1999 Toyota Sienna
Key Replacement - Save vs Dealer in Ventura County

1999 Toyota Sienna Transponder Key Replacement - Fast, Affordable & Professional

Got a call from a woman over in Oxnard Shores about her 1999 Sienna. She needed a spare key. Simple as that. But getting to the dealer was not simple for her.

She lived in an assisted living facility near the coast. Did not drive freeways anymore. The closest Toyota dealer was a solid drive up the 101, and she had no way to get there on her own. Her son helped when he could, but he lived out of state.

I drove to the facility lot that morning. The Sienna was parked in a numbered spot with a little shade tree next to it. She came outside with a folder that had the registration and her current key.

I used my TOY43AT Lishi to decode the lock wafers right at the driver door. That tool reads each wafer position in the TOY43 keyway so I can cut a match without needing the original key's code card, which she lost years ago. Cut a fresh blade on the HPC Blitz, dropped in a 4C transponder chip, and programmed it through the OBD port. The whole immobilizer handshake on these first-gen systems takes about ten seconds once the tool connects.

She stood by the passenger door holding her folder and watched me test both keys, start and shut off, start and shut off. Then I handed them over.

No highway trip. No asking her son to fly in for a key appointment. Just two working keys before her morning group started.

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