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I have a 2008 GMC Yukon XL Denali. Last night while cruising
I have a 2008 GMC Yukon XL Denali. Last night while cruising about 40-50 mph it bucked a few times and just seemed to stall. Coasted into parking lot with nearly no brakes and steering. Seemed to cran… read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
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2015 Yukon xl, engine will turn off but radio doesn't turn
2015 Yukon xl, engine will turn off but radio doesn't turn off when driver's door is opened. Also, won't restart when start button is pushed and brake is depressed. It just cycles thru various alarms.… read more
William Cole
William Cole
service oof heavy equipment
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Vehicle is a 2012 Yukon Denali, but the question is
Vehicle is a 2012 Yukon Denali, but the question is generic.....Left Hi beam works..... Right Hi Beam works sometimes.... LO Beams usually not. Driving a few miles flipping back and forth brights/low … read more
Chris (aka-Moose)
Chris (aka-Moose)
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Vocational, Technical or Trade School
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I have a similar problem with my 2012 Yukon XL Denali where
I have a similar problem with my 2012 Yukon XL Denali where the L and R brake lights don't work but the 3rd brake light does and I also tested the trailer brakes and everything works there. Flashers a… read more
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Todd Audette
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Vocational, Technical or Trade School
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My airbag fuse keeps blowing and then the airbag light
my airbag fuse keeps blowing and then the airbag light illuminates, and the compass/temp and other rearview mirror functions go off. it goes back to normal when I replace the fuse. … read more
Chris (aka-Moose)
Chris (aka-Moose)
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Vocational, Technical or Trade School
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I have a weird electrical issue - It started with the dvd
Hey! I have a weird electrical issue - It started with the dvd player shutting off for a second or two randommly. Then I started having a few things on the dash shut of for a second. Then 3 days ago i… read more
Mechanic01
Mechanic01
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2007 yukon xl denali. 180k miles Installed new Sears die
2007 yukon xl denali. 180k miles Installed new Sears die hard gold battery last week. Driving today at 30mph, traction control, service stabilitrak light, etc., went on. Car started running rough - so… read more
BOBBYSS
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2003 GMC Envoy XL brake lights stay on and cruise control
2003 GMC Envoy XL brake lights stay on and cruise control does not work … read more
Gary
Gary
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Vocational, Technical or Trade Scho
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When I plug in the stop fuse, the top tails go on but the
When I plug in the stop fuse, the top tails go on but the brake lights do not work. the CHMSL works fine. I replace brake switch - still have an issue … read more
BOBBYSS
BOBBYSS
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2004 Yukon denali xl.....Today my wife was driving and was
2004 Yukon denali xl.....Today my wife was driving and was in stop and go traffic due to a accident for about two hours. Well she then told me that at one point tc with a lock flashed across the dash … read more
HONDASERVICE7791
HONDASERVICE7791
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high school then 1 year of college
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I'm looking at a board you answered 2 yrs ago in which you
I'm looking at a board you answered 2 yrs ago in which you said "The most likely cause is a bad ignition lock cylinder"...just had this replaced (ignition switch and lock cylinder) after having tried … read more
Gm Tech (Cam)
Gm Tech (Cam)
GMC Mechanic
Vocational, Technical or Trade Scho
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2003 GMC Yukon XL 1500... I replaced the fuel filter, fuel
2003 GMC Yukon XL 1500... I replaced the fuel filter, fuel pump and fuel pump relay. Before doing all of that, someone ran it out of gas and it wouldn't start again with new gas. So, over the past few… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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I live in Saudi Arabia where the typical summer high temperature
I live in Saudi Arabia where the typical summer high temperature is a very humid 110-125F. The AC (with automatic climate control) in my 2004 GMC Yukon Denali XL only seems to work when I select both … read more
Pete
Pete
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General auto certifications
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gmc Yukon Denali: 04 Yukon denali heated driver seat
04 Yukon denali heated driver seat lights up and shuts off instantly. passenger will run all day until driver is turned on. believe I found the peddle position sensor, unplugged, no change. cant seem … read more
Eric
Eric
Retired
N/A
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GM Yukon XL: Hi, My 2003 Yukon xl was parked on a steep bank
Hi, My 2003 Yukon xl was parked on a steep bank (maybe 25-30 degree slope) and in idle when it stalled after sitting there a couple minutes. Gas had been near empty but not in danger of running out. W… read more
Dave Nova
Dave Nova
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My 2002 GMC Yukon Denali has Arnott shocks with an Arnott
My 2002 GMC Yukon Denali has Arnott shocks with an Arnott Compressor. It has worked for a year. Now the rear shocks are bottoming out when driving. The shocks hardly have air in them. My mechanic said… read more
Pete
Pete
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GMC Yukon XL 1500 Denali: 2003 Yukon Denali XL wont start.
2003 Yukon Denali XL wont start. Put key in and dashboard looks perfect. Turn the key and the dashboard looks as if I took the key out. Every gauge goes to off position and not a sound from the engine… read more
Gary
Gary
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Vocational, Technical or Trade Scho
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GMC Yukon XL 1500: I have a 2004 Yukon XL, I just installed
I have a 2004 Yukon XL, I just installed a new alternator. It started then shut off. Fuse IGN B keeps blowing, and the truck will not start(not even turn over).… read more
Dave Nova
Dave Nova
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Meet the Experts:

Gm Tech (Cam)

Gm Tech (Cam)

GMC Mechanic

2,126 satisfied customers

GM Grand Master Technician 2007. 14 year experience.

Gary

Gary

ASE Certified Technician

18,052 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

904 satisfied customers

24 years of experience diagnosing & repairing

JFN1

JFN1

ASE Certified Technician

272 satisfied customers

GM Master Technician

Mike S.

Mike S.

ASE Certified Technician

256 satisfied customers

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

George H.

George H.

ASE MasterTechnician

233 satisfied customers

15+ Years ASE Master Technician with Level 1 Certification

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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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