2000 Toyota Land Cruiser
Key Replacement - Save vs Dealer in San Diego

2000 Toyota Land Cruiser Remote Head Key Replacement - Fast, Affordable & Professional

A guy out in San Diego Country Estates called me on a Saturday morning. He had been dealing with an intermittent no-start on his 2000 Land Cruiser for about two weeks and finally had enough. The vehicle would crank, almost catch, then die. Sometimes it would start on the third try. He had already gone down the fuel system road mentally and was halfway convinced he needed a mechanic, not a locksmith.

I asked him a few questions before I drove out. When did the remote stop working reliably? He paused. "A while ago, actually." That was the tell.

When I got there, the remote head key looked fine from the outside. No cracks, no obvious damage. But the internal battery contact had a slight upward bow, the kind that happens over years of the key bouncing around on a heavy keychain. The CR1616 was making contact just enough to power the remote sometimes, not enough to power the transponder chip consistently.

I replaced the battery, straightened the contact tab, and seated everything properly. We ran the start cycle four times in a row. No hesitation, caught immediately every time.

He had been carrying this problem for weeks thinking it was mechanical. It was a contact issue inside a key fob thinner than a stack of quarters. He saved a good chunk compared to the diagnostic route the dealer would have taken, and I was out of his driveway in under thirty minutes.

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