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12-27-2010, 10:20 AM #1
- Join Date
- Dec 2010
- Lancaster, PA
09 Silverado, Service 4 Wheel Drive message
I have been browsing this forum on and off for a while and just registered today. Great place here!
I wanted to start posting with this issue I have been experiencing with my 09 Silverado CC. I have had my truck for about 14 months and have about 8500 miles on it. I love it. I bought it primarily to tow my travel trailer.
I bought my truck in November of 2009 and with the horrible winter we had last year I got use out of the 4 wheel drive system. Shortly after using the 4 wheel drive a few times I started getting a "Service 4 Wheel Drive System" message on the dash display. When the message is displayed I can not shift into or out of 2wd, auto, 4H or 4L. So, if I am in 4wd I am stuck in it and if I am not and need to be I can not shift into 4wd. none of the little lights on teh slector knob on the dash are illuminated either.
After chekcing the manual, it says that if this message appears, turn off engine, wait a minute and restart. I did this and it seems to work. the massage goes away and the 4 wheel drive works fine. I thought it was ntohign at first. Now it has started happening more frequently. About 6 times or so in the last 6 months....even during the heat of the summer when I don't use 4wd at all.
Now yesterday it happened twice. One the way to the mall for some after x-mas shopping and again on the way home...just comes on while driving. But again, I turn of the engine, wait a bit and restart....message goes away. Since the message goes away and the 4wd works I have not been too concerned. But, since it seems to be more frequent now I am worried with winter coming that I could be in for some trouble if I have an issue when I need 4wd in the snow.
Any ideas what may be causing this? I did mention it to the dealer one time I had it in for oil change. they said they didn't see any codes so they couldn't do anyhting. It is very random and sporadic so I can not replicate the issue for the dealer. Doing some other searches I see that maybe it is a fuse or even a bad switch in teh selector knob? I am not very mechanical so any help would be greatly appreciated!!!!!
Thanks a bunch!!!!!
12-27-2010, 10:40 AM #2
- Join Date
- Feb 2008
- Cloquet, Minnesota, United States
- Blog Entries
It could be a bad switch but the next time it happens you may just have to take it in to the dealer and leave it running...Mike
1997 Chevy S-10 Blazer 4X4 with 330K miles and counting (Hunting rig).
2009 Saturn Aura XE (wifes car)
2011 F-150 Crew 4X4
"Hold it to the floor till you see God.... Then Brake!!!!"
12-27-2010, 01:24 PM #3
Warranties are a fleeting thing, do not wait. Document the problem at the dealer and even if they can not find or fix at that visit, you have at least brought it to their attention. If it happens often enough you can use the Lemon Law to get some relief (doubt it will be neccessary). They made the thing, they CAN fix the thing. It sound as if it could be a dangerous thing under the right conditions and at best prohibit you from driving it as intended. Good luck and stay safe.
And welcome to the forum.2000 GMC YUKON SLT, 5.3L tow pkg, G80 rear/w 3.73 gear
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