MAZDA · SH725X ECU

MAZDA 3 SH725X tuning files

The MAZDA 3 on the SH725X, mapped from stock file to finished result. Stock output across the matched variants spans 106–175 HP. There are 38 distinct variants on file for this combination. 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.

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Available solutions

Solutions that apply to the SH725X on this vehicle platform. The exact set depends on the specific engine and software version.

Stage 1 Stage 2

Engine variants & ECU software

38 distinct variants for the MAZDA 3 on the SH725X ECU. Reference the engine and controller software when you upload.

Variant 1

ECU

Catalog engine: 2500 175HP
Controller brand: DENSO
ECU: SH725X
Stock power: 175 HP
ECU SW: P5HL-18881-C
SW upgrade: P5HL-188K2-C
Calibration: P5HL-18881-C_P5HL-188K2-C

Variant 2

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: P5DL-18881-F
SW upgrade: P5DL-188K2-F
Calibration: P5DL-18881-F_P5DL-188K2-F

Variant 3

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: P5BH-18881-C
SW upgrade: P5BH-188K2-C
Calibration: P5BH-18881-C_P5BH-188K2-C

Variant 4

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: PS89-18881-D
SW upgrade: PS89-188K2-D
Calibration: PS89-18881-D_PS89-188K2-D

Variant 5

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: P5CS-18881-F
SW upgrade: P5CS-188K2-F
Calibration: P5CS-18881-F_P5CS-188K2-F

Variant 6

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: PETG-18881-A
SW upgrade: PETG-188K2-A
Calibration: PETG-18881-A_PETG-188K2-A

Variant 7

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: PS22-18881-F
SW upgrade: PS22-188K2-F
Calibration: PS22-18881-F_PS22-188K2-F

Variant 8

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: PS1E-18881-B
SW upgrade: PS1E-188K2-B
Calibration: PS1E-18881-B_PS1E-188K2-B

Variant 9

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: PSDS-18881-A
SW upgrade: PSDS-188K2-A
Calibration: PSDS-18881-A_PSDS-188K2-A

Variant 10

ECU

Catalog engine: 2000 165HP
Controller brand: DENSO
ECU: SH725X
Stock power: 165 HP
ECU SW: P5GH-18881-B
SW upgrade: P5GH-188K2-B
Calibration: P5GH-18881-B_P5GH-188K2-B

Variant 11

ECU

Catalog engine: 2000 163HP
Controller brand: DENSO
ECU: SH725X
Stock power: 163 HP
ECU SW: PEHE-18881-E
SW upgrade: PEHE-188K2-E
Calibration: PEHE-18881-E_PEHE-188K2-E

Variant 12

ECU

Catalog engine: 2000 163HP
Controller brand: DENSO
ECU: SH725X
Stock power: 163 HP
ECU SW: PETC-18881-A
SW upgrade: PETC-188K2-A
Calibration: PETC-18881-A_PETC-188K2-A

Variant 13

ECU

Catalog engine: 2000 163HP
Controller brand: DENSO
ECU: SH725X
Stock power: 163 HP
ECU SW: PSS4-18881-B
SW upgrade: PSS4-188K2-B
Calibration: PSS4-18881-B_PSS4-188K2-B

Variant 14

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PYLC-18881-C
SW upgrade: PYLC-188K2-C
Calibration: PYLC-18881-C_PYLC-188K2-C

Variant 15

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PS8C-18881-C
SW upgrade: PS8C-188K2-C
Calibration: PS8C-18881-C_PS8C-188K2-C

Variant 16

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PSBK-18881-C
SW upgrade: PSBK-188K2-C
Calibration: PSBK-18881-C_PSBK-188K2-C

Variant 17

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PS96-18881-D
SW upgrade: PS96-188K2-D
Calibration: PS96-18881-D_PS96-188K2-D

Variant 18

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PETX-18881-A
SW upgrade: PETX-188K2-A
Calibration: PETX-18881-A_PETX-188K2-A

Variant 19

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PSAV-18881-A
SW upgrade: PSAV-188K2-A
Calibration: PSAV-18881-A_PSAV-188K2-A

Variant 20

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PS7J-18881-B
SW upgrade: PS7J-188K2-B
Calibration: PS7J-18881-B_PS7J-188K2-B

