Question about 2003 Chevrolet Impala

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Chevy impala will not start it keeps displaying a security message than low fuel than battery

When i try to start to everything justs blinks and the car will not turn over

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Gm was "famous" for putting their passlock system in their vehicles. although it is a known issue they refuse to do a recall or anything else to remedy the situation. you can try leaving the key on like suggested. what i did with mine was continuously turned the key on and off. after a couple minutes of doing so the antitheft system reset and my car started right up

Posted on Apr 09, 2013

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Posted on Jan 02, 2017

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SOURCE: 2003 chevy impala security light comes on and car

Your vehicle was build with a GM anti theft device. There is a chip built into the igntion key, when you insert the igntion key the sensor inside the igntion cylinder will read the chip from the key. If for some reason that communication is broken the computer will think someone is trying to steal your car by using the incorrect key.
The first thing I would do is use another key, if you only have one, go to your local GM parts department & have them make you a proper key. You'll need to show proff you own the car, so be prepared to show your drivers license & registration.
If this doesn't resolve your problem then the problem lies with the computer that controls this system. I would recommend to have a repair shop look at it only if they understand GM anti thieft system. you may need to take it to your local Chevy dealership service department.

Posted on Jul 09, 2009

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SOURCE: My 2000 Chevy Impala fuel gauge reads empty.

sending unit on fuel pump is bad, the sending unit shorts out gauge will go to empty or full, never read right, turn on switch ,it goes to full or empty, ,check the pump,hope this helps,thanks robert b.

Posted on Jun 28, 2009

  • 6982 Answers

SOURCE: 2001 Chevy impala had ignition switch replaced,

Turn the key to "on" and let the light flash. It should stop flashing after about ten to twenty minutes. Once the light is on steady, turn it off, then start the car. I usually put another battery on jumper cables attached to the cars battery so it does not run down and die before the system re-arms.

Posted on Aug 16, 2009

  • 1 Answer

SOURCE: Replaced ignition switch 2003 chevy impala and car will not start

After you replace the ignition switch turn the key to start the car and release leave the key were it stops after trying to start wait 10 minutes until security light goes out turn key to full off position then repeat the above procedure two more times for a total of three on the 3rd attempt to start car wait for light to go out then turn key to full off positoion wait 10 seconds then try to start car body control module should learn new pass code and the car should start.
Big john, J@J Automotive

Posted on Mar 02, 2010

  • 12650 Answers

SOURCE: I have a 2008 chevy impala. The car suddenly

ur vehicle is in limp mode[ a safe mode ] which will get u home trying not to cause any damage to engine --theirs a few reasons the vehicle will do this-low oil pressure-transmission problem-have vehicle scanned most auto stores such as auto zone / advanced auto [check ur local area]do this service for free the code gives u a start point towards resolving ur problem

Posted on May 11, 2010

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Passlock Security system... - Discussion on Topix




Jan 16, 2016 | 2003 Chevrolet Impala

1 Answer

2008 chevy impala ltz wont start, first message: service stabilitrak, second message: battery saver active, what can i do to get it started?


have the battery ckecked then ck. 4 security codes and alt. output should be around 13.5 eng running

Jun 06, 2012 | 2008 Chevrolet Impala

1 Answer

2001 impala replaced ignition switch, now wont turn over. NO security in message center


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

Mar 28, 2017 | Chevrolet Impala Cars & Trucks

1 Answer

Interior lights blinking and a clicking noise, security light as ell comes on battery light too, and outer lights aswell blink off and on , after all that we got an alernator and battery , and the car...


Probably not. Gm had has had antitheft ssecurity issues FOREVER and never owned up to the problem. Try this link for some help on the security problem.
http://vatspasslockpasskeysecurityhelp.yolasite.com/

Also, GM cars from like 2000 to 2004 had problems with the radio. I just had this same kind of thing happen in my girlfriends 01 impala. The radio was draining the battery and causing the battery to keep failing. No start issues. Car alarm always going off. All sorts of lights appearing on the dash. Low tire pressure light, check engine, brake light, ABS. You get the idea. Put in an aftermarket radio and all is well now. If your radio is acting funny, you might want to look into that.

Sep 03, 2011 | 2003 Chevrolet Impala

1 Answer

2006 Chevy Impala service security system flashes on he the display. Everything works bit the car will not start it just clicks.


Passlock sensor in the ignition switch is probably bad.try starting the car,when it does not start leave the key in the run position for 10 minutes,then try to restart the car.(after the car sits for ten minutes the security light should be out.) If it now starts you need a new passlock sensor.

Dec 06, 2010 | 2006 Chevrolet Impala

1 Answer

How do i reset the passlock system for the chevy impala 2001....i want to turn the damn security system off!!!!


Turn the key on, don't try to start it, let it set on for ten minutes turn it off. do this three times, after the third time your will start. Make sure you have everything else turned off. and if your lights are automatic with the key on, you will have to put a charger on the battery as you do it. because 30 minutes with the lights on will drain your battery. Also you can not disable the security system

Nov 20, 2010 | 2001 Chevrolet Impala

3 Answers

2003 Chevy Impala intermittently won't start -


remove and clean the battery terminals ,

Aug 01, 2010 | 2003 Chevrolet Impala

2 Answers

The security light is on in my 2001 chevy venture message center


Hi there,
Most commonly with these cars the security system will do this if the battery is "drained" while trying to start the car. ie: a low battery that is too weak to turn the engine over. Usualy the power options & accesories will not work if this is happening.
To fix it you will need to ensure the battery is charged, you then disconnect the battery negative cable for about 1 minute with the key out of the ignition. reconnect the battery cable & start the car normally. Everything should be back to normal.
Let me know if there is anything more you need for this concern.
Farrout!

Mar 17, 2009 | 2001 Chevrolet Venture

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