VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
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Fast Response Locksmith

2003 Toyota Sienna
Key Replacement - Save vs Dealer in Ventura County

No Delays | No Runaround

Available
2003 Toyota Sienna Transponder Key
Transponder Key

Need your key replaced today? We offer same-day mobile service with an average arrival time of 20-30 minutes. Most keys are cut and programmed in under 45 minutes.

CA BSIS LICENSE LCO#6792
Immediate Response Done While You Wait No Multi-Day Wait
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2003 Toyota Sienna key replacement info - no tow needed - EZ Car Keyz Ventura CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2003 Toyota Sienna key replacement info - no tow needed - EZ Car Keyz Ventura CA
Key specialists
15-25 Min Arrival
Our mobile unit is dispatched immediately
Fixed pricing
No Appointment Needed
Walk-up service available 7 days a week
Fast mobile service
Quick Turnaround
Most keys completed in under 45 minutes on-site
805 Special
10% OFFCODE:EZ-805-2026

🔥 Back on the road fast, for less 🔥

Get your key & your discount fast
REDEEM (805) 790-8162

2003 Toyota Sienna
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Toyota key typeMost Popular
2003 Toyota Sienna Transponder Key
FCC IDPart #PE-TOY43AT4ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Toyota Sienna Remote GQ43VT14T
FCC IDGQ43VT14TPart #89742-06010Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2003 Toyota Sienna Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
2003 Toyota Sienna key fob cut and delivered to you in Ventura CA
Skip the Dealer Markup
Professional key, honest rate
2003 Toyota Sienna key fob cut and delivered to you in Ventura CA
🔧 PRO TIP
The 2003 Sienna uses a transponder key with no remote, no fob, no battery. It's a turn-key setup: the immobilizer reads the chip through a coil ring around the ignition cylinder, and if it doesn't recognize the chip, the engine cranks but won't fire. So if a guy cuts a copy at a hardware store and the car starts and immediately dies, that's why. The cut is right but the chip is blank or the wrong type. Getting a working key on one of these means both things have to be correct: the blade cut and the chip programmed to the car. One without the other doesn't get you home.
Related services: Ignition Repair · Smart Key

Toyota Key: Same-Day vs Dealer Timeline

Speed matters - see the numbers

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
Done in minutes, not days
Book Service (805) 790-8162

2003 Toyota Sienna Transponder Key Replacement - Fast, Affordable & Professional

I was out near Mussel Shoals on a Tuesday when a guy called me about his 2003 Sienna. He'd had a copy made at a hardware store kiosk weeks earlier and it had been sitting in a kitchen drawer ever since. He finally tried it when he lost his original, and the van cranked fine but died the moment he let go of the key. He figured the copy was cut wrong and called a locksmith expecting a cutting job.

When I got there, I checked the blade first. The cut was actually decent, close enough. The issue was the chip inside: blank from the kiosk machine, never programmed, just riding along doing nothing while the immobilizer sat there waiting for a code it never got.

I connected through the OBD port, pulled the car into the pairing process, and wrote the correct chip data to a new key blank. Cut it on site to match the lock. Tested it cold: full crank, clean start, no stall.

He had that hardware store key in his hand the whole time, a little confused that it looked identical to the one I just made him. The difference isn't something you can see.

He'd already paid for the hardware store copy. The dealer was going to charge him for a new key plus a diagnostic fee to figure out why the first copy didn't work. He didn't need either of those things. He needed the right key done right, in the parking lot, before noon.

Save vs the Dealer on Your Toyota Sienna Key

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

Get Pricing (805) 790-8162 Text Us
BSIS Licensed Locksmith - California License LCO#6792
BSIS Licensed
CA Bureau of Security & Investigative Services
NASTF Certified Automotive Locksmith - Vehicle Security Professional
NASTF Certified
National Automotive Service Task Force
Fully Insured Locksmith - Hiscox Liability and Vehicle Damage Coverage
Fully Insured
Liability & vehicle damage coverage
Google Guaranteed Locksmith - Verified and Background Checked
Google Guaranteed
Verified & backed by Google
Also serving: Casitas Springs · College · Downtown Ventura · East Ventura

Toyota Sienna Rapid Response, Done Right

Rapid response in the field

2003 Toyota Sienna key replaced in your driveway in Ventura CA
Transponder Key | Rapid On-Site Service
2003 Toyota Sienna | Ventura County
2003 Toyota Sienna key replaced in your driveway in Ventura CA
2003 Toyota Sienna Transponder Key
2003 Toyota Sienna
Transponder Key | Done in Minutes
Estimated arrival time to Ventura
Fast Dispatch
Rapid Arrival
Available Today
Service location Ventura
Ventura
Rapid Service Zone
805 Area
Same-Day Keys (805) 790-8162

Fast Keys, Happy Customers

Quick service that speaks for itself

E
Erick
Nov 2025
★★★★★

“A+ service at an even better price. Tim was a lifesaver. I lost my original and only key for my Audi and he was willing to come to my location at 8pm the same day. He worked fast, communicated clearly, and made sure everything worked before leaving.”

Google Review
H
Hunter P.
Jul 2025
★★★★★

“I called over 40 locksmiths trying to get a key made for my Audi A6 and nobody could do it. Tim made it easy, fast, and affordable. He showed up with a smile and got the job done without any stress. Absolute wizard with keys.”

Google Review
E
Esteban S.
Dec 2025
★★★★★

“My Chevy key snapped while I was running errands in North Oxnard. He removed the broken piece from the ignition, cut a new blade, programmed the transponder, and tested everything thoroughly. The whole job was smooth and professional. Best automotive locksmith I have used.”

Google Review
Watch real savings, real jobs62KFollowers
Locksmith came to me for 2003 Toyota Sienna key - EZ Car Keyz Ventura CA review
“Real savings, real reviews.”
Locksmith came to me for 2003 Toyota Sienna key - EZ Car Keyz Ventura CA review
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Toyota Sienna Mobile Service FAQ

Real costs, no dealer surprises

What if I need a key for my 2003 Sienna after hours or on the weekend?
Dealer service departments typically close in the early evening and are often closed Sundays. Losing your only key on a Saturday night means waiting until at minimum Monday morning, then getting an appointment, then waiting for parts if they don't stock the blank. Mobile service sidesteps all of that. One call gets you scheduled outside normal business hours, often the same evening or the following morning, depending on where you are in the Ventura area.
How long does the whole job take once you're at my car?
Can you get this done faster than a Toyota dealer?
I have a spare key for my 2003 Sienna. Does it need to be programmed or is it already good to go?
My 2003 Sienna starts fine sometimes and refuses other times. Could this be a key or immobilizer issue?
Questions? Call (805) 790-8162

Toyota Sienna Key Service Areas

No delays, any service area

📍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
Doorstep 2003 Toyota Sienna locksmith coverage across Ventura County CA
Doorstep 2003 Toyota Sienna locksmith coverage across Ventura County CA
Stranded in Ventura County? We respond fast

Don’t see your city? Call us - we likely cover your area too!

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Toyota Sienna car key replacement video
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Quick 2003 Toyota Sienna Key Service

Time matters when you need a key. We treat every call as urgent and arrive ready to work.

Skip the dealer for 2003 Toyota Sienna car key - EZ Car Keyz Ventura CA
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