Home / Tuning / MAZDA / CX-3 / SH725X MAZDA · SH725X ECU
MAZDA CX-3 SH725X tuning files The MAZDA CX-3 on the SH725X, mapped from stock file to finished result. The matched variants sit between 105 and 163 HP from the factory. 68 distinct variants are catalogued here. We start conservative here — Stage 1 and Stage 2 are the dependable baseline. We match the right calibration to your exact software and validate it before delivery.
Available solutions What we can run on the SH725X for this vehicle — the precise options narrow down by engine and software version.
Engine variants & ECU software 68 distinct variants for the MAZDA CX-3 on the SH725X ECU. Reference the engine and controller software when you upload.
Variant 1 ECU
Catalog engine 2000 163HP
Generation 2007-2013
Matched gains engine 2.2 CDVI 163
Controller brand DENSO
ECU SH725X
Stock power 163 HP
Stage 1 power 205 HP
Power increase +42 HP (+26%)
Stock torque 400 Nm
Stage 1 torque 460 Nm
Torque increase +60 Nm (+15%)
ECU SW P51K-18881-E
SW upgrade P51K-188K2-E
Calibration P51K-18881-E_P51K-188K2-E
Variant 2 ECU
Catalog engine 2000 163HP
Generation 2007-2013
Matched gains engine 2.2 CDVI 163
Controller brand DENSO
ECU SH725X
Stock power 163 HP
Stage 1 power 205 HP
Power increase +42 HP (+26%)
Stock torque 400 Nm
Stage 1 torque 460 Nm
Torque increase +60 Nm (+15%)
ECU SW PETC-18881-B
SW upgrade PETC-188K2-B
Calibration PETC-18881-B_PETC-188K2-B
Variant 3 ECU
Catalog engine 2000 163HP
Generation 2007-2013
Matched gains engine 2.2 CDVI 163
Controller brand DENSO
ECU SH725X
Stock power 163 HP
Stage 1 power 205 HP
Power increase +42 HP (+26%)
Stock torque 400 Nm
Stage 1 torque 460 Nm
Torque increase +60 Nm (+15%)
ECU SW PS5E-18881-
SW upgrade PS5E-188K2-
Calibration PS5E-18881-_PS5E-188K2-
Variant 4 ECU
Catalog engine 2000 163HP
Generation 2007-2013
Matched gains engine 2.2 CDVI 163
Controller brand DENSO
ECU SH725X
Stock power 163 HP
Stage 1 power 205 HP
Power increase +42 HP (+26%)
Stock torque 400 Nm
Stage 1 torque 460 Nm
Torque increase +60 Nm (+15%)
ECU SW PYHB-18881-
SW upgrade PYHB-188K2-
Calibration PYHB-18881-_PYHB-188K2-
Variant 5 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW PSP1-18881-D
SW upgrade PSP1-188K2-D
Calibration PSP1-18881-D_PSP1-188K2-D
Variant 6 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW PEC7-18881-B
SW upgrade PEC7-188K2-B
Calibration PEC7-18881-B_PEC7-188K2-B
Variant 7 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW PSCN-18881-B
SW upgrade PSCN-188K2-B
Calibration PSCN-18881-B_PSCN-188K2-B
Variant 8 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW PSM5-18881-D
SW upgrade PSM5-188K2-D
Calibration PSM5-18881-D_PSM5-188K2-D
Variant 9 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW P5CS-18881-G
SW upgrade P5CS-188K2-G
Calibration P5CS-18881-G_P5CS-188K2-G
Variant 10 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW PS5W-18881-C
SW upgrade PS5W-188K2-C
Calibration PS5W-18881-C_PS5W-188K2-C
Variant 11 ECU
Catalog engine 2000 150HP
Controller brand DENSO
ECU SH725X
Stock power 150 HP
ECU SW PSNW-18881-B
SW upgrade PSNW-188K2-B
Calibration PSNW-18881-B_PSNW-188K2-B
Variant 12 ECU
Catalog engine 2000 120HP
Controller brand DENSO
ECU SH725X
Stock power 120 HP
ECU SW PSDS-18881-B
SW upgrade PSDS-188K2-B
Calibration PSDS-18881-B_PSDS-188K2-B
Variant 13 ECU
Catalog engine 2000 120HP
Controller brand DENSO
ECU SH725X
Stock power 120 HP
ECU SW PEVJ-18881-B
SW upgrade PEVJ-188K2-B
Calibration PEVJ-18881-B_PEVJ-188K2-B
Variant 14 ECU
Catalog engine 2000 120HP
Controller brand DENSO
ECU SH725X
Stock power 120 HP
ECU SW PSFR-18881-B
SW upgrade PSFR-188K2-B
Calibration PSFR-18881-B_PSFR-188K2-B
Variant 15 ECU
Catalog engine 2000 120HP
