MAZDA · SHYM ECU

MAZDA 3 SHYM tuning files

Here is what the catalog holds for the MAZDA 3 on the SHYM. The matched variants sit between 150 and 150 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.

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Available solutions

Solutions that apply to the SHYM 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 MAZDA 3 on the SHYM ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SHYM
Stock power: 150 HP
ECU SW: SH12-188K2-K
ECU HW: SH12-18881-K

Variant 2

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SHYM
Stock power: 150 HP

Related vehicles

Other vehicles built on the SHYM 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 SHYM?

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

Do you cover the SHYM ECU software on this model?

Yes — the MAZDA 3 on the SHYM 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.