Question about 2000 Chevrolet Tahoe

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Why does my 03 chevy tahoe security light stay on

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6ya6ya
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Posted on Jan 02, 2017

SOURCE: 03 Chevy Tahoe stalls out while taking a slow

have the a/c compressor checked, the a/c compressor might be locking up due to wear and bad bearings. one way to test is to try turning the compressor clutch while the ENGINE IS OFF, if the clutch is very hard to turn or won't turn at all by hand then the compressor is bad. the clutch is what turns the pully, the pully should spin freely, the compressor clutch is on the end of the compressor on the pully side.

Posted on Aug 16, 2009

  • 1 Answer

SOURCE: I have 2000 Chevy Tahoe Z71. The security light stays on

1999 chevy tahoe security light goes on while im driving does
not seem to cause any problem

Posted on Aug 25, 2009

  • 262 Answers

SOURCE: airbag light stay on 2003 chevy tahoe

The air bag light will remain illuminated if a fault has been detected in the air bag system.
The onboard computer will need to be interfaced with diagnostic equipment to read the fault.
This is also the only way to reset the light.
Good luck, I hope this helped.

Posted on Mar 13, 2010

tayjoejoe
  • 2182 Answers

SOURCE: 1999 2dr chevy tahoe security light flashes truck won't start

The security light is a visual indication that something in the car's antitheft system is failing. In most GM cars and trucks there is a hidden system that most people are unaware even exists. From the moment you put your key in the ignition, there begins a constant line of communication between your key's security chip or transponder, to the ignition's lock cylinder, and then to the car's TDM. (Theft Deterrent Module) The TDM is what tells your computer that the correct key is being used and that it is "OK" to allow the vehicle to start and run. These 3 parts must be in CONSTANT communication. If the key is in the ignition, then these parts are sending important signals to each other. The security light illuminates when that signal gets broken, even just for a second. When the signal breaks, (normally due to a failing/broken part) the car goes into antitheft mode. The car misinterperates this and thinks its being stolen or hotwired because it is NOT getting that signal from YOUR specific key. There is where the security light turns on and shuts down your vehicle. So basically, if that light is on, your system has some sort of failing part. This can start as an intermittent "no start", to your vehicle not running for days at a time, to the vehicle NEVER starting again. The problem is electrical and computer based, so don't count on an easy reset button, or the problem fixing itself. The hard part is isolating which part is the problem. You can spend a thousand dollars through a mechanic very easily. I have had great luck with bypassing the entire system. This way the problem will never return. It actually CAN'T ever return because it is eliminated. This can also be done yourself at a much cheaper cost. Read through this link very carefully. You'll find alot of information and pictures, along with ways to help you fix this.



http://vatspasslockpasskeysecurityhelp.yolasite.com/

Posted on Jun 26, 2012

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I have an 03 chevy tahoe. My interior lights don't come on when u open the door but will come on with the knob. It use to work but can't find the fuse?? Any possible solutions


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1 Answer

My 2000 chevy tahoe turns over but wont start


if the security light stays on and is not blinking when the key is turned on , (but do not try to start the car). then you can do a key computor. communication .turn key on and off and[ on ]leave it on for exzactly 10 minutes.the security light will turn off, now take key back to off and now start the car.

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Break light stays on in my 2002 chevy tahoe?


Check the brake light switch on the end of the steering column close to the firewall...

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03 z71 4wd not working


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Mar 19, 2013 | 2003 Chevrolet Chevrolet Tahoe

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The right side rear stop, turn signal and back up light does not work on my 1999 Chevy Tahoe. However the right front turn signal works. This happens only when the weather is cold and once i drive the...


I had this problem with a 1997 suburban and a 1999 tahoe. I fixed it on the suburban by replasing the complete light assembly, and on the tahoe i just replaced the circuit board were the light bulbs and harness plug in its easy and inexpensive. good luck!

Jan 18, 2011 | 1999 Chevrolet Tahoe

1 Answer

Airbag light stay on 2003 chevy tahoe


The air bag light will remain illuminated if a fault has been detected in the air bag system.
The onboard computer will need to be interfaced with diagnostic equipment to read the fault.
This is also the only way to reset the light.
Good luck, I hope this helped.

Mar 13, 2010 | 2003 Chevrolet Tahoe

2 Answers

03 z71 tahoe wiggs out when u hit a bump abs light brake light service brake system in dash comes on also reduced engine power comes on it shuts of but starts back on its on and door locks cycle but runs...


I have had the EXACT same problem with my 03 Chevy Tahoe!!! I have yet to find out the solution!? I cleaned all my grounds and changed my rear speed sensor along with bench tested my alternator! Have you found the problem? I would be very grateful if you could hit me back with an answer!! Thanks

Aug 31, 2009 | 2003 Chevrolet Tahoe

1 Answer

03 Chevy Tahoe stalls out while taking a slow


have the a/c compressor checked, the a/c compressor might be locking up due to wear and bad bearings. one way to test is to try turning the compressor clutch while the ENGINE IS OFF, if the clutch is very hard to turn or won't turn at all by hand then the compressor is bad. the clutch is what turns the pully, the pully should spin freely, the compressor clutch is on the end of the compressor on the pully side.

Aug 16, 2009 | 2001 Chevrolet Tahoe

4 Answers

Emergency brake light stays on on my 03 tahoe


I have an '03 Chevy Tahoe and I had a similar problem. I discovered that there is a bare copper striking plate or tab that the medal emergency parking brake pedal touches when the emergency brake is set. It turns on the idiot brake light in the dash. It had broken off and the light stayed on all the time with the say issue of chiming whenever the vehicle is in motion. You or the dealership must replace that striker plate to fix the problem.

Jun 02, 2009 | 2003 Chevrolet Tahoe

1 Answer

I have 2000 Chevy Tahoe Z71. The security light stays on


1999 chevy tahoe security light goes on while im driving does
not seem to cause any problem

May 23, 2009 | 2000 Chevrolet Tahoe

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