Question about 2001 Chevrolet Impala

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My 2001 impala security light came on and now my car wont start. what does this mean

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It's called a Body Control Module (BCM) You will need to purchase a new one and a dealer will have to install it and program it for your car.. This part can not be bought used as once they are programmed for a particular car, they can not be re-programmed. I had the same problem with my 2001 Impala 2 months ago. After replacing the BCM I have not had anymore problems.

Posted on Jun 09, 2010

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It means you car thinks someone is trying to steal it, so it shuts off the signal to your fuel pump.( it is now in the theft detterent mode) i"ve heard that this could be caused by a number of things..first if your key has an ignition resistor pellet in it, it could be worn, or the ignition switch has a broken wire inside it..then try your spare key. Pull off negative battery cable first, let set for 30 minutes..hook it back up, insert new key, turn to on position, dont start it..let it set for ten minutes turn back off, let set for a couple of minutes then see if it starts. I've also heard that using the key fob..lock all the doors.. then unlock with the the key only on drivers side..this might reset it. I've been doing a lot of research on this and its got to be one of the most screwed up systems ever designed..there are so many different vehilces with different ways to reset the system, but usually 9 times out of ten the person ends up towing it to the DEALER, because they have a special box and the code for your vehicle that will reset it. And i dont think its a cheap fix either. i myself have just the security light on, it doesnt flash and it allows me to start it for the past two years..but i believe i caused it when i was adjusting the door locks because the driver door wasnt closing properly all the way. i surely hope you can find a cheap quick fix for this! good luck.
please let me know if any of this Helped.

Posted on May 02, 2010

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Just had the same problem about a month ago. My lights and everything would light up in my car,but soon as I turn the keys everything would go blank. The guys at the shop fixed some kind of Ignition module up under the dash in my car. They said it was the reason it would not start up. It's not cheap either.

Posted on Jun 08, 2010

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Posted on Jan 02, 2017

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1 Answer

Why the security light is on?


do u have a power remote lock and key? if so shut all the doors and unlock the vehicle then try to start.. also it can be in security mode and wont start because it thinks its being stolen. read the manual about security lock and it should tell you how to lock and unlock the system

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the small yellow wire on the ignition switch is probably broken thereby engaging the pats system (passive antitheft system)

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Unless you used the correct coded key cylinder the engine will not start.

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This is a very common problem on GM vehicles. Everything you need to know, plus some "do it yourself" solutions on this site. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Sep 21, 2011 | 2001 Chevrolet Impala

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I have a 2002 chevrolet impala and it does not want to start.the security light is on. is there something i can do to make it work again


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Feb 20, 2011 | 2002 Chevrolet Impala

2 Answers

The car is a 2001 chev impala. At times the security light comes on for the ignition cut off with no ignition start up problems. Then with no warning the car will not start. Which means I have to reset it...


i had to have my 01 impalas ignition switch/module (bcm) replaced my car did the same thing..the security is going bad..it thinks the car is being stolen

Jun 07, 2010 | 2001 Chevrolet Impala

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2001 chevy impala the battery/security light comes on, then the car won't start, the door locks, radio, remote, air conditioning won't cool what could be wrong with it?


WHEN THE SECURITY LIGHT COMES ON ROLL ONE WINDOW DOWN LEAVE THE KEY IN THE ON POSITION AND WALK AWAY FROM THE CAR IT WILL RESET ITSELF AFTER ABOUT 15 MINUTES.

Apr 16, 2010 | 2001 Chevrolet Impala

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