Question about 1999 Chevrolet Silverado 1500

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4WD WARNING LIGHT COMES ON BUT 4WD STILL WORKS FINE?

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JIFFY LUBE HAVE TRANNSMITION SERVICED

Posted on Sep 18, 2010

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Posted on Jan 02, 2017

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1996 Nissan terrano diesel 4wd I have a warning light coming on only when idling, as soon as you drive off light goes off, engine runs fine and no strange sounds, should I just leave it?


i'd get code read cos it probably means somethings on it's way out.
is it the engine check light or some other light?,maybe regen light?

Nov 12, 2017 | Nissan Cars & Trucks

1 Answer

Service 4WD light on


Light on , DTC- diagnostic trouble code stored in the 4X4 control module . Take's a professional type scan tool to read these code's . Your best bet AAMCO . or dealer .

Oct 21, 2017 | 2005 GMC Sierra 1500 Hybrid

1 Answer

4wd low warning light on and now the car isn't working properly! Had a real problem getting home last night! Help!!


I would think the car is in 4Lo . You need to get it out of 4 Lo before trying to drive it on the road because you will blow it up trying to achieve high way speedsin 4 Lo. use the knob on the dash to get it out of 4=Lo

Nov 28, 2013 | 2003 Kia Sorento

1 Answer

Push button 4wd does not always work.Seems to work when cold and not at all after it warms up.Warning light to service 4wd has been coming on and off for awhile.Sometimes all the amber lights on buttons go...


sounds like you have a wiring problem in the 4WD. Probably the servo motor id disengaging once it gets hot. If you plan on fixing it yourself I\'d go buy the service manual. Wiring issues are so annoying.

Oct 29, 2013 | 2000 GMC Jimmy

1 Answer

Service 4wd light on; w4d does not work at all


To start with, a basic engine computer code reader will not connect to the body computer which is why they are not getting any codes.
The 4wd lights will not come on as long as the warning light is on, the system is disabled until it is fixed.
You may need someone with a professional scanner to connect to the body computer.

Jul 04, 2013 | 2002 Chevrolet TrailBlazer

1 Answer

1998 Chevy Suburban - service 4wd light comes on after running 4x4 for 2 mins


Well it could be the selector switch, but I doubt it.
Generally, the service light means something is not working that the computer controls. Solenoids and valves are a couple of possibilities.
The transfer case is shifted by solenoids commanded by the body computer based on the switch position on the dash.
You should be able to have a shop scan the body computer for trouble codes and proceed from there.
A basic code reader may not access the body computer.

Jul 05, 2012 | 1999 GMC Suburban

2 Answers

2004 Nissan Titan LE 4x4 4LO position indicator light flashes


As far as your 4WD light problems, can't help you. The loose hose sounds like the front diff vent hose.

Feb 06, 2010 | 2004 Nissan Titan

1 Answer

Kia sportage 4wd won't engage, unrelated to vaccum hubs


a quick fix to solve the problem with the 4wd not working on the sportage is fitst check the vacume soionoid is working lockated by the suspention turet on theL/H side of the engine bay, then, chech hoses going to the hub, if there is still a vacume leek from the hub remove the 6 bolts from the outer hub locker place in vice remove the circlip, remove the spring, remove the spline gear then take the spring and swap it around so that it gose under the gear so that it is in conatant mesh/ lock, build back up and fit, it means the front axle will be live all the time but you will still be able to select 2 /4wd,,

Jan 27, 2010 | 2000 Kia Sportage

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

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