Question about GMC Yukon XL

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I have a 2003 yukon xl the service 4 wheel drive light will come on then will go into 4 low by itself and will not go back into 2 wheel drive till i shut off truck for awhile

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Have the switch checked our

Posted on Mar 16, 2011

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1 Answer

2003 yukon xl 1500 "service air bag"


It probably needs a service by a competent garage.

Mar 11, 2017 | 2002 GMC Yukon XL

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I have a 2003 yukon xl that has the ABS light on and the brake light also on, also on the message box were the mileage appears it says service brake system


check brake fluid level first- if low add , second - look at wheels - if a lot of black/brown buildup on wheel- wheel cylinder could be leaking- warning lights tend to come on for a fluid problem

May 10, 2011 | 2003 GMC Yukon XL

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Wet floor on the passanger side in front and behind front seat. took out front seat and nothing. 2003 yukon xl 1500 2 wheel drive


Check your radiator fluid level, if it is low it is a good chance your heater core or the hose to the heater core has a leak. The heater core is a small version of a radiator which has the air from the blower blow across it to force warm air into the cabin of the vehicle. You will need to probe under the passenger's dash to locate the leak.

Nov 16, 2010 | 2003 GMC Yukon XL

1 Answer

97 yukon stuck in 4-wheel low. how do I get it in 2-hi?


select 2 high and reverse truck see does it come out

Feb 25, 2010 | 2003 GMC Yukon

1 Answer

4 Wheel drive not functional


There is a TSB on this problem: TSB #03-04-21-001C

Subject:4WD Switch Indicator Lights Flashing, 4WD Inoperative, DTCs C0327, P0500, P0836, P1875 Set (Replace Encoder Motor Sensor, Reprogram TCCM, Inspect Front Drive Axle Engagement Sleeve for Damage/Repair) #03-04-21-001D - (12/04/2003)



Models:2003 Chevrolet Avalanche, Silverado, Suburban, Tahoe
2003 GMC Sierra, Yukon, Yukon XL
with 4WD and Electric Shift or Active Transfer Case (RPO NP1 or NP8)
You can also try removing the TREC fuse (engine fuse box) and reinstall after 30 seconds. Look up the TSB number I gave you and you'll find alot more information.

Dec 16, 2009 | 2003 Chevrolet Tahoe

1 Answer

Won't shift out of 4 wheel drive low


modulator stuck or damaged located at transfer case take a rubber mallet and hit around where modulator and case connect than try to shift again if nothing than un bolt and lube and move actuator rod, with out try to move electronically w/switch back to 2 wheel drive -if moves should work can replace but look for replacement as back up if happens again just change over

Oct 05, 2009 | 2001 GMC Yukon XL

1 Answer

I have a 2003 Yukon XL that will switch from Auto 4 wheel drive to 4 high or 4 low on its own. The service 4 wheel drive indicator comes on when it is in 4 wheel drive. The fluids in the transfer case...


My 2003 yukon xl does the exact same thing. Sorry that I do not have a solution, but I figure its the same reason the daytime running lights always burn-out. The SUV in general has be an absolute POS and I will never buy another.

Dec 16, 2008 | GMC Yukon XL Cars & Trucks

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