2003 Toyota Sequoia
Key Replacement - Save vs Dealer in Ventura County
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Skip the trip to the dealer. Our mobile locksmith brings professional-grade equipment right to your door anywhere in the area. Your new key is cut and programmed while you wait.

Mobile service plus 10% off
2003 Toyota Sequoia
Key Options
Dealer-grade key for a fair, honest price
Your Driveway vs Their Lobby
Skip the trip, skip the wait
2003 Toyota Sequoia Remote Replacement - Fast, Affordable & Professional
Out in Fillmore, near the Heritage Valley Tourism Bureau, a guy lost his only Sequoia key somewhere between a gravel lot and the walking path. He spent almost an hour retracing his steps, checked every pocket twice, asked around. Nothing. His 2003 Sequoia was locked in the lot and he had no spare.
He called me expecting a tow and a long wait. I told him to sit tight.
I started with my TOY43 Lishi tool. The Sequoia runs the standard TOY43 keyway, and the Lishi reads each wafer position inside the door cylinder so I can decode the bitting without any original. Once I had the cut depths, I cut a new blade on site.
Next step was the immobilizer. The 2003 Sequoia uses Toyota's older transponder system with a 4D67 chip. For an all-keys-lost situation, I connected through the OBD-II port, cleared the old key registration from the immobilizer ECU, and wrote the new transponder. Then I programmed the HYQ12BBX remote separately since the remote and immobilizer are independent systems on this generation.
He turned the key and the 4.7 V8 fired right there in the same lot. The whole job from decode to running engine was about 50 minutes. He had already called the dealer and they quoted him a tow plus a multi-day wait. This took less than an hour and cost a fraction of that.
Save vs the Dealer on Your Toyota Sequoia Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Toyota Sequoia Rapid Response, Done Right
Rapid response in the field
Mobile Service, Five-Star Results
Mobile service, five-star feedback
“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.”
“I got locked out of my vehicle and also lost my key. Marco came out, made a new key for my Toyota, and got me back on the road. He was professional, friendly, and clearly knows what he is doing.”
Toyota Sequoia Key Service Areas
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