back in it will start t… read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
766 satisfied customers
My 2003 GMC Sierra 1500 radio with the 6 CD player does not
My 2003 GMC Sierra 1500 radio with the 6 CD player does not seem to change radio stations anymore but the #'s change by the nob or on the steering wheel and you can see the #'s change on the face of t… read more
Don - Mo Lurch
Don - Mo Lurch
ASE Certified Technician
Vocational, Technical or Trade Scho
248 satisfied customers
I have a 2008 GMC Sierra SLT with a non-Bose radio, XM and
I have a 2008 GMC Sierra SLT with a non-Bose radio, XM and on-star. I would like to replace the radio with a navigation radio. What's the best approach… read more
lt1camaro03112
lt1camaro03112
Automotive Technician
115 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:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

30,987 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,589 satisfied customers

GCM master tech over 25 years

Dave Nova

Dave Nova

GMC Technician

929 satisfied customers

ASE Master Certification. GM World Class Certification

Chris (aka-Moose)

Chris (aka-Moose)

GMC Technician

766 satisfied customers

16 years of experience

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Don - Mo Lurch

Don - Mo Lurch

ASE Certified Technician

248 satisfied customers

GM, GMC, Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics

Mike S.

Mike S.

ASE Certified Technician

241 satisfied customers

GMC N.A.I.S.E. Certified Auto-Mechanic

< 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