2009 Chevrolet Cobalt
Key Replacement - Save vs Dealer in Ventura County
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2009 Chevrolet Cobalt
Key Options
Dealer-grade key for a fair, honest price
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2009 Chevrolet Cobalt Transponder Key Replacement - Fast, Affordable & Professional
A body shop near Soule Park Golf Course in Ojai called me about a 2009 Cobalt that another locksmith had already touched and walked away from. That's never a great start to my day.
The story was familiar. Owner needed a replacement key, first locksmith came out, got partway through programming, and something went sideways. The BCM locked into a fault state throwing "Service Theft Deterrent" on the dash, and the Cobalt wouldn't crank. The other guy told the body shop to tow it to a dealer. They called me instead.
When I plugged in through OBD-II, the body control module (part number on this one was 25892424) was walled off from a standard security relearn. The previous failed attempt had corrupted the learned key data. I pulled my ACDP bench tool out of the van, accessed the BCM's PIC chip directly, read the Passlock security data, cleared the fault, and rebuilt the security handshake from scratch.
Cut a new B102 key blank on my mobile machine, ran a fresh 30-minute Passlock III relearn cycle, and the Cobalt fired right up. The body shop guy leaned in and listened to the engine like he didn't trust it yet. Can't blame him.
Hour and a half total, which is longer than a clean key job. But the alternative was a flatbed ride to the nearest Chevy dealer and a multi-day wait for a fraction of what they would have charged.
Save vs the Dealer on Your Chevrolet Cobalt Key
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“I needed two keys made for my Honda Element. Friendly, fast, fair pricing, and far better than any other locksmith I have used in the area. Best service by far.”
“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”
“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”
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