Question about 2002 Chevrolet Impala

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Every now and then the car will not start security interups starting 2002 impala

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Have a shop that specializes in the eletric systems on your car test the Body Control Module (BCM). This is a weak spot on many GM products. A new BCM for an Impala should cost about $230, plan on another $200 for the diagnosis, replacment, and programming. The dealers typically want between $700 and $1,100 for this.

Posted on Aug 14, 2009

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3 Answers

How can I bypass the security code


Why do think the key security is bad? If you still have a factory key, this is not the problem...if no factory key, you can take your VIN number or original key to GM dealer to get new key that they will program for you...Check for dirty battery connections:)

Apr 30, 2015 | 2003 Chevrolet Impala

1 Answer

2002 chevy impala won't start if I jump starter


Is the security light on or flashing ?
The yellow wire goes from the key switch to the neutral safety switch, then to the starter. So bypassing the neutral safety would make the starter crank the engine, but would have nothing to do with the rest of the engine.

May 27, 2013 | Cars & Trucks

1 Answer

2002 chevy impala intermittent starting


Look for any lights on the dash when this happens. These cars have had alot if trouble with the antitheft system. If you see a light that says SECURITY, go to this link for help and info.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jan 26, 2012 | 2002 Chevrolet Impala

1 Answer

My 2004 impala has full powere but won't start no


When it doesn't start, is the security light and maybe the battery light flashing?

If yes, it's probably the PassLock security system. I just bypassed mine on my 2002 Impala. There are several websites with information and possible solutions; including spending several hundred dollars at the dealer, to a do-it-yourself bypass for a couple dollars.

The best source of information I could find was:
http://www.bergerweb.net/grandamsecurityfix.htm
There is lots of good information there.

If you want to see my writeup on bypassing the PassLock on my Impala, you may have to register at http://www.naioa.com and go to:
http://www.naioa.com/v2/modules.php?name=Forums&file=viewtopic&t=44480

Jun 27, 2011 | 2004 Chevrolet Impala

1 Answer

Sometimes won't start due to security system .


Are you sure it's security related? Could be starter overheating problem.

Jul 30, 2010 | 2002 Chevrolet Impala

1 Answer

SECURITY LIGHT COMES ON OCCASIONAly On IMPALA 2002


Looks like the TDM in the security system (VATS/PassKey) is having problems, it's typical on those cars and it can get worse till the car wont start anymore. You can find a great write-up here: http://newrockies.ca , it was the only thing that saved my Park Avenue.

Mar 19, 2010 | 2002 Chevrolet Impala

1 Answer

2002 chevy impala changed break light switch car wont start now, no security light is on and ideas?


most likely you disconnected the igntion switch under the dash or knocked it loose, done it my self plenty of times.

Jun 25, 2009 | 2002 Chevrolet Impala

1 Answer

Wont start security light stays on


Body Control Module (BCM) on both counts. Find a shop in your town that specializes in electrical systems to test it. Beware, these can be intermittent problems, so make sure they keep it until the car does what you have observed. Expect to spend about $450 for the replacment. Dealers quoted me between $700 and $1,100 for the same repair. By the way, a new BCM will probably only last you about 12 months.

Apr 01, 2009 | 2002 Chevrolet Impala

2 Answers

Resetting the security system in a 2002 chevy impala


does your key have a small black chip at the base of the key if so it could be bad or the ignition could be bad it reads a resistance and if it is off by a few points it will think that the car is being stolen

Feb 22, 2009 | 2002 Chevrolet Impala

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