2003 Cadillac CTS remote start

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=69524
Printed Date: May 14, 2025 at 2:39 PM

Topic: 2003 Cadillac CTS remote start

Posted By: wrxsti161
Subject: 2003 Cadillac CTS remote start
Date Posted: December 29, 2005 at 8:01 PM

attempted to hook up a Viper 160 remote start system. I used the 457GW keyless/remote start combo interface. On the 457GW it wants you to locate the Pass-Key 3 module. Which as stated on the sheet is ethier above the gas pedal, or behind the ac/head controls. Looked for over an hour, and I could not find it at all. Has anyone ran accross this problem before? or am I just not looking in the right places, or is there a shortcut around it? Any advice would be greatly appreciated.

DAVID

Replies:

Posted By: johnmax
Date Posted: December 29, 2005 at 8:04 PM

It is a PK3+ key, right? (the key has a plus in a circle) Then the 457 will not do the passlock bypass. You need a 556U and a blank CTS PK3+ key or customers donor key. At least the 457 does trunk pop and locks in the cts so you may want to leave it in.

Posted By: wrxsti161
Date Posted: December 30, 2005 at 8:57 AM

i was just going off the tech sheet, cause it says the 457GW will do everything. I cant even try it until I find this passkey 3 box they are talking about it.

Posted By: wiretapper
Date Posted: December 30, 2005 at 11:03 AM

You don't need to find the PK3 box.

You'll find the wire you need at the antenna ring on the key cylinder. The 457GW WILL do the PK3, I just did one last week.

Posted By: robdog1969
Date Posted: December 30, 2005 at 11:34 AM

he is right disassemble the shroud ...I couldnt find the pk3 box either

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