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GMC Yukon XL and Yukon XL Denali

4070 messages,  Last post on Nov 24, 2009 at 8:08 AM

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What is this discussion about? GMC Yukon XL, SUV


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#4037 of 4070
Re: 2002 Yukon Denali XL ignition key won't turn [jeyarda] by cheapengineer
Jan 06, 2008 (8:46 am)
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Replying to: jeyarda (Jan 06, 2008 8:20 am)

Wiggle the steering wheel back and forth while your foot is on the brake and you turn the ignition key.
#4038 of 4070
2001 yukon xl question by ctd8364
Jan 31, 2008 (12:55 pm)
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i have an 01 yukon xl with the 5.3 liter i am looking to get a fitch fuel catalyst. so i went to the website and they dont have one for that year only 2006-2008.. but there is one for the chevy suburban in my year what is the difference if any .. could i purchase that one and be alright or wat? and does this product actually work? any mods to help the gas mileage and power that actually work?
thanks
#4039 of 4070
Keyless Entry Problem on 2007 Yukon XL by bigchuckwagon
Feb 08, 2008 (3:30 pm)
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The Keyless Entry feature on my 2007 Yukon XL has quit working correctly. I've changed to the spare keyfob and made sure that the DIC was programmed to original factory settings. Neither tactic helped.
The entrance door must be opened manually......but once inside, the keyfob will actuate the Keyless Entry system (it'll unlock or lock the doors). When I park the Yukon, the Keyfob will lock the doors as I leave......but will fail to unlock the doors if I'm gone for more than a minute or two. In other words, the system fails if I don't use the Keyfob for a minute or two. So long as I actuate the Keyfob every 15-seconds, it'll keep on working. Anybody got ideas?
#4040 of 4070
Re: Keyless Entry Problem on 2007 Yukon XL [bigchuckwagon] by fixitrod
Feb 10, 2008 (10:14 pm)
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Replying to: bigchuckwagon (Feb 08, 2008 3:30 pm)

A funny thing happened the other day to my 2003 Yukon XL. My speedometer just stopped registering speed.The Homelink won't set and the power seat adjustment are confused...i.e. when I push up the seat goes down. My point...the brains on these trucks have got too much on the mind. I disconnected my battery for a change to an optima red top and to install an intake kit and Gibson exhaust last month. and it hit me that thats when things started going wacky. I disconnected the battery again and allowed the brain to reset itself. Now speedometer works fine. Homelink still won't set so it may be my garage door opener system and the seats I figured out. Truy to disconnect your battery for a few minutes and see what happens.
Does anyone know if I can get the factory radio to turn on an aftermarket amp. I want to add a subwoofer and have been told I can use a output control converter(line output converter) but what is going to turn on the amp. I have the Bose system so something must turn that amp om.
#4041 of 4070
Re: Keyless Entry Problem on 2007 Yukon XL [bigchuckwagon] by berkut027
Feb 16, 2008 (3:46 pm)
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Replying to: bigchuckwagon (Feb 08, 2008 3:30 pm)

I recently had the same problem on mine and found the solution right here on Edmunds.com. See Post 499 in the "GMC Yukon and Yukon Denali Problems" forum, which refers to:
 
"Tech confirmed failure key fobs using recommendation doc 1861180 put system to sleep removed rcdlr reinstalled fuse retested all OK"
 
I took this info to my dealer and they repaired it--working fine now. One oddity--the service desk person said that they fixed the problem by replacing the remote keyfob--said there were a bad batch of keyfobs and mine was one of those. I don't think this is the case as my other original keyfob is now working whereas it wasn't before the repair. I think the fix is a software configuration thing on the car itself and has nothing to do with the keyfobs--there may be other problems with certain batches of keyfobs, but it's not the cause of this particular issue.
 
Good luck.
#4042 of 4070
Slipping transmission by jskyking
Feb 17, 2008 (8:04 am)
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2004 Yukon XL. There seems to be grinding in the rear of the vehicle. It is intermittent and often goes several weeks without surfacing. It usually happens at low speeds and etiher during the first few minutes after driving or after a long drive.
This past week, the 4WD Check light has illuminated.
Anyone out there with a similar scenario? thanks jt
#4043 of 4070
Yukon XL Driver Side Seat Controls - REVERSED! by rkg1
Feb 26, 2008 (9:09 am)
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Lately, my driver side Seat controls (on our 2003 Yukon XL) are working in reverse. If you press the seat to go forward, it goes back. If i press it to go back, it goes forward.
 
Any advice???
 
I took it to the dealer, because when it's working properly (not reversing) the seat won't go all the way forward. I originally thought something might be stuck under the seat. The dealer said I need a "seat extender" and that costs $700.00 !!!
 
When the switches are in reverse-mode, the seat does go all the way forward.. .so I know that it can.
 
It's just I never know which way the seat will move, and how far it will go. It's annoying because when I turn the car off, the seat automatically moves back (for easy exiting), and then I lose any good settings I may have had.
 
Has anyone encountered this????
All advice welcome!!
#4044 of 4070
Re: Yukon XL Driver Side Seat Controls - REVERSED! [rkg1] by fixitrod
Feb 26, 2008 (7:44 pm)
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Replying to: rkg1 (Feb 26, 2008 9:09 am)

My 2003 Yukon does the same thing and I am also having trouble with the
1. Homelink not pairing(Could be my model of garage door opener).
 
2. Radio is on the blink intermittently but off more than on) Dealer said the radio was bad but I am wondering if its the amp because its all sources that won't deliver sound when it drops out. Display works, etc. but no sound.
 
3. DVD player now won't load
 
4. Power seat driver does the opposite of what direction I push it in. The driver memo and exit functions seems to work but I am wondering if this 700.00 seat extender is mechanical or electrical. If electrical could it have anything to do with other circuits. In my experience with GM vehicles they seem to tie in a lot of electronics/electricals i.e. "multifunction" switches. The problem is when they go screwy not one but all systems tied in get effected. These are great trucks but they hace issues that are annoying. Maybe why Consumer reports won't recommend even the new beautiful 2007/8
#4046 of 4070
Re: Yukon XL Driver Side Seat Controls - REVERSED! [fixitrod] by rkg1
Mar 03, 2008 (11:15 am)
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Replying to: fixitrod (Feb 26, 2008 7:44 pm)

Did you ever fix your seat problems??
 
We also have problems with our DVD player (thought I always assumed it was due to the fact that we put it in aftermarket). Sometimes it won't power on or off and the DVD's are always freezing in it.
 
I do tend to think that the electrical problems are all somehow related..

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