SUBARU · SH27531 ECU

SUBARU LIBERTY SH27531 tuning files

The SUBARU LIBERTY on the SH27531, mapped from stock file to finished result. The matched variants sit between 170 and 170 HP from the factory. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. Your file is built against the exact ECU software on the car, then operator-verified.

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Available solutions

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

Stage 1 Stage 2

Engine variants & ECU software

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

Variant 1

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1L410f
Calibration: EA1L410f

Variant 2

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1M511A
Calibration: EA1M511A

Variant 3

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1M702A
Calibration: EA1M702A

Variant 4

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1M500B
Calibration: EA1M500B

Variant 5

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1P100f
Calibration: EA1P100f

Variant 6

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1L210r
Calibration: EA1L210r

Variant 7

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1T400X
Calibration: EA1T400X

Variant 8

ECU

Catalog engine: 2500 170HP
Generation: 2015-
Matched gains engine: 1.6 Turbo 170
Controller brand: DENSO
ECU: SH27531
Stock power: 170 HP
Stage 1 power: 190 HP
Power increase: +20 HP (+12%)
Stock torque: 250 Nm
Stage 1 torque: 300 Nm
Torque increase: +50 Nm (+20%)
SW upgrade: EA1P300d
Calibration: EA1P300d

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 LIBERTY 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 LIBERTY 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.