I bought this car and had to make a new chip key for it. The car starts up and runs good but the anti theft device shuts the car down after a minute of running. Is there a way to bypass the alarm system so the car will run as normal? Thanks Tom
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If you mean the anti-theft PASS system, it does not work that way. You have to have power to the module, and it has to get the right signal from the key chip to start the engine. Otherwise a car thief could start the car.
That would most likely be a key fab problem or your passlock system which is very common on gm vehicles. You can try reprogramming the key or get a spare key and program that one. I can give you instructions if you'd like. Another thing you can try if the anti-theft system is activated, is put key in ignition, turn to ON position for exactly 10 minutes, as soon as anti-theft light turns off, then immediately start the car. They also sell passlock bypass systems fairly cheap.
Not really. Your ignition key has a little piece of metal towards the base of the key. It needs to be functional as this little metal piece is a computer chip that runs your ignition circuit. Each GM vehicle has a specific chip it uses based on your VIN number. This was GM's anti theft idea.
Replace the ign. lock cylinder. Put old chip key in new cylinder. Plug it in to the connector at bottom of steering column by the dash after removing the wire from old lock cylinder. With duplicate key to turn old cylinder start car. Be sure to clean the battery cables and replace bolts. Hide the new cylinder under dash with chip key in it.
Disconnecting the battery (to replace it) has obviously reset something in the computer. I would suggest you call the service dept of a Buick Dealer and ask them how you can reset the computer. They are usually pretty helpful in a case like this
As far as bypassing the securtiy chip, we can't tell you that one as it would assist any user on here to steal your car (or others).
When you turn the key to attempt to start it do the dash lights dim or even go out ?
first of all was the ignition dealer a lot of cars have a start chip built into the key if you did after market it may not be compatible with out bypassing key security chip with out the right key setup the car stays diabled