Variant 1
ECU- Catalog engine
- 3500 389HP
- Controller brand
- KEIHIN
- ECU
- RH850
- Stock power
- 389 HP
- Calibration
- 30CS5200
TOYOTA · RH850 ECU
TOYOTA TUNDRA RH850 tuning files
Here is what the catalog holds for the TOYOTA TUNDRA on the RH850. Across the matched variants stock power runs from 389 to 389 HP. Stage 1 and Stage 2 are the safe starting points for this platform. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Applicable work for the RH850 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
1 distinct variant for the TOYOTA TUNDRA on the RH850 ECU. Reference the engine and controller software when you upload.
Related vehicles
Other vehicles built on the RH850 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 RH850?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the RH850 ECU software on this model?
Yes — the TOYOTA TUNDRA on the RH850 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.