passlock version

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=135782
Printed Date: May 16, 2025 at 6:18 AM

Topic: passlock version

Posted By: jnz1
Subject: passlock version
Date Posted: January 11, 2014 at 1:45 AM

How can I tell which passlock version I have on a 2005 Chevy Cobalt Base?

Replies:

Posted By: kreg357
Date Posted: January 11, 2014 at 7:29 AM

Basically it's Passlock2 with the possibility of PassKey3+ thrown in. Check your ignition key for the "+" sign inside of a circle.

Here is a link to a nice write up by iDatalink :
https://cdncontent2.idatalink.com/corporate/Content/Manuals/TB-PL/ADS-TBSL-PL_20110120.pdf

Your 2005 Cobalt uses the Type 7 install diagram so see Page 5 for the New Generation Passlock testing procedure and
other good to know info.

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Soldering is fun!

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