Question about 2000 GMC Yukon

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Service 4wd light on

Automobile will not go into 4wd

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Check for loose damaged or out of adjustment shift linkage. Check for bent or binding and if vehicle has been driven on paved road in 4WD for a long time the driveline torque can make shifting difficult.

Posted on Jan 03, 2014

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Posted on Jan 02, 2017

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2 Answers

Service 4wd light is on


The Internet, though, has a large number of web sites
where you can buy service manuals and schematics
from bookstores, publishers, and other collectors.
Here is just a sampling of what sites are out there:

Factory Auto manuals
http://www.factoryautomanuals.com/
search for : factory service auto repair manuals

Repair Service Manuals
http://www.repairservicemanuals.com/
the largest collection of Automotive Repair Service
Manuals and Owners Guides on the internet. Our
database currently holds over 54,000 entries
dating back from 1940 to more recent 2011.

about Chilton Repair Manuals
http://www.chilton.cengage.com/

about Haynes Repair Manuals
Haynes Publishing
Haynes auto manuals
http://www.haynes.com/

Jan 15, 2016 | 2002 Dodge Dakota Club Cab

2 Answers

Why is the service 4WD message on all the time and diff lock light flashes and dos not lock?


Hummer 4wd service light reset Questions & Answers - Fixya

www.fixya.com > Forum > Tags > 4wd service light reset
Hummer h2 2003 55000 mill ... service 4wd the liht is on all time Remote the battery wire from the car for 20 ... My 2006 H3 will not come out of 4 wheel drive?

Sep 22, 2015 | 2006 Hummer H2

1 Answer

Reset service indicator


When the 4WD Service light comes on it means that the Transfer Case Control Module (TCCM) has not received the proper feedback from the two actuators that control the 4WD engagement. The system needs to be diagnosed by a technician.

Apr 06, 2014 | 2003 GMC Envoy Xl

1 Answer

96 gmc 4wheel drive not engaging


There are many vehicles which notice same issue with 4wd not engaging in low or high mode.I suggest you few help links related to these issue,with there troubleshooting details and solutions.
Car will not go into 4WD high or 4WD low? http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html

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No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

--------
4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

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4WD light is flashing and beeping? NO 4WD high?

http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html

-----------
2002 Jeep Wrangler: 4WD Idiot Light is ON?

http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html

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Traction control switch will not engage on 4WD High or Low
http://whoisbyme.blogspot.com/2012/10/traction-control-switch-will-not-engage.html

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Service 4wd warning light on Dash? http://howtobyme.blogspot.com/2011/11/service-4wd-warning-light-on-dash.html

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Car automatically switches to 4wd low?

--------
These are the help links related to your issue.Going through these help links,will guide you to troubleshoot and solve the issue noticed on your car.
Keep updated for more help.
Thanks.

Oct 17, 2012 | Chevrolet Cars & Trucks

1 Answer

Jeep stuck in 4wd High


For troubleshooting these issue,Few related help links are provided below.Click the link below and go through its troubleshooting procedure:----Jeep 4WD Idiot Light is ON? http://technoanswers.blogspot.in/2012/06/2002-jeep-wrangler-4wd-idiot-light-is.html
------------
Service 4wd warning light on Dash? http://howtobyme.blogspot.com/2011/11/service-4wd-warning-light-on-dash.html
---------------Car automatically switches to 4wd low? ------------Car will not go into 4WD high or 4WD low? http://schematicsdiagram.blogspot.com/2011/12/car-will-not-go-into-4wd-high-or-4wd.html
----------
No 4x4 light on dash?

http://repairhelpcenter.blogspot.com/2011/12/no-4x4-light-on-dash.html

---------------
4 wheel drive system will not disengage?

http://technoanswers.blogspot.com/2012/01/4-wheel-drive-system-will-not-disengage.html

------------
4WD light is flashing and beeping? NO 4WD high? http://schematicsdiagram.blogspot.in/2012/02/4wd-light-is-flashing-and-beeping-no.html
----------------This will help.Thanks.

Jul 17, 2012 | 1988 Jeep Cherokee

1 Answer

The service 4wd light is on it came on while in auto 4wd


The Service 4wd indicator illuminates when there is a problem with the 4wd system (its the "check engine light" for your 4wd system)
There will be a diagnostic trouble code stored
Most likely scenario...the module is bad (thats the switch on the dash) but have it diagnosed before throwing a part at it

Jan 27, 2011 | 1999 GMC Yukon

1 Answer

Trouble service 4wd light 2004 Suburan- resets when restart most of the time, wont shift to 4wd when lights are out on dash or and service light is on, conections look good.


I just had the switch replaced on the dash and that helped for a while. Now the service 4wd light comes on but i have no problems shifting into 4wd or no problems with the switch lighting up. cost about $150 to have this done. Still not convinced the problem is solved b/c the service light is still coming on.

Nov 27, 2010 | 2004 Chevrolet Suburban

1 Answer

Service 4wd light is coming on but 4wd works fine


i had the same problem in my 99,i replaced the switch assembly on the dash and all is well,hope this helps

Sep 01, 2009 | 1999 GMC Sierra

1 Answer

Service 4wd light


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

Mar 13, 2009 | 2004 GMC Yukon

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