Variant 1
ECU- Catalog engine
- 2200 150HP
- Engine code
- SH-VPTS
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SHBN-18881-E
MAZDA · SH12 ECU
MAZDA 3 SH12 tuning files
MAZDA 3 on the SH12: matched, calibrated and delivered with care. Stock output across the matched variants spans 102–150 HP. There are 9 distinct variants on file for this combination. 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.
Available solutions
Applicable work for the SH12 on this vehicle. The available set firms up once the exact engine and software are known.
Engine variants & ECU software
9 distinct variants for the MAZDA 3 on the SH12 ECU. Reference the engine and controller software when you upload.
Variant 2
ECU- Catalog engine
- 2200 150HP
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
Variant 3
ECU- Catalog engine
- 2200 150HP
- Engine code
- SH-VPTS
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SH7R-18881-A
- ECU HW
- SH12-188K1-
- SW upgrade
- SH7R-188K2-A
Variant 4
ECU- Catalog engine
- 2200 150HP
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SH12-188K2-K
- ECU HW
- SH12-18881-K
Variant 5
ECU- Catalog engine
- 2200 150HP
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SH13-18881-D
- ECU HW
- SH13-188K1
- SW upgrade
- SH13-188K2-D
Variant 6
ECU- Catalog engine
- 2200 150HP
- Engine code
- SH-VPTS
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SHAS-18881-D
Variant 7
ECU- Catalog engine
- 2200 150HP
- Engine code
- SH-VPTS
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SH06-188K1-B
Variant 8
ECU- Catalog engine
- 2200 Skyactiv-D 150HP
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 150 HP
- ECU SW
- SH12-188K2-D
- ECU HW
- SH12-18881-D
Variant 9
ECU- Catalog engine
- 1600 102HP
- Controller brand
- DENSO
- ECU
- SH12
- Stock power
- 102 HP
Related vehicles
Other vehicles built on the SH12 controller or the same engine — handy when a platform spans several models and makes.
Questions, answered.
Which tuning solutions are available for the MAZDA 3 on the SH12?
Stage 1, Stage 2, Swirl Flaps Off, Lambda / O2, OPF/GPF Off. The exact set depends on the specific engine and software version.
Do you cover the SH12 ECU software on this model?
Yes — the MAZDA 3 on the SH12 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.