Toyota 4Runner Key Replacement & Programming in Jacksonville
Spare keys from $330. All-keys-lost from $400. Mobile, on-site, same-day service across the First Coast.
Spare or Additional 4Runner Key
Dealer Price
$530 – $810
Our Price
from$330
When you still have a working key.
Lost All 4Runner Keys?
Dealer Price
$770 – $1,070
Our Price
from$400
When every key is lost or stolen.
Final price depends on your specific 4Runner year and trim — call us for an exact quote.
✓ Verified key supply for Toyota
Toyota key blanks are stocked in our supplier catalog — no special-order delay.
Key Specifications — Toyota 4Runner
| Parameter | Value |
|---|---|
| Transponder Chip | Texas Crypto 128-bit / H-Chip |
| FCC ID | HYQ14FBN / HYQ14FBC |
| Key Blade | TOY48 / TOY43 |
| Frequency | 433 MHz |
| Immobilizer | Toyota H/G Transponder |
| Proximity / Smart Key | Yes (2004+) |
About Your 2026 Toyota 4Runner
Toyota is the single most commonly serviced brand in our shop and across Jacksonville. The reason is volume: Camry, Corolla, RAV4, and Tacoma alone account for thousands of cars on the First Coast, and almost every one of them eventually needs a spare key cut, a lost remote replaced, or a smart key reprogrammed after a battery failure. Toyota's immobilizer platform — H-chip and G-chip transponder families paired with the Smart Key System on push-button cars — is well documented and broadly supported by the dealer-level diagnostic equipment we carry on the truck. That means most Toyota jobs can be completed at your driveway in 30–45 minutes, with no tow and no dealer wait. The exception is anything that uses Toyota's newest 8A-DST AES encryption (some 2018+ models): we still do these, but the key blank cost is higher and programming takes a little longer.
4Runner has been on the same body platform since 2010, which is rare for a modern Toyota. That means the key system is also unusually consistent — most 4Runners on Florida roads use the same H-chip Smart Key with minor revisions. Programming is reliable and cheap. The 6th-gen 2025 4Runner moves to the new 8A platform.
2018-and-newer Toyotas — especially redesigned RAV4, Camry, Highlander, and Tundra — moved to the 8A-DST AES encryption layer. These cars need a longer security session and slightly more expensive key blanks, but we program them on-site without towing.
Common issues we see
Two patterns we see weekly in Jacksonville: (1) Smart Key fobs that simply need a CR2032 battery and a re-sync, not a replacement — always try a fresh battery first; (2) salt-air corrosion on key blade ridges from beach driving, which makes the door cylinder feel sticky long before the immobilizer fails.
SUVs and crossovers tend to have the proximity Smart Key on higher trims and a basic transponder key on the base trim — we always confirm the exact fob part number before arriving.
Immobilizer (Toyota H/G Transponder): Toyota's H-chip and G-chip platforms have been refined over two decades. Programming is fast, well-documented, and supported by every modern aftermarket programmer.
In Jacksonville
We service Toyota 4Runner owners across all of Duval County — Jacksonville, Mandarin, Riverside, Southside, and the Beaches. Average response time across the metro is 20–30 minutes.
Why book us for your Toyota 4Runner
We carry Toyota H-chip, G-chip, and 8A blanks on the truck and program them with the same TIS-equivalent equipment a Toyota dealer uses. Average Toyota spare-key job: 35 minutes from arrival to handing you a working key.
Frequently asked questions
How long does it take to program a Toyota smart key in Jacksonville?+
Most Toyota smart key programming takes 30–45 minutes on-site once we arrive. That includes cutting the emergency blade, programming the transponder, and pairing the proximity fob.
Can you make a Toyota key without the original?+
Yes. As long as we can confirm ownership (registration + ID) we can do an all-keys-lost programming on-site. Older models take 45–60 minutes; newer 8A-encrypted models take 60–90 minutes.
How much does a Toyota smart key cost vs the dealer?+
Dealer quotes in Jacksonville for a Camry/RAV4 smart key typically run $375–$525. Our mobile price starts at $149 for the spare and $199 for all-keys-lost on most pre-2018 models. 2018+ 8A-encrypted models are slightly higher but still well below dealer.
My Toyota fob stopped working — does that mean I need a new key?+
Usually no. A dead CR2032 coin battery is the #1 reason a Toyota smart key 'dies'. Try a fresh battery first. If the car still won't recognize the fob, we can re-pair it in 20 minutes — no replacement needed.
Ready to book your Toyota 4Runner key?