Lexus LS430 or any smart key system

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=36316
Printed Date: May 16, 2025 at 8:45 AM

Topic: Lexus LS430 or any smart key system

Posted By: hjukebox
Subject: Lexus LS430 or any smart key system
Date Posted: July 28, 2004 at 12:18 PM

I installed a remote start on an '04 Lexus LS430. The smart key won't fit in a 555u module. I've built the "555u" relay when I didn't have the module before, and the transponder is in the top of the key. With the smart key I'm having some difficulties. Has anyone done a remote start using one? Thanks in advance.

Turtle

Replies:

Posted By: johnmax
Date Posted: July 28, 2004 at 9:32 PM

I have one in my Infiniti FX45, which is similar to the LS430. I used a regular transponder key, NOT the smart key. Can you put a regular chipped key in the ignition switch? if so get one (coded) and put it in the 555U.

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