2017 Land Rover Range Rover Sport
Key Replacement - Save vs Dealer in San Diego

2017 Land Rover Range Rover Sport Smart Key Replacement - Fast, Affordable & Professional

I got a call from a house in Fanita Ranch on a Tuesday afternoon. The owner of a 2017 Range Rover Sport said the fob had been acting up for about two weeks, and that morning the vehicle just sat there. Key-not-detected warning on the dash. Engine would not authorize. He was already bracing himself for the dealer conversation.

I pulled up and the first thing I noticed was a faint waterline on the carpet near the driver's footwell. Not soaked, just that slightly stiff texture carpet gets after it dries out wrong. I asked about the sunroof. He said he parks outside and it had rained a few times recently.

That told me enough to work in a specific order. I checked the fob battery first because that's always the honest starting point. The CR2032 read low. Swapped it, reseated it properly, and tested fob range. Still inconsistent. The module itself had likely taken some moisture exposure over time and the stored key data needed to be re-established, not just refreshed.

I connected through the OBD port with the JLR-compatible tooling I carry, cleared the stored fault, and re-enrolled the fob to the vehicle's security system. Walked every button. Tested the passive entry on both front handles. Ran the start sequence three times. Clean every time.

The whole job was done in the driveway. He mentioned the dealer had quoted him a wait for a parts order plus labor once it arrived. He did not need a new fob at all. Just the right diagnosis and the right tools, on site in Fanita Ranch.

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