Question about 2005 GMC Yukon Denali

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NEDD ACCESS TO AREA BELOW CENTER CONSOLE 2001 YUKON DENALI

DROPPED KEYS BEHIND OPENED LID JUST IN FRONT OF DEEP STORAGE WELL IN CONSOLE - HOW DO I GGET IN THERE TO RETRIEVE KEYS???

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: I have a 2005 Yukon Denali with 66K miles. For

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I had the same problem with my ’02 Denali and I took it down to a local shop yesterday to have a $60 computer diagnostic test done. They told me the catalytic converter was backed up and causing the misfire at high RPM. Easy fix. $230 later they put a new cat which did the trick. They also suggested a tune up (new plugs, wires, air filter, and fuel filter) which I will do myself tomorrow.

The shop also told me that by law, a catalytic converter has to be warranted my law for 80,000 miles. My problem was that I had 81,000 miles. I called some GM corporate number to see if they would plead my case ( told them the situation and wanted to see if they could offer some sort of GM business goodwill that they would “write off” and apply to my situation) They said all I had to do was take it to a GMC dealer and have it diagnosed for $100 and they could forgive me. The shop owner and his son highly suggested I get it done there since it would be covered but it was not convenient for me to drive across town to save a measly $130.00. Plus I really like the work this “mom and pop” shop does and value their honesty.

Here’s a little side info. The GMC dealership said that if it wasn’t covered under warranty, it would have been $900-1100 to change the catalytic converter. WOW! A much different price compared to what the local shop charged me.

Anywho, this post is getting rather lengthy but I saw you were having the same (or similar) problem and thought I’d share my experience in hopes that it might help. Just remember, the computers in today’s vehicles record EVERYTHING you do while driving your truck, from the top speed you drove to work this morning, to an engine misfire. The computer diagnostic will save you time and money by pinpointing the issue at hand.

I do not suggest taking it AutoZone (or the like) because their computer diagnostic is not detailed. I took it there for the heck of it (b/c the auto shop was closed down for the day) and they printed off about 8 different things it could be. And the one the tech at AutoZone suggested I do is the oxygen sensors – and the Denali has 4 of them @ about $99/each. Had I done that, I would have spent $400 and not fixed the problem.

And Firestone thinks highly of them selves apparently. They wanted to charge $180.00 just to plug in the computer and read a screen to tell me what wrong – that’s more than the dealership – yuck!

I wish you the best in solving this issue.

Posted on Jul 29, 2009

  • 36 Answers

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

  • 7353 Answers

SOURCE: 2006 Yukon Denali, oil pressure gauge malfunction

Most likely the oil pressure sensor is bad. Its located in the very rear of engine on top of bell housing area.

Posted on Oct 30, 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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1 Answer

Where is the oxygen sensor located in bank one on 2002 yukon Denali


Bank one is the drivers side. If it is bank 1, sensor 1 the it is in front of catalytic converter...if it is bank 1, sensor 2 then it's the sensor behind the converter on the drivers side

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2006 Yukon Denali, oil pressure gauge malfunction


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Need color codes for radio in 2002 gmc yukon denali


2002 GMC Yukon Car Stereo Wiring Guide
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: N/A
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
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May 23, 2009 | 2002 GMC Yukon Denali

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Keyless Entry Code Box


on the ecu behind and below the dash

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There are 2 fuse panels in the Denali.
One is a panel on the drivers side, its on the dash but facing the door.

The ohter is under the dash and above the pedals, this one is much tougher to access.

Your Owner's Manual should tell you where the fuses are that you need to access.

Jun 15, 2008 | 2004 GMC Yukon

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Yup - you may need to get the grilles and such as well...

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