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12-01-2016, 09:13 PM
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#1 |
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Registered User
Join Date: Jun 2011
Location: East Tennessee
Posts: 35
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Service 4wd
I have a 06 z71. Randomly for the last year the service 4wd message has been coming on but would go off quickly. It has now came on to stay apparently. Any tips on troubleshooting?
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1950 Chevrolet 3100 2006 Silverado Crew Cab Some other scrap |
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12-03-2016, 03:41 AM
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#2 |
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Registered User
Join Date: Apr 2013
Location: Nor-Cal
Posts: 632
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Re: Service 4wd
check the grounds?
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WHO_DCTC - Wifes 05 Z-71 Build - Now defunct as she decided she wants an Escalade too Cream Puff - LS'd Square - Slow going on the back burner Tripple Threat - 3 Wrecks for the price of one build thread Project Delongdium - Step-Sons Plastic Clad 2003 Avalanche - DONE and Delivered. |
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12-03-2016, 03:18 PM
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#3 |
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Registered User
 
Join Date: Dec 2001
Location: Pace, FL
Posts: 2,155
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Re: Service 4wd
On my 04 Tahoe, I had the message come up after driving through deep water and it would also get stuck in auto 4x (push button selector)..apparently the transfer case encoder motor gets water in the connector and doesn't work properly until it dries out. Just an idea if you have push button 4x. Mine cleared up in a few days of driving.
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1942 Master Deluxe 1969 C/10 1985 Blazer CUCV 1987 Jimmy 2004 Tahoe 2005 Silverado 1500 2005 Silverado 3500 |
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12-05-2016, 01:47 PM
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#4 |
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Registered User
Join Date: Jun 2011
Location: East Tennessee
Posts: 35
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Re: Service 4wd
Thanks for the response guys. I've actually been too busy to do anything with it yet. I plan on checking grounds and connections. Could possibly be something getting wet. It came on last week when we got the first rain we have had in 6 months. What little searching I have done online I have found that several people have had problems with encoder in the transfer case and the push button switch itself. I figure I can replace both of these cheaper than having a "mechanic" look at it. Lol
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1950 Chevrolet 3100 2006 Silverado Crew Cab Some other scrap |
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12-05-2016, 02:29 PM
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#5 |
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Registered User
Join Date: Mar 2012
Location: Little Rock, Arkansas
Posts: 770
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Re: Service 4wd
Get a scan tool and see what codes it has in it. That's what I would do before throwing parts at it.
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1979  Sierra Classic Heavy-half1996 Silverado x-cab "the daily" |
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12-05-2016, 03:02 PM
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#6 | |
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Registered User
Join Date: Jun 2011
Location: East Tennessee
Posts: 35
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Re: Service 4wd
Quote:
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1950 Chevrolet 3100 2006 Silverado Crew Cab Some other scrap |
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04-04-2017, 09:38 PM
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#7 |
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Registered User
Join Date: Jun 2011
Location: East Tennessee
Posts: 35
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Re: Service 4wd
Update......so I finally read the codes and have C0300 and C0327. I ordered a motor from rock auto (dorman part number 600-910). I put it on and it will go in auto, 2 hi and 4 low. When you push 4hi it flashes and you can hear the motor but then it goes to "auto". I assume bad motor. Sent motor back and got another. It does same thing! Any ideas??
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1950 Chevrolet 3100 2006 Silverado Crew Cab Some other scrap |
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04-28-2017, 07:44 PM
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#8 |
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"GO DAWGS"
Join Date: Oct 2003
Location: Batesburg, SC. 29006
Posts: 5,410
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Re: Service 4wd
Buy a new push button switch and the message will be gone. My 01 Tahoe had the same problem and I did some Googling and that was the problem. Here you go on eBay. Dorman 901-062.
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70 CST SWB 70 NOVA 93 Indy 500 Pace Truck (SOLD) 94 SILVERADO SWB 5/7 drop 2000 Silverado swb 2005 Nissan Altima 3.5 (Surprisingly very fast) 2004 GMC Yukon XL Denali BATESBURG, SC. 29006 29006 Some of my restorations http://www.snapfish.com/snapfish/thu...NAME=snapfish/ Restored Tach tins 8 cyl - 6 cyl http://67-72chevytrucks.com/vboard/s...d.php?t=518185 Contact info(Not my paypal address) DAWGSFAN227@YAHOO.COM God Bless Our Troops |
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04-28-2017, 08:19 PM
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#9 |
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Registered User
Join Date: Aug 2015
Location: Starbase 4
Posts: 118
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Re: Service 4wd
Just for fun, I'll mention that my truck does the "service 4wd" light too.
It's not a 4wd truck. Makes me laugh every time it comes on. Quality. Trying to evolve 4wd?
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2006 Sierra RCSB V6 5 Speed RWD. |
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06-14-2017, 01:04 PM
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#10 |
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Registered User
Join Date: Dec 2015
Location: portage michigan
Posts: 50
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Re: Service 4wd
my 2000 did same thing new dash switch no more problems
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