GMC

GMC troubleshooting questions? Ask a mechanic for answers

Ask an Expert,
Get an Answer ASAP!

Related GMC Questions
My 1999 Denali has an intermittent starting problem that I
My 1999 Denali has an intermittent starting problem that I was trying to correct with the 30 minute anti-theft reset procedure but the telltale does not turn off after 10 or even 20 minutes...any sugg… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
270 satisfied customers
My yukon denali has the service engine soon light on. 2002.
my yukon denali has the service engine soon light on … read more
Stephen, MBA
Stephen, MBA
Master's Degree
166 satisfied customers
When I start out my traction control systems kicks on and
when I start out my traction control systems kicks on and bogs the truck down … read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
When I turn my Yukon XL off the security light starts
When I turn my Yukon XL off the security light starts lashing and beeping … read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
270 satisfied customers
Its my daughter's GMC Yukon Denali, she is trying to get it
Hi, its my daughter's GMC Yukon Denali, she is trying to get it through emissions, but keeps getting the p0011 code. She has had some work on it, not sure what, but they can't seem to get around this … read more
fordguy4u
fordguy4u
Automotive Tech
Vocational, Technical or Trade Scho
70 satisfied customers
2016 Yukon Denali with push button start. Need to rest the
2016 Yukon Denali with push button start. Need to rest the "Theft Alarm" system. I pulled the fuse and now it needs a rest procedure. … read more
Eric
Eric
Retired
N/A
14,436 satisfied customers
The air bag light cam on after changing the battery. I have
The air bag light cam on after changing the battery. I have had the codes cleared and the front inpack sensor changed but the light is still on. … read more
Chris (aka-Moose)
Chris (aka-Moose)
GMC Technician
Vocational, Technical or Trade School
626 satisfied customers
Can't get it to start. New battery. All electrics are good.
Can't get it to start. New battery. All electrics are good. Suspect anti theft logic is not letting car start. Seat heaters do on work. Checked ign.3 fuse and it was good. … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,796 satisfied customers
My Denali will not start due to the alarm. Battery amps are
My Denali will not start due to the alarm. Battery amps are good. I have tried diconnectin and reconnecting the battery. Still wont start .Its an Xl … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,796 satisfied customers
I have a '10 Yukon XL Denali with 135K miles. I slowed to a
I have a '10 Yukon XL Denali with 135K miles. I slowed to a stop sign, towing a trailer, on my way to refuel with about 1/8 tank. Motor shut off when I stopped and wI'll crank over but not turn back o… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
My husband changed the battery and now the anti theft system
My husband changed the battery and now the anti theft system won't allow it to start 2003 Yukon Denali... it was bought used and no original keys … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
GMC Yukon Denali: Hello i have a1999 Yukon Denali...i changed
Hello i have a1999 Yukon Denali...i changed the starter that went out. When i reattached the battery the anti theft system came on. When i bought the truck it did not come with a remote. I Hyatt use m… read more
JFN1
JFN1
ASE Certified Technician
Vocational, Technical or Trade Scho
270 satisfied customers
GMC Yukon Denali: Hi i have a 2003 GMC yukon denali and the
Hi i have a 2003 GMC yukon denali and the heated seats and seat controls stopped working on both seats but seem to work if i move the cables underneath. How do i disconnect the air bag to the seat so … read more
supermechanic
supermechanic
Service consultant
Vocational, Technical or Trade Scho
10 satisfied customers
GMC yukon denali: 2000 yukon denali it starts and runs for
2000 yukon denali it starts and runs for a second then dies just prior to the problem i disconected the battery i think its a security problem please help took it to dealer no help now they want to ch… read more
Dan
Dan
Technician
Vocational, Technical or Trade Scho
26,182 satisfied customers
GMC Yukon SLT: i have a mass air flow sensor code with an engine
i have a mass air flow sensor code with an engine light comming on. new plugs wires and airflow sensor. garage flushed injectores when vehicle had very little fuel in the tank. Symptoms are engine spu… read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
GM XL Denali: Security system on my Yukon Denali will not start,
Security system on my Yukon Denali will not start, shutting me out. The security light has not gone out, though I have waited for more than twenty minutes. Hood is down and the security symbol flashes… read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
1,796 satisfied customers
GM yukon denali: I have a 2000 Yukon denali I recently replaced
I have a 2000 Yukon denali I recently replaced the motor in it with a 350 vortec out of a 1996 GMC sierra. Motor was running fine in sierra before I removed it. Motor in my denali was running but had … read more
Dan
Dan
High School or GED
1,401 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

1,796 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

1,588 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

626 satisfied customers

16 years of experience

Ron Z.

Ron Z.

- GMC Tech -

279 satisfied customers

18+yrs experience. State Inspector & GMC Diagnostics/Repair

JFN1

JFN1

ASE Certified Technician

270 satisfied customers

GM Master Technician

George H.

George H.

ASE MasterTechnician

228 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

< 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