Variant 1
ECU- Catalog engine
- 2000 248HP
- Controller brand
- HITACHI
- ECU
- RH850
- Stock power
- 248 HP
NISSAN · RH850 ECU
NISSAN ALTIMA RH850 tuning files
Everything we work with on the NISSAN ALTIMA fitted with the RH850. Stock output across the matched variants spans 185–248 HP. For this platform the dependable path begins with Stage 1 and Stage 2. Every file is matched to the exact calibration on your vehicle and signed off by an operator.
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
4 distinct variants for the NISSAN ALTIMA on the RH850 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2000 248HP
- Controller brand
- HITACHI
- ECU
- RH850
- Stock power
- 248 HP
- ECU SW
- 237035NA1B
- ECU HW
- 237106CR1B
Variant 3
ECU- Catalog engine
- 2500 185HP
- Controller brand
- HITACHI
- ECU
- RH850
- Stock power
- 185 HP
Variant 4
ECU- Catalog engine
- 2500 185HP
- Controller brand
- HITACHI
- ECU
- RH850
- Stock power
- 185 HP
- ECU HW
- BED509
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 NISSAN ALTIMA 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 NISSAN ALTIMA 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.