2002 Chevrolet Avalanche
Key Replacement - Save vs Dealer in Ventura County
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2002 Chevrolet Avalanche
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2002 Chevrolet Avalanche MECHANICAL-KEY Replacement - Fast, Affordable & Professional
A guy in the Saticoy area of Ventura caught me at the end of my day. His 2002 Avalanche had been giving him the jiggle routine for weeks. Wiggle the key, pull it back a hair, try again. That morning it finally locked up and the SECURITY light parked itself on the dash. Truck wouldn't crank at all.
He called the dealer first. They wanted the truck towed in, quoted him a full ignition cylinder swap, new keys, and a PASS-Lock relearn on the BCM. Multiple days without his truck.
I got there and checked the Z-keyway cylinder. Classic wafer wear. The brass wafers inside had rounded off from 170,000 miles of use, and the resistance value feeding back to the body control module through the Hall-effect sensor was drifting out of range. That is what triggers the SECURITY light and kills the fuel injector signal.
I backed up the BCM data with my ACDP first. Then I pulled the cylinder, decoded it, swapped out the four worst wafers, and cut a fresh B102 key blank to match. Put it all back together and ran a 10-minute PASS-Lock relearn so the BCM would accept the corrected resistance signal. His separate keyless entry remote, the Koblear1xt on 315 MHz, paired back up through OBD without any drama.
I showed him the old wafers side by side with the new ones. He just shook his head. Whole thing took about 45 minutes in his driveway, for a fraction of what the dealer wanted.
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“Needed a spare car key made and chose EZ Car Keyz based on their reviews. The reviews were right. They gave me the best price, responded quickly to all my questions, came to my workplace, cut the keys on site, and finished fast.”
“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”
“My Sprinter van key broke and I was stranded. Marco was very friendly and helped me get three new keys quickly. I will definitely be using them again.”
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