| ? Vehicle | Toyota Tundra (USK5) – 5.7L V8 |
| ?️ Generation | 2nd Generation Facelift – Model-Year 2014–2021 |
| ?️ Engine | 3UR-FE – 5.7 L V8 – DOHC – Dual VVT-i – 32 valves |
| ⚙️ Transmission | 6-speed automatic (Aisin AB60F) |
| ⚡ Rated Output | 381 hp (284 kW) • 401 lb-ft (544 Nm) |
| ? ECU Type | Denso RX7 – Flash-only control module (no EEPROM) |
| ? Toyota Part Number | 89663-0CL12 |
| ? Microcontroller | NEC RX703200 – 32-bit RISC |
| ? Project | USDM Tundra 5.7L V8 – Non-hybrid – Gasoline |
| ? Security | Flash-only access – No tool signature – No TPROT |
| ? File Size | 1,015,808 bytes (~992 KB) |
| ✅ Checksum | Valid – no corruption detected |
| ? Remap | ❌ None – Original stock calibration |
| ?️ Reading Method | Bench / Flash programmer (no OBD or tool tag) |
Notice: We strongly recommend backing up your original firmware before performing any remap.
Delivery: The download link will instantly be sent to your email after payment.






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