Question about 1999 Buick Century

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When I put my key in my 2001 centry it won't turn, but when I use my spare ( without the chip in it) it turns. Is this a problem with the security system?

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No, problem is with the main key. The teeth on the key have been warn down

Posted on May 29, 2010

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1 Answer

Turn igintion switch, engine won't start


try to clean both side of the key where the little resistor (some people call it chip)with rubbing alcohol
or try your spare key
you can check the resistor with DVOM (digital volt,ohm meter)
put black lid on one side and red on the other side while set on ohm or kilo ohm
if it shows it is open ,you need new key
don't let lock smith guy or dealer say it need to programmed
find the right value of resistance and get on eBay

all it is, just resistor to complete the vat circuit,and tell pcm to send the voltage to your starter solenoid

Apr 19, 2013 | 2001 Mercury Sable

1 Answer

Car stalle Security light on


Try your spare key.It could be that the primary key you have been using needs to be reprogrammed,which can be done by contacting a dealer.Turn the key to the "On" position in order to reset the pass lock system.Wait for fifteen minutes with the key in the "On" position.If the security light disappears, turn the key to the "Accessories" position and wait for a couple of seconds.Turn the key to the "Off" position and take it out from the lock cylinder. Wait a couple of seconds and turn the car on.--------------------------------------------------------------------------------------
Autel MaxiDAS DS708

Jan 08, 2013 | 2001 Pontiac Grand Am SE

1 Answer

Security light flashes as you turn ignition key on and car won't turn over


if that has a chipped key for the security system,try another key,that will let you know if its a bad key or the reader is screwing up.

Nov 14, 2012 | 1994 Buick LeSabre

1 Answer

Security is flashing


check your immobilizer or your key whether lost program or chip ,missing from inside key. I f you have a spare key with immobilizer chip try it to see whether it starts.

Aug 23, 2012 | 2001 Pontiac Grand Am SE

2 Answers

My 2004 pontiac spare key will start my car but it wont stay running


Maybe it requires a key with a chip in it to operate the car.

Apr 12, 2011 | Pontiac Grand Prix Cars & Trucks

3 Answers

2001 monty carlo changed battery securty light flashing car wont start. car ran great before any trick or code i dont know to get it to start


Leave the key in the run position until the security light stops blinking. This should take 10 minutes. Then turn the key off, wait 5 seconds and try to start it. The security light should be blinking again. Leave the key on again for 10 minutes. Repeat this 3 times. After the third time on the the next start it should start and run fine. This will reprogram your theft system.

Feb 06, 2011 | 2001 Chevrolet Monte Carlo

1 Answer

WONT START WHEN SECURITY LIGHT IS BLINKING


The security light indicates the car does not sense the resistor in the key (The small black chip at the base of the key.)
Try your spare key. If you don't have a spare take proof of ownership to any GM dealer and from the VIN they should be able to make you a new key

Jan 03, 2011 | 2001 Oldsmobile Intrigue

1 Answer

I have a 2001 dodge ram 1500 gauges blinking and security light blinking will not start and can not put in nutural


Your ignition key has a bad chip if you have a spare, use it if not you will need a new key

Jul 11, 2009 | 2001 Dodge Ram 1500 Truck 2WD

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