2002 Mitsubishi Montero Sport
Key Replacement - Save vs Dealer in Ventura County
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2002 Mitsubishi Montero Sport
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2002 Mitsubishi Montero Sport Transponder Key Replacement - Fast, Affordable & Professional
Got a call from a woman near the Channel Islands National Park Visitor Center in Oxnard. Her 2002 Montero Sport turned over but would not fire. Security light on the dash just blinked at her.
She had already tried the usual stuff. Waited, tried again, wiggled the key, tried again. Nothing. The engine cranked strong, so she knew it was not the battery or starter. She looked it up on her phone and landed on a MitsubishiForum thread where someone described the same thing: crank, no start, blinking security indicator. Textbook immobilizer rejection.
I pulled up next to her in the visitor center lot. Her key was the original MIT6 blade transponder, part number 5907793, and the plastic shell had a visible crack running along the seam near the blade. I opened it up and the 4D-61 chip had shifted just enough inside the housing to throw off the read distance to the antenna ring around the ignition cylinder.
Connected my Smart Pro to the OBD-II port, read the immobilizer module, and registered a fresh transponder key. Cut the blade on site, ran the programming sequence, and tested it three times cold. Security light went solid, engine caught on the first crank.
The whole thing from arrival to handing her the new key took about 25 minutes. She had been quoted a tow to a dealer over in the Valley plus a wait until the following week. She drove home that afternoon instead.
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“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”
“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”
“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.”
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