2003 Jaguar XJ
Key Replacement - Save vs Dealer in San Diego
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2003 Jaguar XJ
Key Options
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2003 Jaguar XJ Remote Flip Key Replacement - Fast, Affordable & Professional
A commercial pilot on a layover at the harbor brunch restaurant in Alpine on a Sunday morning told me he'd already been burned. Another locksmith charged him full price for a 2003 Jaguar XJ smart key that never programmed correctly. The car would crank but the immobilizer killed the engine after two seconds. Classic failed KVM key learn. The other tech said the module was faulty and walked.
The module wasn't faulty. The locksmith hadn't completed the full security write. Jaguar's KVM requires the key file to be generated from the correct EEPROM data and written to the smart fob in a specific encrypted format. If you use the wrong tool version or skip a step, the key appears learned but isn't permanently registered.
I connected through OBD with my IM608, cleared the failed key data, read fresh KVM data, and generated the correct key file. His smart key, FCC ID NHVWB1U241, had all 4 buttons working plus clean push-to-start with no fuel cutoff. I showed him the confirmation on the IM608 screen so he could see the key was fully registered this time.
He paid me $311. Dealer charges $563 for the same work. He'd already paid the first locksmith too, which I couldn't undo. But I could make sure the job was done right.
Save vs the Dealer on Your Jaguar XJ Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Jaguar XJ Rapid Response, Done Right
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“About 15 minutes after calling, he was already at my home. I had lost my original Ford key and he made and programmed a new one on the spot. Very fast, very professional.”
“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.”
“Fast, affordable, and a great price. Marco did an amazing job and made a key for our Nissan Kicks quickly and professionally. Everything worked perfectly.”
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