Controller brand DENSO
ECU SH725X
Stock power 120 HP
ECU SW P59D-18881-A
SW upgrade P5NP-188K2-A
Calibration P59D-18881-A_P5NP-188K2-A
Variant 16 ECU
Catalog engine 2000 120HP
Controller brand DENSO
ECU SH725X
Stock power 120 HP
ECU SW PSPV-18881-A
SW upgrade PSPV-188K2-A
Calibration PSPV-18881-A_PSPV-188K2-A
Variant 17 ECU
Catalog engine 2000 120HP
Controller brand DENSO
ECU SH725X
Stock power 120 HP
ECU SW PALS-18881-B
SW upgrade PALS-188K2-B
Calibration PALS-18881-B_PALS-188K2-B
Variant 18 ECU
Catalog engine 1500 110HP
Controller brand DENSO
ECU SH725X
Stock power 110 HP
ECU SW S55E-18881-F
SW upgrade S55E-188K2-F
Calibration S55E-18881-F_S55E-188K2-F
Variant 19 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S5C4-18881-C
SW upgrade S5C4-188K2-C
Calibration S5C4-18881-C_S5C4-188K2-C
Variant 20 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S553-18881-R
SW upgrade S553-188K2-R
Calibration S553-18881-R_S553-188K2-R
Variant 21 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52L-18881-G
SW upgrade S52L-188K2-G
Calibration S52L-18881-G_S52L-188K2-G
Variant 22 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54V-18881-D
SW upgrade S54V-188K2-D
Calibration S54V-18881-D_S54V-188K2-D
Variant 23 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56E-18881-D
SW upgrade S56E-188K2-D
Calibration S56E-18881-D_S56E-188K2-D
Variant 24 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56V-18881-C
SW upgrade S56V-188K2-C
Calibration S56V-18881-C_S56V-188K2-C
Variant 25 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54T-18881-D
SW upgrade S54T-188K2-D
Calibration S54T-18881-D_S54T-188K2-D
Variant 26 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S552-18881-
SW upgrade S56E-188K2-C
Calibration S552-18881-_S56E-188K2-C
Variant 27 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S57W-18881-B
SW upgrade S57W-188K2-B
Calibration S57W-18881-B_S57W-188K2-B
Variant 28 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52L-18881-E
SW upgrade S52L-188K2-E
Calibration S52L-18881-E_S52L-188K2-E
Variant 29 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52J-18881-G
SW upgrade S52J-188K2-G
Calibration S52J-18881-G_S52J-188K2-G
Variant 30 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56H-18881-C
SW upgrade S56H-188K2-C
Calibration S56H-18881-C_S56H-188K2-C
Variant 31 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S53C-18881-H
SW upgrade S53C-188K2-H
Calibration S53C-18881-H_S53C-188K2-H
Variant 32 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52C-18881-J
SW upgrade S52C-188K2-J
Calibration S52C-18881-J_S52C-188K2-J
Variant 33 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54C-18881-E
SW upgrade S54C-188K2-E
Calibration S54C-18881-E_S54C-188K2-E
Variant 34 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S5C4-18881-D
SW upgrade S5C4-188K2-D
Calibration S5C4-18881-D_S5C4-188K2-D
Variant 35 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56E-18881-C
SW upgrade S56E-188K2-C
Calibration S56E-18881-C_S56E-188K2-C
Variant 36 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S552-18881-
SW upgrade S56F-188K2-C
Calibration S552-18881-_S56F-188K2-C
Variant 37 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52M-18881-F
SW upgrade S52M-188K2-F
Calibration S52M-18881-F_S52M-188K2-F
Variant 38 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S51X-18881-J
SW upgrade S51X-188K2-J
Calibration S51X-18881-J_S51X-188K2-J
Variant 39 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56G-18881-D
SW upgrade S56G-188K2-D
Calibration S56G-18881-D_S56G-188K2-D
Variant 40 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54M-18881-F
SW upgrade S54M-188K2-F
Calibration S54M-18881-F_S54M-188K2-F
