2015 Nissan Murano
Key Replacement - Save vs Dealer in Ventura County

2015 Nissan Murano Smart Key Replacement - Fast, Affordable & Professional

I got a call from a man parked off the Hope Ranch area on a Sunday morning. He was calm about it, but the situation wasn't. He'd already hired another locksmith earlier that week to replace his 2015 Murano key after losing his original. That tech had come out, done the job, taken the money, and left. The car started fine in the driveway. By Sunday it wouldn't.

What the first tech had done was get the car to accept the new key temporarily without completing the full immobilizer registration. The Murano's security system requires a timed security sequence to write key data to permanent memory. If you cut that short, the car may start once or twice off residual data, then lock the key out entirely. That's exactly what happened. The engine would crank, fire for a second or two, then kill. Classic incomplete registration behavior.

He told me the other locksmith had pointed at a module and said the car had a hardware problem. I told him let's find out.

I verified the mechanical cut on the blade was correct first. Then I connected through the OBD port, cleared the failed key registration entirely, and ran a clean immobilizer learn with the full security handshake and countdown. When the confirmation came up on my screen, I walked him through what it showed so he could see for himself that the key was fully written this time, not just temporarily accepted.

All five buttons worked. The car started clean and stayed running.

He'd already paid the first locksmith, and I couldn't fix that. What I could fix was the car, on the spot, in the lot, without a tow. The dealer would have needed the vehicle in their bay, parts on order, and a day or two on the calendar. He paid a fraction of what that would have cost, and he drove home.

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