VENTURA COUNTY
6AM - 11:30PM • MOBILE SERVICE •
Call or Text (805) 790-8162
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Fast Response Locksmith

2003 Toyota 4runner
Key Replacement - Save vs Dealer in Ventura County

Rapid Mobile Service | No Waiting

Available
2003 Toyota 4runner Transponder Key
Transponder Key

Don't wait 3-5 business days at the dealership. EZ Car Keyz gets you back on the road fast. We arrive quickly and have your new key working before your coffee gets cold.

CA BSIS LICENSE LCO#6792
Fast Arrival One Visit, Done No Delays
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
Verified locksmith 2003 Toyota 4runner key specs from EZ Car Keyz Santa Barbara CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
Verified locksmith 2003 Toyota 4runner key specs from EZ Car Keyz Santa Barbara 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

🔥 Get your key today for less 🔥

Savings applied during your appointment
REDEEM (805) 790-8162

2003 Toyota 4runner
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Toyota key typeMost Popular
2003 Toyota 4runner Transponder Key
FCC IDPart #89785-08020ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Toyota 4runner Remote HYQ12BBX
FCC IDHYQ12BBXPart #89742-0C030Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Toyota 4runner Remote HYQ12BAN
FCC IDHYQ12BANPart #89742-0C020Buttons3BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
Metal Key
2003 Toyota 4runner Metal Key
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Dealer grade 2003 Toyota 4runner key fob from EZ Car Keyz Santa Barbara CA
Skip the Dealer Markup
Professional key, honest rate
Dealer grade 2003 Toyota 4runner key fob from EZ Car Keyz Santa Barbara CA
🔧 PRO TIP
The 2003 4Runner uses a transponder key with no remote, no fob, no battery. The immobilizer lives in the ECU and talks to a coil ring around the ignition cylinder. When a new key gets cut, it still has to be registered to that system or the engine cranks and cuts out after about two seconds. That "starts then dies" behavior is not a fuel or spark problem. It is the immobilizer doing exactly what it is supposed to do with an unregistered key. Hardware key stores cut the blade fine but they cannot touch the programming side, so you end up with a key that fits the lock and does nothing useful on the road.
Related services: Ignition Repair · Smart Key

Done Fast vs Dealer Delays

One hour vs one week - compare

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
Same-day service vs dealer wait times
Book Service (805) 790-8162

2003 Toyota 4runner Transponder Key Replacement - Fast, Affordable & Professional

The Presidio neighborhood in Santa Barbara is mostly tight residential streets, and I pulled up behind a 2003 4Runner that was parked in a driveway with the hood up. The owner had already convinced himself it was a dead battery because it cranked strong and just died. He had jumper cables out.

I asked him to try his key one more time while I watched. It fired, idled for maybe two seconds, and shut off clean. No rough running, no stumble. Just gone. That is a specific pattern, and I have seen it enough times to know exactly what it means.

He had lost his only working key a few weeks earlier and had a copy made at a hardware store. The blade was cut correctly. It turned in the ignition just fine. But the transponder in that key had never been registered to the vehicle's immobilizer, so the system killed the engine every time.

I connected my programmer at the OBD port, registered the new key to the vehicle, and had him try it again. It started and stayed running. He held onto the steering wheel for a few extra seconds like he was waiting for it to change its mind.

The dealer had told him it would be a multi-day job and a lot of money. He called me instead and was driving again before lunch.

Save vs the Dealer on Your Toyota 4runner 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: Downtown Santa Barbara · Eastside · Funk Zone · Hope Ranch

Toyota 4runner Rapid Response, Done Right

Rapid response in the field

Insured mobile locksmith working on 2003 Toyota 4runner in Santa Barbara CA
Transponder Key | Rapid On-Site Service
2003 Toyota 4runner | Ventura County
Insured mobile locksmith working on 2003 Toyota 4runner in Santa Barbara CA
2003 Toyota 4runner Transponder Key
2003 Toyota 4runner
Transponder Key | Done in Minutes
Estimated arrival time to Santa Barbara
Fast Dispatch
Rapid Arrival
Available Today
Service location Santa Barbara
Santa Barbara
Rapid Service Zone
805 Area
Same-Day Keys (805) 790-8162

What Same-Day Toyota Service Sounds Like

What quick turnaround sounds like

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
K
Kelly C.
Dec 2024
★★★★★

“My car keys were stolen on a cold evening and Nick drove all the way out to Santa Barbara. He got into my car, made a new key, and charged $100 less than another company. Friendly, skilled, trustworthy, and genuinely caring. Nick is a hero.”

Yelp Review
K
Kane G.
Apr 2024
★★★★★

“Tim is a hero. He programmed a master proximity key for a newer Volkswagen that multiple locksmiths refused to touch. He spent hours until late at night making sure every function worked perfectly. The skill level here is incredible.”

Yelp Review
Watch real savings, real jobs62KFollowers
Google Guaranteed locksmith review for 2003 Toyota 4runner - EZ Car Keyz Santa Barbara CA
“Real savings, real reviews.”
Google Guaranteed locksmith review for 2003 Toyota 4runner - EZ Car Keyz Santa Barbara CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Toyota 4runner Mobile Service FAQ

Real costs, no dealer surprises

What is the cheapest way to handle all-keys-lost on a 2003 4Runner?
Call a mobile locksmith before you call a tow truck. All-keys-lost on a 2003 4Runner means cutting a new blade and registering it to the immobilizer, and both steps can be done at the vehicle, wherever it is sitting. Dealers tend to schedule these as shop jobs, which means towing if the vehicle does not drive, waiting for an appointment slot, and paying dealer labor rates on top of parts. A mobile locksmith comes to your location in the Presidio area of Santa Barbara, does the cut and the programming on site, and you drive away. No tow, no overnight, no waiting. Call for pricing before you assume the dealer is your only option.
Can you delete a lost or stolen key from my 2003 4Runner so it cannot start the vehicle anymore?
Does my 2003 4Runner key have a hidden emergency blade or a remote inside it?
I had a spare key made at a hardware store for my 2003 4Runner and now the truck cranks but shuts off immediately. What is happening?
My 2003 4Runner starts fine but the key feels loose in the ignition and is getting hard to turn. Is that a key problem or an ignition problem?
Questions? Call (805) 790-8162

Toyota 4runner Key Service Areas

Rapid service in your 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
Guaranteed 2003 Toyota 4runner locksmith service area in Ventura County CA
Guaranteed 2003 Toyota 4runner locksmith service area in Ventura County CA
Stranded in Ventura County? We respond fast

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Toyota 4runner car key replacement video
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2003 Toyota 4runner Key in Under an Hour

We dispatch fast and finish faster. Most keys are cut and programmed in 20-45 minutes.

Rated number one 2003 Toyota 4runner locksmith - EZ Car Keyz Santa Barbara CA
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Ventura County