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

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

No Working Key Required | We Handle It

Available
2003 Toyota Avalon Transponder Key
Transponder Key

Whether you lost your only key, it was stolen, or it just stopped working, we handle it. No existing key needed. Our technicians program new keys directly to your vehicle's computer.

CA BSIS LICENSE LCO#6792
No Working Key? Easy No Dealer Tow Fresh Key On-Site
Fast Response15-25
min arrival
1,000+reviews
See why they skip the dealer113KSubscribers
2003 Toyota Avalon car key pricing breakdown from EZ Car Keyz Moorpark CA
Marco Levy • EZ Car Keyz 🔥
Licensed Mobile Locksmith • Oxnard, CA
15+
Yrs Exp
2003 Toyota Avalon car key pricing breakdown from EZ Car Keyz Moorpark CA
Key specialists
All Keys Lost?
We make new keys from scratch - no existing key needed
Fixed pricing
No Tow Required
We come to wherever the car is sitting
Fast mobile service
Emergency Service
Available 7 days a week, 6 AM to 11:30 PM
805 Special
10% OFFCODE:EZ-805-2026

🔥 Lost key panic? Save with this 🔥

No exclusions on emergency key calls
REDEEM (805) 790-8162

2003 Toyota Avalon
Key Options

Dealer-grade key for a fair, honest price

Transponder Key
Most popular Toyota key typeMost Popular
2003 Toyota Avalon Transponder Key
FCC IDPart #PE-TOY43AT4ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Remote
2003 Toyota Avalon Remote HYQ12BBX
FCC IDHYQ12BBXPart #89742-0C030Buttons4BatteryCR2032Frequency315 MHzRemote StartNo
✓ In Stock · Programmed On-Site
MECHANICAL-KEY
2003 Toyota Avalon MECHANICAL-KEY
FCC IDPart #ButtonsBatteryFrequencyRemote StartNo
✓ In Stock · Programmed On-Site
Value priced 2003 Toyota Avalon smart key from EZ Car Keyz Moorpark CA
Skip the Dealer Markup
Professional key, honest rate
Value priced 2003 Toyota Avalon smart key from EZ Car Keyz Moorpark CA
🔧 PRO TIP
The 2003 Avalon runs a Texas Instruments 4C glass transponder chip inside the key head, talking to Toyota's older fixed-code immobilizer. No rolling code, no encryption. That means a working original can be cloned directly onto a new TPX4 or T2 blank without touching the car's ECU. But if both keys are gone, you are dealing with a full immobilizer reset through the 93C56 EEPROM on the immo box, which is a different job entirely. Hang onto at least one working key.
Related services: Ignition Repair · Smart Key

No Spare? See the Difference

Emergency options side by side

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
New key made on the spot, no original required
Book Service (805) 790-8162

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

A guy near Poindexter Park in Moorpark had just picked up a 2003 Avalon off Craigslist. Good shape, clean title, one key. The seller handed him a single blade key with the rubber grip half peeling off and said good luck getting a spare.

He tried a hardware store first. They cut the blade fine but the car cranked and would not fire. No spark, no fuel, just the security light on the dash blinking at him. The store couldn't help him past that. That is the 4C transponder doing its job. Without the chip handshake, the immobilizer kills the injectors every time.

He called the dealer. They quoted him a wait of five to seven business days and a price that made him pause. Then he found me.

I met him at the car, pulled his original key, and read the 4C chip data with my VVDI2. Wrote it straight to a fresh TPX4 clone blank. Cut the TOY43 blade on my Condor, matched it to the original. Total time on site was about twenty minutes.

He turned both keys, one after the other, and the engine fired clean each time. No security light. He kept flipping them back and forth like he was testing a magic trick.

Now he has a spare, which means if one disappears he is looking at a simple add-key job instead of a full all-keys-lost reset on that 93C56 EEPROM. That difference alone saves him a lot down the road.

Save vs the Dealer on Your Toyota Avalon 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 Moorpark · Moorpark College Area · Moorpark Home Acres · Mountain Meadows

Toyota Avalon Rapid Response, Done Right

Rapid response in the field

2003 Toyota Avalon key replacement at half the dealer price in Moorpark CA
Transponder Key | Rapid On-Site Service
2003 Toyota Avalon | Ventura County
2003 Toyota Avalon key replacement at half the dealer price in Moorpark CA
2003 Toyota Avalon Transponder Key
2003 Toyota Avalon
Transponder Key | Rescue Key
Estimated arrival time to Moorpark
Priority ETA
Rapid Arrival
Available Today
Service location Moorpark
Moorpark
Help Is Close
805 Area
Same-Day Keys (805) 790-8162

Emergency Saves, Real Reviews

Emergency saves, grateful customers

A
Antoine M.
Dec 2025
★★★★★

“I am very pleased with the value of the service I received from Marco at EZ Car Keyz. They arrived extremely fast, opened my door in no time, and the price was right on point.”

Google Review
E
Ezra M.
Oct 2025
★★★★★

“I needed a new key for my car and Marco gave me the best quote by far. He showed up, made the new key on the spot, and everything works perfectly. Fast service and great value.”

Google Review
F
Felipe P.
Oct 2025
★★★★★

“Quick, affordable, and professional service. Marco made a new key for my motorcycle after I lost it and had me back on the road fast. Clean work, great price, and super friendly.”

Google Review
Watch real savings, real jobs62KFollowers
Best value 2003 Toyota Avalon key replacement review - EZ Car Keyz Moorpark CA
“Real savings, real reviews.”
Best value 2003 Toyota Avalon key replacement review - EZ Car Keyz Moorpark CA
5.0 out of 5 - Based on Over 1,000 five-star Google reviews
Best Price (805) 790-8162

Toyota Avalon Mobile Service FAQ

Real costs, no dealer surprises

I only have one key and I am locked out of my 2003 Avalon. Can you come to me in Moorpark?
Yep. That is literally the job. I come to wherever you and the Avalon are near Poindexter Park in Moorpark with blanks, a cutting machine, and programming tools. No tow truck, no dealer appointment, no waiting days for a part to ship. If your one key is locked inside, I pick the TOY43 wafer lock, get you in, then we talk about getting a spare made so this does not happen twice.
Does the dealer really need my car for a week just to make a key?
What do I need to have ready so you can make my key?
My 2003 Avalon cranks but will not start and the security light is flashing. Is the key bad?
I lost all my keys. Is an all-keys-lost job even possible on a 2003 Avalon without the dealer?
Questions? Call (805) 790-8162

Toyota Avalon Key Service Areas

Emergency response, full coverage

📍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
Best deal 2003 Toyota Avalon locksmith coverage in Ventura County CA
Best deal 2003 Toyota Avalon locksmith coverage in Ventura County CA
Stranded in Ventura County? We respond fast

Emergency service available in all listed cities

SOS Call (805) 790-8162
Filmed on Location
Toyota Avalon car key replacement video
113K+ Chose EZ Car Keyz

2003 Toyota Avalon Key Rescue

No key, no problem. We cut and program a brand new key directly to your car's computer.

Unbeatable 2003 Toyota Avalon key price from EZ Car Keyz Moorpark CA
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Ventura County