Last post on Dec 05, 2013 at 2:34 PM
You are in the GMC Yukon
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GMC Yukon, GMC Yukon Denali, GMC Yukon XL, Electrical, SUV
#161 of 169 Re: 05 Denali xl electrical "ghost in the machine" [elcee3]
Oct 19, 2013 (5:40 pm)
elcee3 - Did you find out what the issue was?
I'm finding the following issues happening now with my 05 Yukon as well:
- Radio stays on even after you turn off the truck and open the door
- Heater on driver side comes on and the control lights go on and of at variable settings. You can turn it off, but it comes back on.
- clock is staying on after truck is off.
These are all random and might happen once today, then not again for a few days, then a bunch at once. It's craziness!
Anyone know what the issue likely is? Seems there are to comments I see in this thread -- battery cables and computer update.
#162 of 169 2000 yukon xl dead battery issues
Nov 01, 2013 (10:00 am)
S.O.S anyone found out why these vehicles are doing this? I have a 2000 Yukon XL, my battery dies overnight. charge and It starts up and runs lately it'll start up run I'll turn it off and then it won't start up again. now the car flickers radio stays on, it almost seems as if the remote start is the corporate , if I press the break pedal and take the keys out then everything seems to reset. Then I have to charge for a few hours ad I can drive. I Dont understanding what's wrong . help
#163 of 169 Re: 05 Denali xl electrical "ghost in the machine" [zyvxn1]
Nov 01, 2013 (11:04 am)
Follow-up on my problem (listed in post 161) -
I was told the heater control doing the light dance and coming on and off was a bad unit in the driver seat. I was told the part was $600+ and total bill is estimated over $800. I asked about simply disconnecting it, but that would kill the seat memory and the ability to adjust the seat. As such, I'm kind of stuck.
The radio and things staying on is a separate problem. They can't reproduce the issue (crazy), so they aren't sure what it is. They said it could be any of several modules in the truck but is most likely a service module in the door that controls when things go off. They said the battery cables and everything were not the issue.
If others have seen this issue, please post any info you might have as well.
#165 of 169 08 Yukon Denali XL Service Battery Charging System
Nov 17, 2013 (1:53 pm)
I noticed last night while driving that my headlights would get brighter and the voltage meter would increase above 15 volts. The lights would dim and the volt meter would drop back to 14 volts. Also, the microphone located in the headliner has started to make a "feedback" noise. What could be causing this. I just replaced the battery twice. The first was an AC Delco from the dealer and the new one is an Interstate.
#166 of 169 GMC 2010 Yukon XL Electrical Issues
Nov 25, 2013 (7:51 pm)
I have read many posts on similar issues, here is mine. We purchased this 2010 Yukon used in March 2011 with about 18K miles. This summer the battery went dead while the back was open while loading the vehicle after a camping trip. I have since shut off the dome lights when loading/unloading to eliminate the issue. Twice this past month, it was dark so I left the engine running and had the lights on. The first time it worked and I was able to start the vehicle in the morning. This past weekend, it was dead and had to be jumped for a while to start the engine. There are no chargers plugged in to create a drain. There is no issue when I am not loading/unloading. I had the battery checked today and it is fine. However, the drain test (high beams, high heater fan, 2000 rpm) showed an issue. The voltage meter showed the volts from unloaded to loaded was fine. Can the battery cables be easily changed or does it require a professional?
Dec 05, 2013 (12:48 pm)
Out of the blue, the driver seat in the Denali quit moving forward and backwards, but everything else is working. With all the other issues I have read on this forum with the heated seats, could this have caused the problem? I can't find anything that is disconnected or anything of that nature. The car is very clean and nothing is in the way. Only thing different is running the heated seats because it has been really cold...HELP???
#168 of 169 Re: 05 Denali xl electrical "ghost in the machine" [zyvxn1]
Dec 05, 2013 (1:28 pm)
I thought I'd follow up on my previous posts --
The issue of the radio staying on in my truck has been identified. You can actually pull the key out before it is turned all the way off. I was told to make sure I've turned it all the way before removing the key. There are some parts that can be replaced to eliminate this issue, but if I simply turn the key farther, it is supposed to be okay. ($300+ to fix versus turning key farther).
On the electrical issues with seat warmer and its lights going on and off -- I had the unit in the seat replaced (yes, over $800). It's been a couple weeks and it looks like the problem is coming back, so that might have been a poorly spent $800.....
#169 of 169 Re: The seats... [mommashawna]
Dec 05, 2013 (2:34 pm)
Hi, The best thing to check in my opinion is the big plug for the seat located under the seat and best to reach it from the back.
it has a common problem with one or more wires getting hot and and losing connection. Most common is the big black wire that is likely ground for more than one thing. Unplug the harness and check each wire to make sure it is seated tightly in the plug. If you can get the seat to move all the way forward and up it makes it real easy to get to.
This is where you should start. I know how frusterating these things can be.
Hope this is helpful.