Question about 2003 Hummer H2

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Hummer h2 2003 55000 mill

Service 4wd the liht is on all time

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  • Anonymous Dec 25, 2008

    my truck is having the same problem did it work to unplug the batterie end did you found the reason why this appen its funny because my truck seems to work whell tank you

  • dznupe Jan 08, 2009

    My wife ran out of gas! and after putting gas into the SUV the car will not tirn over and we replace the battery and iys still doing the same thing. just makes a ticking sound or clicking sound. I need help with this,,,,,,,,,, please help me!

  • Anonymous Jan 13, 2009

    My service 4 WD message just came on I have 135,000 miles on the vehicle and had a new transfer case installed 15,000 mile ago.

  • Anonymous Mar 12, 2014

    my 2005 h2 hummer service 4wd light came on i had it serviced changing all the fluids but light still comes on

  • Richard Sr
    Richard Sr Nov 07, 2014

    Transmission shift selanoid (sp) 1-2 need replaced. 200.00 max

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Que valor o precio tiene la camioneta mi correo es distribuidoracnv@hotmail.com soy de venezuela

Posted on Nov 02, 2008

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  • Master
  • 2,035 Answers

Remote the battery wire from the car for 20 minutes make and plug it back this will reset the computer of the car if the light is on you need to service center and get it checked....................

Posted on Jun 08, 2008

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Related Questions:

1 Answer

My 2011 jeep liberty will not lock into 4 wheel drive


so what 4wd system is there, we can guess that.
ever.
part time, or AWD full time.
if part time stop doing that on pavement free of ice .
part time is for ice or dirt only
to be real tech savvy , on PT, it means, one tire on ice or dirt.
only.
lost the operators guide, ? in the glove box?
its here.
posted over 300 times.
http://www.jeep.com/en/owners/manuals/


read page 226 yet.?
4WD Indicator - Vehicles Equipped with
Command-Trac (its part time, 4wd for ice or dirt only)

SERV (Service) 4WD Indicator Light - If Equipped
The "SERV 4WD Indicator Light"

page 230
4WD Indicator - Vehicles Equipped with
Selec-Trac II
read page 322 carefully for this,,,
full time, but not in LOCK.!!!!

why not post a photo of your 4wd controls
and then get real savvy answers.
sorry cant guess, what opted 4wd came with your car.
lacking photos....

Feb 08, 2016 | Jeep Cars & Trucks

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

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I have no rear drive shaft but it's drive like it's in 4wd. The button is set for awd is there anything that can be done with it until I can find a drive shaft?


Unfortunately No, the System was designed for the Rear Wheels to always work first, When the AWD button is engaged then it actuates the front differential through a Vacuum solenoid, Which Is actuated from an electrical solenoid,If you are referring to the front Drive shaft then you can disable the System by pulling the AWD fuse, But it wil Probable set a service soon liht in all eventuality

Apr 22, 2014 | 2001 Ford Expedition

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2004 Tahoe stuck in auto 4wd and service 4wd light is on


switch on dash can cause this but the transfer case control module is the culprit most times.try disconnecting battery this will should reset the TCM.see what happens.worst case senereo is bad transfer case

Dec 10, 2013 | 2004 Chevrolet Tahoe

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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.

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Service engine soon liht stays on


find a auto parts store that will use thier code reader to check it out for free they might even clear it for you

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Engine warning light on all the time been to


check the plastic connectors in the cooling system.vw is notorious for the plastic stuff cracking causing a slow leak

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Service 4WD


is the 4wd working still, if not are the lights coming on, on the switch for the 4wd? usually when the service 4wd light comes on, on a blazer it is usually one of two things, either the solenoid on the transfer case, or more times than not it is the switch on the dash itself, they were not a good design and would overheat and go bad, actually they go bad so often that auto zone stores carry then out on the shelf in he doorman help section, they are only 20 or 30 dollars, and they pop out and in with very little effort.

Jun 05, 2008 | 2000 Chevrolet Blazer

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