1999 Lexus ES
Key Replacement - Save vs Dealer in Ventura County
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1999 Lexus ES
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1999 Lexus ES Transponder Key Replacement - Fast, Affordable & Professional
Got a call around 6pm from a woman in Heritage Square in Oxnard. She had just come out of a specialist's office with her elderly father. He was in a wheelchair next to her 1999 Lexus ES 300 and her key would not start the car.
The engine cranked fine. It just wouldn't catch. Classic immobilizer rejection. The security light on the dash was blinking steady, which on the XV20 ES means the transponder signal isn't reaching the immobilizer amplifier (part 89760-33020) mounted around the ignition cylinder.
I got there and pulled the key. The plastic bow was cracked right along the seam where the 4C glass transponder sits. The chip itself had shifted inside the housing. Not broken, just out of position enough that the coil around the cylinder couldn't read it.
Cut a new TOY48 blade to match the original, seated a fresh 4C chip in a new shell, and programmed it through the OBD port with my Autel IM608. The XV20 platform allows add-key when you have a working mechanical cut, so registration took about two minutes.
She helped her father into the passenger seat while I tested the start cycle three times cold. Solid every time. Security light went off within a second of key turn, the way it should.
She drove her dad home that evening without needing a tow or a second ride.
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“I had two Subaru key fobs made and Marco provided excellent service. He stayed persistent through multiple part orders to make sure everything was correct. Very thorough, punctual, and great communication throughout.”
“Tim went above and beyond. I struggled all day trying to program a new FOB and nothing worked. Tim helped me patiently, even recommending cheaper options since I was on a tight budget. He eventually came all the way to Ojai late at night and fixed everything.”
“My key fob stopped working while I was at Oxnard Harbor and I thought I was going to need a tow. EZ Car Keyz showed up fast, programmed a new fob, checked everything carefully, and made sure the car was fully functional before leaving.”
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