2011 Chevrolet Avalanche
Key Replacement - Save vs Dealer in Ventura County

2011 Chevrolet Avalanche Transponder Key Replacement - Fast, Affordable & Professional

Out in the Mira Monte area of Ojai, a guy called me from a dirt pulloff near the creek. He had been out with his kids, and somewhere between the water and the truck his only key to the 2011 Chevrolet Avalanche vanished. Gone. He retraced his steps twice, checked every pocket, had the kids looking under rocks. Nothing.

His truck was locked, windows up, sitting in the sun. He sounded tired on the phone. Not panicked, just done.

I told him I could be out there that afternoon. When I pulled up, he was sitting on the tailgate of a neighbor's truck, drinking a water bottle, watching the kids throw sticks.

I used my B111 Lishi to pick the HU100 lock cylinder and decode every wafer position for an exact blade match. Once inside, I connected through the OBD-II port and ran the PK3+ all-keys-lost security relearn. That procedure clears out whatever transponder IDs were previously registered and writes the new ID 46 chip as primary. The timed countdown ran its cycle. His new key started the Avalanche on the first turn.

I cut him a spare on the spot so he would not be one-key-deep again.

He loaded the kids up, said thanks, and pulled out of that lot with two working keys in his pocket. The whole thing took about 45 minutes. A dealer would have meant a tow to Thousand Oaks or Ventura and a wait measured in days, not minutes.

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