Question about 2003 Pontiac Grand Am

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2003 pontiac grand am 3.4 having problems with ignition.put new ignition now it wont start because of the theft system.does the new ignition need to be programed?

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Try this: turn key to on position, do not start. leave key in on position, let car set for 15 minutes then start. if everything else is working correctly, this should relearn the key security. good luck!

Posted on May 19, 2010

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Posted on Jan 02, 2017

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SOURCE: 2003 pontiac grand am 3.4 having problems with

Yes the system has to be programmed and you can do this yourself.Just make sure the battery is fully charged and attempt to start then release the key but do not turn it off just release it as if it had started.the security light will remain on for about 10 minutes and then go off.After it goes off.Turn the ignition off and wait 5 seconds.Then turn the key on and start the car.It should start and run now.The body control module has learned the new key.Hope this helps.Good luck.

Posted on Mar 25, 2010

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Starting disabled due to anti theft system warning stays illuminated never letting my 04 grand prix to start


Yes take it to the dealet ship and they will fix it and you dont have to try to figure it out. Is a program that they have to reset. You need theit computer.

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2005 grand am wont start I put on acc and waited 15 min and still nothing please help


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Car won't start but the motor is turning


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Apr 09, 2010 | 2004 Pontiac Grand Prix

1 Answer

2003 pontiac grand am 3.4 having problems with ignition.put new ignition now it wont start because of the theft system.does the new ignition need to be programed?


Yes the system has to be programmed and you can do this yourself.Just make sure the battery is fully charged and attempt to start then release the key but do not turn it off just release it as if it had started.the security light will remain on for about 10 minutes and then go off.After it goes off.Turn the ignition off and wait 5 seconds.Then turn the key on and start the car.It should start and run now.The body control module has learned the new key.Hope this helps.Good luck.

Mar 25, 2010 | 2003 Pontiac Grand Am

1 Answer

2003 Pontiac Grand AM suddenly won't start and security light is flashing on the dash board. All systems are OK such as Battery new, fuel ok and ignition starting system ok. Looks like some anti-theft...


Check to see if you have a computer chip on your key. Chances are that the computer chip or the reader in the ignition keyhole is not reading it properly. If you leave the key on, engine off, for 15-20min. that security will reset and the light will go off. Turn key off and now try to start engine.

Aug 16, 2009 | 2003 Pontiac Grand Am

1 Answer

Theft system


You have to take the key out for five -10 seconds after you wait ten mins in the on position. The reset does not take effect until you remove the key.

May 26, 2009 | 1998 Pontiac Grand Am

1 Answer

Code P1632


These cars had a tendency to "lose" the password for the theft deterrent system. Your body control module doesnt understand your key, therefore tells your pcm to discountinue fuel supply. To reprogram the system, start the engine and let it stall. Leave the key in the run position. The theft light should flash for 10 minutes. When the light stops flashing, Turn the ignition off for 10 seconds. Turn the ignition back to the run position. This procedure tells the BCM that on the next ignition cycle, to accept the new password. Now, it should start. If not, it may require the clearing of the code, and possibly the reprogramming of the PCM, which needs to be done with a dealer scan tool or equivilant.

May 15, 2009 | 2001 Pontiac Grand Am SE

1 Answer

Trouble starting once in awhile


it does sound like the anti-theft system. There are only 2 ways to bypass your problem. 1) disconnect the anti-theft system which runs into your ignition, cut the wires to the system and join them back together without hooking it back up to the anti-theft. 2) Bring it back to the dealer so that they can replace your anti-theft sensor. The part is rather cheap but the labor is the killer.

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3 Answers

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check your theft detterent system. Turn ignition to on and leave it for ten minutes. Turn ignition off and start the car

Feb 05, 2009 | 2003 Pontiac Grand Am

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