Question about 2001 GMC Yukon

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2001 gmc yukon

My service 4wd light comes on sometimes when driving then is gone when i turn off and restart car what this mean?

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This means there is a fault in the four wheel drive system, the light reset's each time the key is turned off, then it tests itself after the engine is started, if the fault occurs again the light will come back on.

Posted on Oct 29, 2008


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Why does my service 4 wheeldrive light come on on 99 gmc yukon

I would start by making sure the tire pressure in all the tires are the same and that the tread on the tires have the same amount of tread left. If they are just a little off the Service 4WD light will come on and most of the time that is the problem. Once all 4 tires are equal in pressure and tread wear, it may take a few times of starting, driving around, and shutting the engine off for the light to turn itself off and realize the problem is corrected. Hope this helps but if not, reply and I will keep helping until the problem is fixed.

Nov 08, 2011 | 1999 GMC Yukon Denali

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Service 4wd light on when switched to 4wd hi mode

This means theres a problem with the 4wd, you will need to scan the computer to the trany to see whats going on, may be a soleniod problem or a switch, when ever the computer sees a problem and turns on a service light it stores a code in memory telling you what the problem is, a scan tool is needed to retrive the codes.

Jan 12, 2011 | 2000 GMC Yukon

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GMC Yukon XL is stuck in auto 4wd. Service 4wd light is on message center.

First get the codes from the transfer case control module.This will help in diagnosing the problem.You can try pushing the 2hi and 4lo buttons simultaneously for 10 seconds.This should put the transfer case in neutral. Then try going to 2 hi.See if this will get it out of 4wd.Let me know what you find.If you need more help let me know Good luck.

Mar 02, 2010 | 2001 GMC Yukon XL

2 Answers

My 2001 GMC Yukon seems to be stuck in 4 wheel drive. The drive train is binding up when turning on dry pavement. The push button light is on 2hi and the service 4wd light is on. Is there a way to get it...

It may be the front axel actuator moter(on front axel right side) is not disengaging the axel. There is a 4wd
fuse 15amp in the fuse block under the dash, make sure it's not blown. If the fuse is ok, check the connections at the actuator and the transfer case switch. These are the more common causes for the
problem you have. Give these tests a try and let me
know if you want to go to the next level.
Hope this helps. Good luck.

Feb 12, 2010 | 2001 GMC Yukon XL

1 Answer

4-wheel drive


Jul 24, 2009 | 2001 GMC Yukon XL

1 Answer

4wd service flashed on dashboard

sometimes a fuse might be going bad.....thus leading to lights turning on...i wouldnt pay too muc attention to the light unless it comes on more frequently or stays on. if so definitly get it checked out.

Mar 30, 2009 | 2003 GMC Yukon XL

1 Answer

Service 4wd light

what causes the 4wd to kick in when you have it in 2wd

Mar 13, 2009 | 2004 GMC Yukon

1 Answer

Message center: "4WD SERVICE " LITe on.

sound like a relay problem under your hood is a fuse box with relays and fuses check them that should be your problem....

Aug 15, 2008 | 2001 GMC Yukon

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