2003 Toyota 4runner
Key Replacement - Save vs Dealer in San Diego
OEM Quality | Fraction of the Dealer Price

Save 40-60% compared to dealership prices. Our certified technicians come to your home, office, or roadside with all the equipment needed to cut and program your key on the spot.

Best price on car keys, guaranteed
2003 Toyota 4runner
Key Options
Dealer-grade key for a fair, honest price
Why Pay Dealer Prices for a Toyota Key?
Compare prices and stop overpaying for your key
2003 Toyota 4runner Transponder Key Replacement - Fast, Affordable & Professional
Toyota's immobilizer is the reason your key costs more than a hardware store copy. Every Toyota since the early 2000s has a transponder chip in the key head. The chip evolved from 4C to 4D to G-chip to H-chip over the years, but the concept is the same. When you turn the ignition, a coil around the cylinder sends a signal to that chip. The chip responds with a code. If the code matches, the engine starts. No match, no start. That is why a $3 key copy from the kiosk will turn the lock but will not start the car.
A woman at Costco in San Marcos thought only the dealer could program that chip for her 2003 Toyota 4runner. The dealer quoted $257 and she assumed that was her only option because of the "computer work" involved.
I brought my Smart Pro to her car in the lot. The Smart Pro is a dedicated key programming tool with Toyota-specific packages. It connects through OBD, pulls the immobilizer seed, and registers the new key. Her 4runner uses an older transponder key with FCC ID for the separate remote. The chip inside is what matters for starting, and my tool programs it the same way the dealer's does.
Her spare was cut, programmed, and tested in under 30 minutes. Total was $103 compared to the dealer's $257. The technology in the key is real. The dealer premium on that technology is not.
Save vs the Dealer on Your Toyota 4runner Key
Get your key for hundreds less than the dealer. Same quality, same result, better price.
Toyota 4runner Rapid Response, Done Right
Rapid response in the field
Real Reviews, Real Savings
See why drivers choose us over the dealer
“I lost my Honda Passport key and called EZ Car Keyz. He came out and made a new key in under five minutes. Legendary service.”
“They responded instantly, showed up within an hour, and arrived exactly when they said they would. Made a copy and programmed a fob for my 2014 car with a worn ignition in about 15 minutes. The new key works perfectly and feels like a dealer key.”
“About 15 minutes after calling, he was already at my home. I had lost my original Ford key and he made and programmed a new one on the spot. Very fast, very professional.”
Toyota 4runner Key Service Areas
Fair pricing in every city we serve

Free mobile service to all listed cities - no trip fees








