TOYOTA · RX703200 ECU

TOYOTA TUNDRA RX703200 tuning files

TOYOTA TUNDRA on the RX703200: matched, calibrated and delivered with care. The matched variants sit between 288 and 381 HP from the factory. 2 distinct variants are catalogued here. For this platform the dependable path begins with Stage 1 and Stage 2. Each file is tied to the precise software on your car and checked before it goes out.

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Available solutions

Solutions that apply to the RX703200 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

2 distinct variants for the TOYOTA TUNDRA on the RX703200 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 5700 381HP
Engine code: 3UR-FE
Controller brand: DENSO
ECU: RX703200
Stock power: 381 HP
ECU SW: 89663-0C580
SW upgrade: 30C58000
Calibration: 30C58000

Variant 2

ECU

Catalog engine: 4700 288HP
Controller brand: DENSO
ECU: RX703200
Stock power: 288 HP

Related vehicles

Other vehicles built on the RX703200 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the TOYOTA TUNDRA on the RX703200?

Stage 1, Stage 2. The exact set depends on the specific engine and software version.

Do you cover the RX703200 ECU software on this model?

Yes — the TOYOTA TUNDRA on the RX703200 ECU is part of the catalog. Upload your original file and it is matched to the right calibration before any work is done.

How is the file delivered?

Through the TuningBay workflow with operator validation and one safe, sensible result per job. Files we deliver, we stand behind.