passlock 1,2,3 which one?

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=20211
Printed Date: August 12, 2025 at 8:32 PM

Topic: passlock 1,2,3 which one?

Posted By: misterjimbo
Subject: passlock 1,2,3 which one?
Date Posted: October 16, 2003 at 7:29 PM

2003 sunfire, 01 grand am, 99 alero, 98 grand prix these all have pass lock 2 correct? i rarely do GM cars any help is appreciated. also diagrams for 03 sunfire and 01 grand am if you have them.

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Replies:

Posted By: Sound World
Date Posted: October 16, 2003 at 7:45 PM

All should be passlock 2 exept maybe the 98 grand prix. If it has a black pellet in the key it has passkey.

Posted By: HamiltonAudio
Date Posted: October 16, 2003 at 7:49 PM

the sunfire, grand am and alero have Passlock II. The grand prix has Passlock III. And very likely a content theft system that needs to be controlled as well.

Posted By: jrilla
Date Posted: October 16, 2003 at 9:23 PM

The Grand Prix I dont think has an anti-theft device. The Pass-Key III did not come out until 2000 in the grand prix. The key will kave a PK3 on it right if it does. I believe the rest are Passlock II.

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J Rilla

Owner/Installer

Posted By: HamiltonAudio
Date Posted: October 17, 2003 at 7:22 AM

since 1997, PKIII has been on the Grand Prix's. It might have been only the GT's etc, but the GP definitely had PKIII....not all the keys have PKIII stamped on them, even if it does exist.

Posted By: misterjimbo
Date Posted: October 17, 2003 at 7:43 PM

thanks guys

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