2007 Lexus GX
Key Replacement - Save vs Dealer in Ventura County

2007 Lexus GX Remote Head Key Replacement - Fast, Affordable & Professional

Got a pin drop out in Nyeland Acres in Oxnard from a guy who lost his only key to a 2007 Lexus GX 470 somewhere between a family cookout and the walk back to his car. He had already called around. The dealer told him tow it in, leave it, and they would get to it when a tech opened up, probably mid-week. That was a Saturday.

I loaded up for his exact setup: HYQ1512V remote head key, 3-button, TOY44 blade, 4D-67 chip. When I got there, the GX was parked on the street with the hood cold.

First step was reading the immobilizer ECU using the ACDP programmer to pull the key data off the 93C56 EEPROM on the immo box. That gives me what I need to generate the transponder code without pulling the whole ECU apart. Then I decoded the door lock, cut a fresh TOY44 blade on the mobile machine right on the tailgate, and built the remote head key from a blank.

Programmed the transponder, synced the remote, tested lock, unlock, panic, and a clean start. He stood there watching the whole thing, holding a paper plate with two tacos on it. Offered me one. I took it.

The whole job happened on his street, same afternoon he called. No tow, no waiting days for a dealer bay.

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