2000 Pontiac Montana
Key Replacement - Save vs Dealer in Ventura County

2000 Pontiac Montana Transponder Key Replacement - Fast, Affordable & Professional

Got a call from a woman near the Santa Barbara Museum of Natural History. Her 2000 Pontiac Montana was sitting in the lot, dead quiet. She had lost her only key somewhere inside the museum, retraced her steps twice, nothing.

She had already called the dealer. They told her the van would need a tow in, and that it would be days before they could touch it. She sounded tired just repeating what they said.

I pulled up, checked the VIN, and confirmed the PASS-Lock II setup. This generation Montana does not have a chip buried inside the key head like a lot of people think. The security is in the ignition cylinder, reading a resistor value off the key blank. So the job is cutting a fresh B97-PHT blank to factory spec, then running the PASS-Lock relearn through the OBD-II port so the BCM accepts the new key's resistance signature.

Cut the key on the hood of my van. Inserted it, turned to "On," and waited through the ten-minute relearn cycle while the security light blinked and then went solid. Cycled it off, waited ten seconds, repeated two more times. Three cycles total, about 30 minutes of just sitting there watching a little light.

After the third cycle, it fired right up. Tested the separate remote fob for lock, unlock, and panic. Everything talked. She was driving home before the museum even closed.

Whole thing cost her a fraction of what the dealer quoted, and she never had to move the van.

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