SUBARU · SH27531 ECU

SUBARU BRZ SH27531 tuning files

Everything we work with on the SUBARU BRZ fitted with the SH27531. Across the matched variants stock power runs from 200 to 200 HP. There are 4 distinct variants on file for this combination. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Every file is matched to the exact calibration on your vehicle and signed off by an operator.

Available solutions

Solutions that apply to the SH27531 on this vehicle platform. The exact set depends on the specific engine and software version.

Engine variants & ECU software

4 distinct variants for the SUBARU BRZ on the SH27531 ECU. Reference the engine and controller software when you upload.

Variant 1

ECU
Catalog engine
2000 200HP
Generation
2012-
Matched gains engine
20i 200
Controller brand
DENSO
ECU
SH27531
Stock power
200 HP
Stage 1 power
215 HP
Power increase
+15 HP (+8%)
Stock torque
205 Nm
Stage 1 torque
220 Nm
Torque increase
+15 Nm (+7%)
SW upgrade
ZA1JK01I
Calibration
ZA1JK01I

Variant 2

ECU
Catalog engine
2000 200HP
Generation
2012-
Matched gains engine
20i 200
Controller brand
DENSO
ECU
SH27531
Stock power
200 HP
Stage 1 power
215 HP
Power increase
+15 HP (+8%)
Stock torque
205 Nm
Stage 1 torque
220 Nm
Torque increase
+15 Nm (+7%)
SW upgrade
ZA1JA01J
Calibration
ZA1JA01J

Variant 3

ECU
Catalog engine
2000 200HP
Generation
2012-
Matched gains engine
20i 200
Controller brand
DENSO
ECU
SH27531
Stock power
200 HP
Stage 1 power
215 HP
Power increase
+15 HP (+8%)
Stock torque
205 Nm
Stage 1 torque
220 Nm
Torque increase
+15 Nm (+7%)
SW upgrade
ZA1JA02K
Calibration
ZA1JA02K

Variant 4

ECU
Catalog engine
2000 200HP
Generation
2012-
Matched gains engine
20i 200
Controller brand
DENSO
ECU
SH27531
Stock power
200 HP
Stage 1 power
215 HP
Power increase
+15 HP (+8%)
Stock torque
205 Nm
Stage 1 torque
220 Nm
Torque increase
+15 Nm (+7%)
SW upgrade
ZA1JB01C
Calibration
ZA1JB01C

Related vehicles

Other vehicles built on the SH27531 controller or the same engine — handy when a platform spans several models and makes.

Questions, answered.

Which tuning solutions are available for the SUBARU BRZ on the SH27531?

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

Do you cover the SH27531 ECU software on this model?

Yes — the SUBARU BRZ on the SH27531 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.

SUBARU BRZ SH27531 ECU Tuning Files | TuningBay