Passlock II - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 12-25-2010, 04:34 PM
Featherstone Featherstone is offline
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2004 Chevy TrailBlazer LS EXT
silver 4.2L I6 4X4
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Passlock II

So my vehicle came with a remote starter installed in it when I bought it. However, it didn't come with any key fobs. I ordered new ones, and programmed them, but the door locks don't unlock or lock. I looked at the module and noticed that the connector that plugs into the brain of the remote starter (Viper 160XV) were there. After doing a bit of research online it says that I need a passlock II module to disable the passlock system. However from what I can tell, my keys don't have any security chips in them... How can I tell if my vehicle is equipped with Passlock II?

Thanks
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  #2  
Old 12-25-2010, 05:21 PM
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kickasstahoe kickasstahoe is offline
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i install remote starters and the right bypass for your trailblazer that works great is a GMDLBp that will do door locks and passlock. very easy unit to install.
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  #3  
Old 12-25-2010, 05:23 PM
ScarabEpic22 ScarabEpic22 is offline
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Doesnt matter, you need to make sure the bypass module for the alarm is functioning properly. The bypass is the key to adding a remote start/aftermarket alarm to our trucks, it interfaces with the stock electronics (ignition, door locks, and of course all the security functions) and lets you use aftermarket parts while not having to run individual wires to the doors for lock/unlock. But the key is it commands the factory security to enable/disable when you lock/unlock using the aftermarket system.

No GMT 360 keys have the chips in them, thats for older Blazers and cars.

Sounds like you have 2 modules, one that says Viper 160XV and another one? Is it smaller and about 1.5"x2"x0.5"? Thats the bypass, usually you have to initiate the programming sequence anytime after power is removed from the bypass. If you can find out what model/brand the bypass is, we can find the programming procedure and set you up. On mine there is a button where the wires go in, press and hold it until the LED comes on solid, then start the car and wait for the light to go out.

Edit: As kickasstahoe mentioned the GMDLBP I should mention that the above steps is for my GMDLBP module. Im going with the DLPKGM this time for my 08 SS, just found out 08 is the first year where it doesnt automatically turn on the seat warmers when the outside temp is below freezing, bummer.
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Old 12-25-2010, 05:35 PM
Featherstone Featherstone is offline
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We'll the remote starter works fine, its the door unlock/lock doesn't have a connector hooked up to the brain. I managed to get a connector for it, but I don't want to splice it in to the factory wiring and have the passlock go off. So if the remote start works fine does that mean the passlock has been bypassed? Also when you program new remotes with autostart on a viper system do you press and hold the valet button onece or twice? Scarab- the Viper brain does have that small module attached to it as well, so I'm going to assume that's the bypass.
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Old 12-25-2010, 06:07 PM
ScarabEpic22 ScarabEpic22 is offline
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Quote:
Originally Posted by Featherstone View Post
We'll the remote starter works fine, its the door unlock/lock doesn't have a connector hooked up to the brain. I managed to get a connector for it, but I don't want to splice it in to the factory wiring and have the passlock go off. So if the remote start works fine does that mean the passlock has been bypassed? Also when you program new remotes with autostart on a viper system do you press and hold the valet button onece or twice? Scarab- the Viper brain does have that small module attached to it as well, so I'm going to assume that's the bypass.
If it remote starts fine without any security lights, then the bypass is doing its job correctly. The door locks should be controlled by the bypass too...

No idea on the programming, my old system was an Alert and my new Python (aka Viper/Clifford with different remotes) is in the mail for the SS. Check their website?
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  #6  
Old 12-25-2010, 10:35 PM
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MAY03LT MAY03LT is offline
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Quote:
Originally Posted by Featherstone View Post
the Viper brain does have that small module attached to it as well
Can you get a part number off of it? Or at least see if it has a green wire and a blue wire coming off of its connector?
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  #7  
Old 12-27-2010, 01:09 AM
Featherstone Featherstone is offline
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May- it didn't have the green and blue wire connector, so I went and managed to find one from a viper system at a local parts yard. So I was thinking of plugging it in tomorrow and splicing into the system. Now my question is what wires do I splice these wires into, and where do I find the lock/unlock wires to splice.
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  #8  
Old 12-27-2010, 07:21 AM
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MAY03LT MAY03LT is offline
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Quote:
Originally Posted by Featherstone View Post
May- it didn't have the green and blue wire connector, so I went and managed to find one from a viper system at a local parts yard. So I was thinking of plugging it in tomorrow and splicing into the system. Now my question is what wires do I splice these wires into, and where do I find the lock/unlock wires to splice.
I should have been more specific, sorry. I was looking for a green wire and a blue wire off of the bypass (little black box). Those would be the lock leads that the green wire and the blue wire from the viper would tie into.
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  #9  
Old 12-27-2010, 01:05 PM
Featherstone Featherstone is offline
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silver 4.2L I6 4X4
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Hmmm because according to the installation manual, it says that the Green connector with the green and blue wire that come off it is hooked up to the unlock/lock wires of the harness... Anyone know where I would tie these into?
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  #10  
Old 12-27-2010, 01:11 PM
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sabrefan68 sabrefan68 is offline
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sorry for the hijack... but Scarab, you can get the seats to go on with the remote starters, or is that a factory remote ?
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