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Lexus SC 430 Key Replacement

Lexus SC 430 keys date back to 2002 and span 1 key system across the model’s generations — transponder / remote-head key. DFW Keys 4 Cars cuts and programs every one of them at your location anywhere in Dallas–Fort Worth, 24/7 — spares, all-keys-lost, fobs and lockouts. Call (214) 717-6398.


About SC 430 Keys

Verified key reference for the Lexus SC 430 — model years, key types, and the transponder/immobilizer each generation uses. Boundary years can overlap; we confirm the exact part by VIN before dispatching.

Model / GenerationYearsKey TypeTransponder / ImmobilizerBlade / FCC
SC 4302002–2010Transponder / remote-head keyTexas Crypto 4D (4D68, DST80 “G”)TOY48

Security System & Immobilizer

Lexus shares Toyota’s immobilizer lineage — 4C, 4D67, G and H transponder eras — topped by Smart Access proximity fobs on push-to-start models.

On the SC 430 specifically we see: Texas Crypto 4D (4D68, DST80 “G”). A correctly cut but unprogrammed key turns the locks and never starts the engine — programming is the half of the job that matters.

Which key does your year have?

  • 2002–2010: Transponder / remote-head key — Texas Crypto 4D (4D68, DST80 “G”) (TOY48)

Our SC 430 Key Services


Lexus SC 430 Key FAQ

I lost the only key to my SC 430. What now?

We come to the vehicle, verify ownership, cut a new key from the VIN, and program it on-site — no tow, no dealer wait.

Will a hardware-store copy start my SC 430?

On transponder-era cars it opens doors and nothing else — the chip must be programmed to the immobilizer, which is what we do curbside.

How fast can you reach my SC 430 in DFW?

We dispatch the nearest mobile unit metroplex-wide, 24/7 — call (214) 717-6398 for an honest ETA.