Question about 2002 GMC Envoy

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When turning right or hit a bump the brake light and alarm goes off what could cause this? this is for a 2002 envoy 4 door 4wheel drive

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  • redmut1 Jul 21, 2009

    tried that filled up fluid and still does it

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Low brake fluid

Posted on Jul 21, 2009

  • paul campbell Jul 21, 2009

    sensor in maser cyl could be faulty

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Related Questions:

1 Answer

My 89 landcruiser won't come out of 4wheel drive


Disconnect the Manual Lever and turn it by hand, if you can not... then you may have a failure of your Transfer Case.

Apr 15, 2013 | 2002 GMC Envoy

1 Answer

Driver door closed but door alarm and lock keep going off?


Sounds like the door latch is not closing all the way, Try spraying some WD40 into the latch in the door where it hits the striker post. Hold the door handle up and bump the door shut and open while holding the handle up on the out side several times, This should loosen the latch up and the door should close and latch. The more you spray and work the door the better it should get. If not the latching mechanisim may need replaced. I hope I have help you sovle the alarm problem.

Apr 02, 2013 | 2002 Ford Taurus

1 Answer

No light on 4wheel dr control


There are a few things that would cause this problem.
The first and most common would be the switch itself is bad. the next would be a bad 4wheel drive encoder motor, this is the motor on the transfer case that is used to operate the 4wheel drive. The last would be the 4 wheel drive module.
You will need to do some testing, if the four wheel drive is working and goes in and out of 4 wheel drive then i would say it the switch. if it does not work correctly it may still be the switch or one of the components i listed above.I have enclosed a wiring diagram, you will need to do some testing to check system, first make sure all fuses are good. the fuses that operate the 4wd are listed on diagram, it will also tell you the location of each part. you will need to test front axle actuator and selector motor and switch, you will need a test light and a meter. hope this is helpful, good day.4_26_2012_10_13_14_pm.gif

Apr 26, 2012 | 2002 GMC Envoy

1 Answer

How to fix 4wd on 2002 envoy or problem shooting. Light does not kick on.


only way i can get it in to 4wheel is to put it in gear turn the 4 wheel switch to 4x4 hi or low and start the suv on and off until it kicks in to one of them ranges this is strange to me i put a new switch in the dash

Dec 17, 2010 | 2002 GMC Envoy

1 Answer

Abs brake light comes on replaced it but couple days same proplem it goes off when turn motor off but comes back on if hit a bump


What did you replace?If it where a sensor,make sure you changed the right sensor,also wheel bearings gone bad will cause this,also bad rotors,and brake pads.If the vehicle has problems stopping like the computer thinks ,then the light will come on,but if hitting bumps causes the light to come on,then the wheel bearing or rotor,or brake liners(pads)could be the problem.I hope this was some help.

Oct 05, 2009 | Dodge Pickup Cars & Trucks

1 Answer

Dashborad does not light up. Does only when I hit the breaks. Stereo won't come on and got no tail light. Also when I hit teh brakes the signal direction come on. When I hit a bump on the road sometimes...


The dash, tail and front side lights are all on the same fuse, and possibly the ignition supply to the stereo. check fuses to see if it has blown.

Sep 24, 2009 | 2002 Ford Escape

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