2017 Toyota Land Cruiser
Key Replacement - Save vs Dealer in Ventura County

2017 Toyota Land Cruiser Smart Key Replacement - Fast, Affordable & Professional

A woman in Matilija had already been through one locksmith by the time she called me. Her 2017 Land Cruiser would start fine in the morning and then, by late afternoon, the push-to-start would go quiet. No response. She'd been chalking it up to the heat or some electrical quirk, the way you do when the car keeps half-working.

The previous locksmith had programmed a replacement fob, and it passed initial registration. Looked like a clean job on day one. But the vehicle's security system does not stop checking after the first start. It runs a deeper verification across multiple drive cycles, and the fob that was registered was not the right generation to pass that check consistently. Some mornings it cleared. Some evenings it did not.

I read the enrolled key with my diagnostic equipment, confirmed the mismatch, and programmed a new fob with the correct transponder generation paired to the factory FCC ID. Swapped the CR2032 while I was in there because the old cell was reading low and a marginal battery on top of a signal issue is a combination that makes diagnosis harder than it needs to be.

After programming I walked every function: door handle touch unlock, the lock button on the exterior handle, and each of the three buttons on the fob. Then I had her run two full start cycles herself before I packed up. I do not hand a Land Cruiser back until it's confirmed over more than one sequence, specifically because of how the verification on these works.

She said the dealer had quoted her a wait of several days and a number that made her wince. She got it handled in her driveway, same afternoon she called.

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