2009 Audi A3
Trusted Mobile Key Service in Ventura County
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2009 Audi A3
Key Options
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2009 Audi A3 Remote flip key Replacement - Fast, Affordable & Professional
When a 2009 Audi A3 key is done wrong, it does not just partially work. It fails. The engine might crank but the immobilizer kills fuel injection after two seconds. The remote might lock but not unlock. The comfort access might detect the fob one day and ignore it the next. Or the key programs initially but the car rejects it after a drive cycle.
A veterinary technician at the dog grooming shop in Main Street corridor in Ventura had a key made by another locksmith for her A3 that stopped working after about a week. It would start the car fine in the morning, then by evening the push-to-start refused to detect it. She thought the car had an antenna problem.
The previous locksmith had used a generic transponder chip that was close to the Megamos spec but not exact. On Audi's immobilizer system, a close-but-wrong chip can pass initial registration but fail after the car runs its deeper verification over multiple drive cycles. I used my VVDI2 to read the chip in her bad key, confirmed the data was wrong, and programmed a new key with the correct Megamos generation matched to her FCC ID NBG009272T. Her fob also had a low CR2032 battery making the intermittent detection worse.
The replacement has been working since. Her cost was 298. The dealer would have charged 542. The difference between a key that works and one that works for a week is chip accuracy.
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“I got locked out of my vehicle and also lost my key. Marco came out, made a new key for my Toyota, and got me back on the road. He was professional, friendly, and clearly knows what he is doing.”
“I lost my key and called EZ Car Keyz. Marco was great. He arrived quickly, explained everything clearly, and kept me informed throughout the entire process. The service was fast, professional, and fairly priced.”
“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”
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