MAZDA · SH4K ECU

MAZDA 6 SH4K tuning files

Everything we work with on the MAZDA 6 fitted with the SH4K. Across the matched variants stock power runs from 150 to 150 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

What we can run on the SH4K for this vehicle — the precise options narrow down by engine and software version.

Engine variants & ECU software

1 distinct variant for the MAZDA 6 on the SH4K ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
2200 150HP
Generation
2013-2018
Matched gains engine
2.2 Skyactiv-D 150
Controller brand
DENSO
ECU
SH4K
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

Related vehicles

Other vehicles built on the SH4K 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 SH4K?

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

Do you cover the SH4K ECU software on this model?

Yes — the MAZDA 6 on the SH4K 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.

MAZDA 6 SH4K ECU Tuning Files | TuningBay