Variant 21

ECU

Catalog engine: 2000 160HP
Controller brand: DENSO
ECU: SH725X
Stock power: 160 HP
ECU SW: PS8H-18881-A
SW upgrade: PS8H-188K2-A
Calibration: PS8H-18881-A_PS8H-188K2-A

Variant 22

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SH725X
Stock power: 150 HP
ECU SW: SHAJ-18881-D
SW upgrade: SHAJ-188K2-D
Calibration: SHAJ-18881-D_SHAJ-188K2-D

Variant 23

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SH725X
Stock power: 150 HP
ECU SW: SH8E-18881-B
SW upgrade: SH8E-188K2-B
Calibration: SH8E-18881-B_SH8E-188K2-B

Variant 24

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SH725X
Stock power: 150 HP
ECU SW: SH7M-18881-J
SW upgrade: SH7M-188K2-J
Calibration: SH7M-18881-J_SH7M-188K2-J

Variant 25

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SH725X
Stock power: 150 HP
ECU SW: SHAP-18881-E
SW upgrade: SHAP-188K2-E
Calibration: SHAP-18881-E_SHAP-188K2-E

Variant 26

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SH725X
Stock power: 150 HP
ECU SW: SH7L-18881-C
SW upgrade: SH7L-188K2-C
Calibration: SH7L-18881-C_SH7L-188K2-C

Variant 27

ECU

Catalog engine: 2200 150HP
Controller brand: DENSO
ECU: SH725X
Stock power: 150 HP
ECU SW: SH7G-18881-J
SW upgrade: SH7G-188K2-J
Calibration: SH7G-18881-J_SH7G-188K2-J

Variant 28

ECU

Catalog engine: 1500 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: PEMF-18881-
SW upgrade: PEMF-188K2-C
Calibration: PEMF-18881-_PEMF-188K2-C

Variant 29

ECU

Catalog engine: 1500 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: PSG5-18881-A
SW upgrade: PSG5-188K2-A
Calibration: PSG5-18881-A_PSG5-188K2-A

Variant 30

ECU

Catalog engine: 1500 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: PEHE-18881-A
SW upgrade: PEHE-188K2-A
Calibration: PEHE-18881-A_PEHE-188K2-A

Variant 31

ECU

Catalog engine: 1500 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: P5BG-18881-B
SW upgrade: P5BG-188K2-B
Calibration: P5BG-18881-B_P5BG-188K2-B

Variant 32

ECU

Catalog engine: 1500 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: PYHJ-18881-
SW upgrade: PYHJ-188K2-
Calibration: PYHJ-18881-_PYHJ-188K2-

Variant 33

ECU

Catalog engine: 1500 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: PSG5-18881-B
SW upgrade: PSG5-188K2-B
Calibration: PSG5-18881-B_PSG5-188K2-B

Variant 34

ECU

Catalog engine: 2000 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: P51J-18881-B
SW upgrade: P51J-188K2-B
Calibration: P51J-18881-B_P51J-188K2-B

Variant 35

ECU

Catalog engine: 2000 120HP
Controller brand: DENSO
ECU: SH725X
Stock power: 120 HP
ECU SW: PEHE-18881-A
SW upgrade: PEHE-188K2-A
Calibration: PEHE-18881-A_PEHE-188K2-A

Variant 36

ECU

Catalog engine: 1500 106HP
Controller brand: DENSO
ECU: SH725X
Stock power: 106 HP
ECU SW: PEGS-18881-
SW upgrade: PEGX-188K2-A
Calibration: PEGS-18881-_PEGX-188K2-A

Variant 37

ECU

Catalog engine: 1500 106HP
Controller brand: DENSO
ECU: SH725X
Stock power: 106 HP
ECU SW: PEJM-18881-A
SW upgrade: PEJM-188K2-A
Calibration: PEJM-18881-A_PEJM-188K2-A

Variant 38

ECU

Catalog engine: 1500 106HP
Controller brand: DENSO
ECU: SH725X
Stock power: 106 HP
ECU SW: P51L-18881-B
SW upgrade: P51L-188K2-B
Calibration: P51L-18881-B_P51L-188K2-B

Related vehicles

Other vehicles built on the SH725X 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 SH725X?

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

Do you cover the SH725X ECU software on this model?

Yes — the MAZDA 3 on the SH725X 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.