MAZDA · SH12 ECU

MAZDA 6 SH12 tuning files

Here is what the catalog holds for the MAZDA 6 on the SH12. Stock output across the matched variants spans 150–175 HP. For this platform the dependable path begins with Stage 1 and Stage 2. 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 SH12 on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

6 distinct variants for the MAZDA 6 on the SH12 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2200 175HP
Generation: 2013-2018
Matched gains engine: 2.2 Skyactiv-D 175
Controller brand: DENSO
ECU: SH12
Stock power: 175 HP
Stage 1 power: 210 HP
Power increase: +35 HP (+20%)
Stock torque: 420 Nm
Stage 1 torque: 480 Nm
Torque increase: +60 Nm (+14%)

Variant 2

ECU

Catalog engine: 2200 150HP
Generation: 2013-2018
Matched gains engine: 2.2 Skyactiv-D 150
Controller brand: DENSO
ECU: SH12
Stock power: 150 HP
Stage 1 power: 210 HP
Power increase: +60 HP (+40%)
Stock torque: 380 Nm
Stage 1 torque: 480 Nm
Torque increase: +100 Nm (+26%)

Variant 3

ECU

Catalog engine: 2200 150HP
Generation: 2013-2018
Matched gains engine: 2.2 Skyactiv-D 150
Controller brand: DENSO
ECU: SH12
Stock power: 150 HP
Stage 1 power: 210 HP
Power increase: +60 HP (+40%)
Stock torque: 380 Nm
Stage 1 torque: 480 Nm
Torque increase: +100 Nm (+26%)
ECU SW: SH7E-18881-F
ECU HW: SH14-188K1-
SW upgrade: SH7E-188K2-F

Variant 4

ECU

Catalog engine: 2200 150HP
Generation: 2013-2018
Matched gains engine: 2.2 Skyactiv-D 150
Controller brand: DENSO
ECU: SH12
Stock power: 150 HP
Stage 1 power: 210 HP
Power increase: +60 HP (+40%)
Stock torque: 380 Nm
Stage 1 torque: 480 Nm
Torque increase: +100 Nm (+26%)
ECU SW: SH5L-18881-C
ECU HW: SH14-188K1-
SW upgrade: SH5L-188K2-C

Variant 5

ECU

Catalog engine: 2200 150HP
Generation: 2013-2018
Matched gains engine: 2.2 Skyactiv-D 150
Controller brand: DENSO
ECU: SH12
Stock power: 150 HP
Stage 1 power: 210 HP
Power increase: +60 HP (+40%)
Stock torque: 380 Nm
Stage 1 torque: 480 Nm
Torque increase: +100 Nm (+26%)
ECU SW: SH1S-18881-R
ECU HW: SH14-188K1-
SW upgrade: SH1S-188K2-R

Variant 6

ECU

Catalog engine: 2200 150HP
Generation: 2013-2018
Matched gains engine: 2.2 Skyactiv-D 150
Controller brand: DENSO
ECU: SH12
Stock power: 150 HP
Stage 1 power: 210 HP
Power increase: +60 HP (+40%)
Stock torque: 380 Nm
Stage 1 torque: 480 Nm
Torque increase: +100 Nm (+26%)
ECU SW: SH4K-18881-C
ECU HW: SH06-188K1-B
SW upgrade: SH4K-188K2-C

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 6 on the SH12?

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

Do you cover the SH12 ECU software on this model?

Yes — the MAZDA 6 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.