2021 Lincoln Navigator
Professional Key Replacement in Ventura County
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2021 Lincoln Navigator
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All Lincoln Navigator Keys Lost? Compare Options
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2021 Lincoln Navigator Smart key Replacement - Fast, Affordable & Professional
When a 2021 Lincoln Navigator key is done wrong, it doesn't "kind of work." It fails. The remote might lock and unlock perfectly while the theft light flashes fast during cranking and the engine never starts. Or push-to-start works a few times, then the BCM runs a deeper security check and rejects the fob entirely.
A warehouse manager at the distribution center in Camarillo had a key from another locksmith for his Navigator that stopped working after about eight days. It would start in the morning, then by evening the theft light would flash and push-to-start would say "No key detected." He thought the car had an electrical problem.
The other locksmith had used the wrong transponder chip generation. His Navigator needs a 4D63 80-bit chip, and using a 40-bit chip can pass initial programming but fail after deeper security verification over multiple start cycles. I used my VVDI2 to read what chip was in his bad key, confirmed it was wrong, and programmed a new key with the correct 80-bit chip. His fob, FCC ID M3N-A2C931426, also had a weak CR2450 battery making detection worse.
The replacement has been working for months and cost him 349. Dealer would have charged 628. The difference is the chip inside.
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“Super fast service. About 20 minutes from the call he was already there. He had an authentic replacement on hand and made a spare key for my 2017 Nissan Rogue in about 15 minutes. Great prices, friendly, and very professional.”
“He arrived within 30 minutes and had everything finished in another 30 minutes for two cars. Everything was programmed and tested perfectly. Cheapest price in town and very honest service.”
“Marco came out quickly, cut and programmed a new BMW key fob fast, and was extremely polite and professional.”
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