Question about Chevrolet Impala

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SECURITY LIGHT, NOT STARTING

DOESNT START EVEN WITH THE VEHICLE NOT LOCKED FOR A FEW DAYS

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  • 5 Answers

What exactly happens? what happens when you insert a key? what happens when you turn your key?. there might be several reason for this. add details

Posted on Nov 29, 2013

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Posted on Jan 02, 2017

SOURCE: car won't start

yes, the security system will cut fuel to the cylinders or stop the car from cranking. what you can do is called a 30 minute re-learn. have everything turned off and a charger hooked up to the battery if possible, put the key in and attempt to start, release key to the run position and let it sit for about 10 minutes or untill the security light goes out. turn key off for 5 seconds and repeat the process 2 more times. after the process is done 2 more times the car should have re-learned the key and it should start. if it still doesn't start the problem might be somewhere else in the security system but try the 30 minute re-learn first. i can assist you with this problem further if needed as i have excellent resources.

hope it starts for ya!

Posted on Feb 20, 2009

  • 1608 Answers

SOURCE: security warning is on and car wont start now

The security light being on is why your vehicle will not start.You need to get the codes to find out what is causing the problem.What you can do is when you try to start it and let go of the key but leave it to the run position the security light will come on and stay on for ten minutes.When it goes off turn the key off and then try to start it.The theft module relearns the key and it should start.Then you can take it to a repair shop and get it fixed.You can call ahead and make sure there is a shop that can diagnose and repair this problem.Hope this helps.Good luck.

Posted on Apr 08, 2010

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johntunney
  • 887 Answers

SOURCE: when truck is off an locked my dodge 20011 truck vehicle security indicator light being on

it is supposed to stay on. it is to tell people that the alarm is on. to deter people from stealing. I have same truck 2011 cummins 2500 stays on to

Posted on Mar 25, 2013

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4 Answers

Does the theft light on the dash stop the truck from starting?


Depending on the vehicle the theft light may stop your truck from starting, if the key has a chip in it for security it may be the problem or your ignition switch possibly

Mar 04, 2015 | Cars & Trucks

1 Answer

Security light


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/

Jul 10, 2012 | 2004 Chevrolet Impala

1 Answer

Security light on dash & radio in "locked" mode


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/

May 03, 2012 | 2002 Buick Rendezvous

1 Answer

Wont start security light is flashing but it doesnt even try to start it just does nothing.


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/

Mar 03, 2012 | 2004 Chevrolet TrailBlazer

1 Answer

2003 alero security light flashing and 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 and can 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/

Feb 02, 2012 | 2003 Oldsmobile Alero

1 Answer

My chevy blazer wont start after having the security light on for a few days


If you left the security light on it probably killed your battery. You will need to jump start your vehicle or charge your battery as well as turn off your security light.

Dec 27, 2010 | 2000 Chevrolet Blazer

2 Answers

Car security system has locked me out. what do I need to do to start my car


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/

Dec 24, 2010 | 1997 Chevrolet Cavalier

3 Answers

2001 pontiac aztek is having a security code


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/

Jul 18, 2010 | 2001 Pontiac Aztek

1 Answer

Security warning is on and car wont start now


The security light being on is why your vehicle will not start.You need to get the codes to find out what is causing the problem.What you can do is when you try to start it and let go of the key but leave it to the run position the security light will come on and stay on for ten minutes.When it goes off turn the key off and then try to start it.The theft module relearns the key and it should start.Then you can take it to a repair shop and get it fixed.You can call ahead and make sure there is a shop that can diagnose and repair this problem.Hope this helps.Good luck.

Apr 08, 2010 | 2003 Chevrolet Impala

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