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2005 Toyota Sequoia
Key Replacement - Save vs Dealer in Ventura County

Licensed & Insured | Mobile Key Experts

Available
2005 Toyota Sequoia Remote
Remote

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min arrival
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2005 Toyota Sequoia lost key replacement options from EZ Car Keyz Fillmore CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2005 Toyota Sequoia lost key replacement options from EZ Car Keyz Fillmore CA
Key specialists
BSIS Licensed
Licensed by the California Bureau of Security
Fixed pricing
NASTF Certified
National Automotive Service Task Force approved
Fast mobile service
1,000+ Reviews
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805 Special
10% OFFCODE:EZ-805-2026

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OEM keys & certified programming included
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2005 Toyota Sequoia
Key Options

Dealer-grade key for a fair, honest price

Remote
Most popular Toyota key typeMost Popular
2005 Toyota Sequoia Remote HYQ12BBX
FCC IDHYQ12BBXPart #89742-0C030Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2005 Toyota Sequoia MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2005 Toyota Sequoia replacement key fob with no original from EZ Car Keyz Fillmore CA
Skip the Dealer Markup
Professional key, honest rate
2005 Toyota Sequoia replacement key fob with no original from EZ Car Keyz Fillmore CA
🔧 PRO TIP
The 2005 Sequoia uses a standard remote (HYQ12BBX, part 89742-0C030) for lock/unlock/panic/hatch, but the ignition key is a separate transponder unit running Toyota's 4C/4D chip system. They are two different pieces. The remote controls doors only and does not talk to the immobilizer at all. If your key turns the ignition but the engine cranks and dies, that is the transponder chip failing, not the remote. If doors won't lock from the driveway, swap the CR2032 in the remote first.
Related services: Ignition Repair · Smart Key

Licensed Toyota Key Pro vs Dealership

Licensed, certified, and reviewed - compare the credentials

EZ Car Keyz
EZ Car Keyz
Dealership
Average Cost
✓ $$
✕ $$$$
Location
✓ We come to you
✕ You drive there
Wait Time
✓ 20-45 min
✕ 2-5 days
Same-Day
✓ Yes
✕ Rarely
All Keys Lost
✓ No problem
✕ Tow required
OEM Quality
✓ Yes
✓ Yes
EZ Car Keyz wins 5 out of 6
Licensed, insured, and 1000+ five-star reviews
Book Service (805) 790-8162

2005 Toyota Sequoia Remote Replacement - Fast, Affordable & Professional

Got a call from a guy out near a campground on the edge of Fillmore, close to the Mountain View neighborhood. He had a 2005 Toyota Sequoia, all doors locked, and his only remote had stopped working mid-trip. The key blade still turned the ignition fine, but the remote buttons were dead. No lock, no unlock, no hatch release. He had been reaching across from the driver side to manually pop locks for his kids all morning.

He had walked to the camp host to borrow a phone.

I drove out there and started with the obvious. Cracked open the HYQ12BBX remote on his tailgate. The CR2032 was corroded on one side, green crust on the negative contact inside the fob housing. Cleaned the battery terminals on the board, dropped in a fresh CR2032, and re-seated the rubber button pad.

Then the programming check. On these first-gen Sequoias, the remote is a standalone RF unit, FCC ID HYQ12BBX, separate from the transponder in the key blade. You can re-sync the remote with a door-lock cycling procedure if it loses its pairing, no scan tool needed for just the remote side. His re-paired on the second cycle.

Walked every button. Lock, unlock, panic, hatch glass. All responding from 30 feet out.

He thought the whole key assembly was shot. It was a bad battery and some corrosion. Took maybe 15 minutes, done on a dirt road with no tow truck in sight.

Save vs the Dealer on Your Toyota Sequoia Key

Get your key for hundreds less than the dealer. Same quality, same result, better price.

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BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
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Fully Insured
Liability & vehicle damage coverage
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Also serving: Downtown Fillmore · Heritage Valley · North Fillmore

Toyota Sequoia Rapid Response, Done Right

Rapid response in the field

Lost 2005 Toyota Sequoia key replacement by EZ Car Keyz in Fillmore CA
Remote | Rapid On-Site Service
2005 Toyota Sequoia | Ventura County
Lost 2005 Toyota Sequoia key replacement by EZ Car Keyz in Fillmore CA
2005 Toyota Sequoia Remote
2005 Toyota Sequoia
Remote | Pro Grade Service
Estimated arrival time to Fillmore
Proven Timing
Rapid Arrival
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Service location Fillmore
Fillmore
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805 Area
Same-Day Keys (805) 790-8162

Why Toyota Customers Trust Us

Licensed, certified, and proven

E
Edelson E.
Oct 2025
★★★★★

“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.”

Google Review
M
Miston
Dec 2025
★★★★★

“My ignition would not turn in La Jolla and I thought I needed a tow. EZ Car Keyz repaired the ignition on the spot and also made a spare key for safety. The technician worked carefully and confidently.”

Google Review
R
Rick R.
Apr 2021
★★★★★

“Niv showed up, did his thing, and just like that I had two new keys for a fraction of what the dealership quoted. I have zero reservations recommending him to anyone who needs car keys replaced.”

Google Review
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Customer review after losing 2005 Toyota Sequoia key - EZ Car Keyz Fillmore CA
“Real savings, real reviews.”
Customer review after losing 2005 Toyota Sequoia key - EZ Car Keyz Fillmore CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Toyota Sequoia Mobile Service FAQ

Real costs, no dealer surprises

What type of key system does the 2005 Toyota Sequoia actually use?
Two separate systems working together. The ignition key has a transponder chip (Texas Instruments 4D-67) embedded in the head that communicates with the immobilizer ECU when you turn the key. The remote, FCC ID HYQ12BBX with part number 89742-0C030, is a standalone RF transmitter that only handles door locks, panic, and rear hatch glass. They are independent. A dead remote battery will not stop the engine from starting, and a failing transponder chip will not affect your door locks.
Can I program the HYQ12BBX remote myself or do I need a locksmith?
Does your price include everything, or are there separate fees for the remote and programming?
My 2005 Sequoia cranks but won't start and the security light is blinking. Is that the key?
I bought an HYQ12BBX remote online. Will it work with my Sequoia?
Questions? Call (805) 790-8162

Toyota Sequoia Key Service Areas

Licensed and insured in every city

📍Ventura County & SB
Ventura County service area map
805 LOCAL LOCKSMITH
need a key? 🔑
Santa Barbara
Santa BarbaraETA 30-35 min
Goleta
GoletaETA 30-35 min
Isla Vista
Isla VistaETA 30-35 min
Montecito
MontecitoETA 25-30 min
Carpinteria
CarpinteriaETA 20-25 min
Ojai
OjaiETA 20-25 min
Ventura
VenturaETA 10-15 min
Santa Paula
Santa PaulaETA 20-25 min
Fillmore
FillmoreETA 25-30 min
Oxnard
OxnardETA 10-15 min
Port Hueneme
Port HuenemeETA 10-15 min
Camarillo
CamarilloETA 15-20 min
Moorpark
MoorparkETA 25-30 min
Simi Valley
Simi ValleyETA 30-35 min
Thousand Oaks
Thousand OaksETA 20-25 min
Santa BarbaraGoletaMontecitoCarpinteriaOjaiVenturaSanta PaulaFillmoreOxnardPort HuenemeCamarilloMoorparkSimi ValleyThousand Oaks
Emergency 2005 Toyota Sequoia locksmith service area in Ventura County CA
Emergency 2005 Toyota Sequoia locksmith service area in Ventura County CA
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