Question about 2003 GMC Envoy

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2003 gmc envoy 4x4 not working

Went to put my envoy in four wheel drive today and nothing happened. is a fuse?

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  • natnrod Dec 30, 2008

    Was driving in 4x4 and then it decided to stop working and I went into a ditch. Dealer can figure out why it goes in sometimes and not other times. They replaced the actuator switch and it still has a problem. The AWD did work though. Any ideas?

  • mrsoupdad Dec 30, 2008

    I had a suspicion that my 4X4 was not working properly also. I have the same symptoms. When the switch is in AWD the 4 wheel drive seems to work fine, but when I put it in 4X4 mode it doesn't work at all.

  • brucebum Jan 11, 2009

    car will not go into 4 wheel drive,also the light on the switch is out

  • Anonymous Jan 30, 2009

    I have the same problem as the original problem reported on this page. My 2002 GMC Envoy's light is out and my 4 wheel drive is definitely not working, ended up stuck in my drive way. It worked fine yesterday, moved it to AWD yesterday afternoon, as the roads had slightly improved, then last night with more snow I put it back into 4 Wheel Hi, then parked it in the garage, went to drive it a few hours later and there was no light and no assistance from the AWD or the 4 Wheel drive....does anyone have any ideas??

  • easyreider1 Feb 15, 2009

    I've had this same thing happen over the years in my 2003 Envoy. The light on the switch goes out and the "Service 4WD" light comes on. The symtom goes away after a few restarts. No idea what's causing it.



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My 2005 Envoy 4WD is not working. Switc is currently on 2HI, but light is showing AWD. What is the problem???

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