455J or 457CW

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=72607
Printed Date: July 12, 2025 at 8:08 PM

Topic: 455J or 457CW

Posted By: xfujix
Subject: 455J or 457CW
Date Posted: February 11, 2006 at 2:17 AM

Quick question, in a 1999 Jeep Grand Cherokee Ltm, im getting 10 different answers, do i use a 455j eith the 457 or can i just use the 457?? and with the 457 do i still need the key immob. ?? with a viper alarm/starter?

Replies:

Posted By: gus1
Date Posted: February 11, 2006 at 1:13 PM

The 455J AND the 457C will both do locks, arm, and disarm on the 1999+ Grand Cherokee.

If you have the grey key, then yes, you will also require a 555C for the RFID key.

Gus

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Wherever I go, that is where I end up......

Posted By: xfujix
Date Posted: February 12, 2006 at 1:00 AM

thanks, because the only thing i got was the 455j will do the door trigers and it seems the 457 will not?? and i have the 555c done

Posted By: Justaguy
Date Posted: February 13, 2006 at 12:14 AM

The 455j has been discontinued...replaced by the 457c

Posted By: xfujix
Date Posted: February 13, 2006 at 11:29 AM

true but i still rather use that(455j) then diode all 4 door trigers

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