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2008 yukon denali - Cars & Trucks

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Code 430 means the catalytic converter for bank two is not performing at a normal level. The problem could be the cat or something in the fuel system. The computer uses the data from the front and rear O2 sensors to monitor the performance of the cat.

Posted on May 20, 2013

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Posted on Jan 02, 2017

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SOURCE: 02 yukon denali security light stays on will not

Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Posted on Aug 14, 2009

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SOURCE: What the normal transmission temp Yukon Denali XL 2008

TRANSMISSION FLUID NORMAL TEMPERATURE IS 200 DEGREES.

Posted on Sep 28, 2009

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SOURCE: 2003 yukon denali. Speedometer broke. What needs

can you be more specific than "broke"...... does the odometer work? do all the other gauges work? if not, are they accurate.

Posted on Oct 15, 2009

  • 2 Answers

SOURCE: My 2001 yukon denali is saying serevice ride contr...

Seems like a common problem with these trucks. I thought I was the only one. I just posted this comment for someone who has a 2003.....I'm not an expert and not sure how widespread the warning message can be, but in my personal case: I have a 2001 Yukon Denali.....I have the same problem and have for many months. I took it in a few times and the GMC Dealership finally told me that It's the ride air bags. In my case they are leaking. Its not the same safety airbags in the front dash to prevent injury...but these models have air bags under the truck that automatically adjust to level when weight shift...you might hear the occasional sound coming from the back while driving or when more people are in your Denali. To me it sounds like a power tool. The Service tech told me it's not harful nor will it damage anything, but it costs about $2000 to fix, because they have to replace the whole thing. He said you may notice the sound coming on from the airbags more often because of this..because the system is working harder to adjust the weight due to the leak/loss in air. So occasionally for about a year...the light comes on....but it has done nothing else.

I hope this helps.

Posted on Jun 15, 2010

  • 355 Answers

SOURCE: 2001 Yukon Denali: The security light came on my 1999 Yukon Denali ye...

The security system (Passlock) is having problems, it's typical on those trucks. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Posted on Jul 16, 2010

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Sounds like a sprocket in my 2008 Yukon denali striped out. Goes in reverse but not forward


Could be a valve body problem, a shift solenoid problem or the transmission control module causing this.

Nov 17, 2016 | 2008 GMC Yukon Denali

1 Answer

LOW OIL PRESSSURE 2008 GMC YUKON DENALI


2008, I would start with replacing the oil pressure sending unit. Or maybe adding oil.

Feb 16, 2015 | 2008 GMC Yukon Denali

1 Answer

2008 Yukon Denali map dvd doesn't work. It keeps saying "DISC INSTALLED IN NOT A MAP DISC". How come?


All you have to do to remove the disc and press the MENU button on the right side of the touch screen and choose the NAV option to change the search area/database. One of the choices is to eject the disc. Good Luck.

Dec 08, 2014 | 2008 GMC Yukon Denali

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My 2008 gmc yukon denali middle row windows don't roll down all the way? child safety for sure, but can the "safety" be unlocked?


This is normal operation for these windows, there is no way to get around it as the tracks in the door are onyl long enough to allow them halfway.

May 05, 2014 | 2008 GMC Yukon Denali

2 Answers

The backup camera monitor on my 2008 Yukon XL is cloudy.


Moisture and weather is a killer? try cleaning the eye with a Q tip if not it means that the eye is to far out of the resolutions from the weather exposure. Che the dealer for an advice.

Jun 29, 2010 | 2007 GMC Yukon Denali

1 Answer

2008 GMC Yukon Denali XL. Just turned on the car and no audio


This is an electronics issue.

See all the fuses.

Cheers.

Dec 26, 2009 | 2006 GMC Yukon Denali

1 Answer

What the normal transmission temp Yukon Denali XL 2008


TRANSMISSION FLUID NORMAL TEMPERATURE IS 200 DEGREES.

Sep 28, 2009 | 2007 GMC Yukon Denali

1 Answer

Navigation system at Yukon xl 2008 does not read the map DVD


I shipped my 2006 Yukon Denali from USA to Saudi Arabia. When I to purchase the Middle East map DVD for the navigation system. GM Navigation answered me that they do not have the middle east DVD and I should contact the European branch. The dealer in Saudi Arabia is asking for $1200 for the disc and I know it is worth no more than $400. Could you please direct me to someone who sells the 06 Denali navigation map DVD? Thanks..

Dec 05, 2008 | 2007 GMC Yukon XL Denali

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