Variant 1
ECU- Catalog engine
- 5000 444HP
- Controller brand
- DENSO
- ECU
- GEN3
- Stock power
- 444 HP
- ECU SW
- 89663-50K00
- SW upgrade
- 350K0000
- Calibration
- 350K0000
LEXUS · GEN3 ECU
LEXUS LS GEN3 tuning files
Tuning file coverage for the LEXUS LS running the GEN3 ECU. The matched variants sit between 422 and 444 HP from the factory. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.
Available solutions
Applicable work for the GEN3 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
5 distinct variants for the LEXUS LS on the GEN3 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 3500 422HP
- Controller brand
- DENSO
- ECU
- GEN3
- Stock power
- 422 HP
- ECU SW
- 89663-50L30
- SW upgrade
- 350L3000
- Calibration
- 350L3000
Variant 3
ECU- Catalog engine
- 3500 422HP
- Controller brand
- DENSO
- ECU
- GEN3
- Stock power
- 422 HP
- ECU SW
- 89663-50N70
- SW upgrade
- 350N7000
- Calibration
- 350N7000
Variant 4
ECU- Catalog engine
- 3500 422HP
- Controller brand
- DENSO
- ECU
- GEN3
- Stock power
- 422 HP
- ECU SW
- 89663-50N71
- SW upgrade
- 350N7100
- Calibration
- 350N7100
Variant 5
ECU- Catalog engine
- 3500 422HP
- Controller brand
- DENSO
- ECU
- GEN3
- Stock power
- 422 HP
Related vehicles
Other vehicles built on the GEN3 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the LEXUS LS on the GEN3?
Stage 1, Stage 2. The exact set depends on the specific engine and software version.
Do you cover the GEN3 ECU software on this model?
Yes — the LEXUS LS on the GEN3 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.