Having problems with your Buick LeSabre ?

My 1994 buick lesabre security light comes on and stops it from running i put a new starter a new switch and batter is there a way to bypass this

Posted / edited by AnonymousUser on : 16-04-2018

Answers :

Most likely this is the passkey system. Do you have a little black plastic piece on the key with a metal line in it. If you look at the link below. You will see what I mean its on the ignition key. It's kind of complicated how it works. But basically that little plastic thing with metal in the key. Has a resistance value. This is an extra security feature GM used. Unfortunately over long enough time the resistance changes in the key. Now because that key is already bad. You can't check to know which key you had that year. I would contact a dealer near you and with your vin they can help you get the key you need. if you need any further assistance please let me know.
Thank you,
Repair Help & Product Troubleshooting for Buick LeSabre

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