2006 chevy express remote start shut down
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=130256
Printed Date: April 29, 2024 at 10:52 PM
Topic: 2006 chevy express remote start shut down
Posted By: 11357923
Subject: 2006 chevy express remote start shut down
Date Posted: January 16, 2012 at 11:25 PM
Does anyone know how the security system in a 2006 Chevy Express works and how to bypass it. Every time the Van is remote started a security light comes on where the gauges are and then the engine shuts off. The owner says that there is no Chiip in his key as he has made copies at Home Depot and he proved that. I don't know if there is some kind of key sense wire or something but any ideas would be greatly appreciated. Thank you
Replies:
Posted By: prdjr165
Date Posted: January 17, 2012 at 4:25 AM
This vehicle uses GM'S PASSLOCK 2 ANTI-THEFT SYSTEM that requires a 791 Bypass
Module to Remote Start,
Posted By: kreg357
Date Posted: January 17, 2012 at 5:21 AM
Bypass for the Passlock2 system in your van :
https://documents.audiovox.com/700054.pdf ------------- Soldering is fun!
Posted By: 11357923
Date Posted: January 17, 2012 at 3:32 PM
Does all of those Vans have the GM Passlock2?
Posted By: kreg357
Date Posted: January 17, 2012 at 4:07 PM
Sure sounds like yours does. There is no transponder chip in the key. The Passlock2 system
is resistor based and in the ignition key cylinder. Open up the steering column and look for
a group of 3 thin gauge wires coming from the ignition cylinder. They will be either White,
Black and Yellow or RED / White, ORANGE / Black and Yellow.
Example below :
------------- Soldering is fun!
Posted By: 11357923
Date Posted: January 18, 2012 at 8:37 PM
Does anyone know what would be the most cost effective bypass to use in this case. Since everything else is hooked up and and working the owner is not looking to spend more than $30 on the bypass if possible.
Posted By: kreg357
Date Posted: January 18, 2012 at 9:32 PM
The cheapest way is with the relays and resistor - about $10.
Next is a DEI 555L, 555LW or 556LW bypass module. They are no longer in production but are available at "online" sites for under $25. Just make sure it is "new in the box" with all harnesses. Easy to install, program and reliable.
Here is a link for the install guide : https://www.xpresskit.com/product.aspx?productid=41 ------------- Soldering is fun!
Posted By: 11357923
Date Posted: January 19, 2012 at 11:43 AM
Thanks Kreg I appreciate it man!
Posted By: zerepdivad
Date Posted: January 20, 2012 at 7:54 PM
You didn't know the vehicle had passlock and you're installing remote starts for others?
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A DMM is a beautiful thing.
MECP Advanced Installer Certified.
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