Variant 41 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56H-18881-D
SW upgrade S56H-188K2-D
Calibration S56H-18881-D_S56H-188K2-D
Variant 42 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S55W-18881-A
SW upgrade S55W-188K2-A
Calibration S55W-18881-A_S55W-188K2-A
Variant 43 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52J-18881-D
SW upgrade S52J-188K2-D
Calibration S52J-18881-D_S52J-188K2-D
Variant 44 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S56F-18881-C
SW upgrade S56F-188K2-C
Calibration S56F-18881-C_S56F-188K2-C
Variant 45 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S552-18881-
SW upgrade S52J-188K2-F
Calibration S552-18881-_S52J-188K2-F
Variant 46 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52J-18881-F
SW upgrade S52J-188K2-F
Calibration S52J-18881-F_S52J-188K2-F
Variant 47 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54J-18881-G
SW upgrade S54J-188K2-G
Calibration S54J-18881-G_S54J-188K2-G
Variant 48 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S51X-18881-L
SW upgrade S51X-188K2-L
Calibration S51X-18881-L_S51X-188K2-L
Variant 49 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S51X-18881-K
SW upgrade S51X-188K2-K
Calibration S51X-18881-K_S51X-188K2-K
Variant 50 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54J-18881-H
SW upgrade S54J-188K2-H
Calibration S54J-18881-H_S54J-188K2-H
Variant 51 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S55M-18881-D
SW upgrade S55M-188K2-D
Calibration S55M-18881-D_S55M-188K2-D
Variant 52 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54P-18881-F
SW upgrade S54P-188K2-F
Calibration S54P-18881-F_S54P-188K2-F
Variant 53 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S565-18881-E
SW upgrade S565-188K2-E
Calibration S565-18881-E_S565-188K2-E
Variant 54 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52A-18881-K
SW upgrade S52A-188K2-K
Calibration S52A-18881-K_S52A-188K2-K
Variant 55 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S53L-18881-E
SW upgrade S53L-188K2-E
Calibration S53L-18881-E_S53L-188K2-E
Variant 56 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54C-18881-F
SW upgrade S54C-188K2-F
Calibration S54C-18881-F_S54C-188K2-F
Variant 57 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S51F-18881-E
SW upgrade S51F-188K2-E
Calibration S51F-18881-E_S51F-188K2-E
Variant 58 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S552-18881-K
SW upgrade S552-188K2-K
Calibration S552-18881-K_S552-188K2-K
Variant 59 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54J-18881-J
SW upgrade S54J-188K2-J
Calibration S54J-18881-J_S54J-188K2-J
Variant 60 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52B-18881-J
SW upgrade S52B-188K2-J
Calibration S52B-18881-J_S52B-188K2-J
Variant 61 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S55M-18881-C
SW upgrade S55M-188K2-C
Calibration S55M-18881-C_S55M-188K2-C
Variant 62 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52A-18881-L
SW upgrade S52A-188K2-L
Calibration S52A-18881-L_S52A-188K2-L
Variant 63 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52E-18881-E
SW upgrade S52E-188K2-E
Calibration S52E-18881-E_S52E-188K2-E
Variant 64 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54M-18881-E
SW upgrade S54M-188K2-E
Calibration S54M-18881-E_S54M-188K2-E
Variant 65 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S553-18881-
SW upgrade S54T-188K2-D
Calibration S553-18881-_S54T-188K2-D
Variant 66 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S565-18881-F
SW upgrade S565-188K2-F
Calibration S565-18881-F_S565-188K2-F
Variant 67 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S52M-18881-D
SW upgrade S52M-188K2-D
Calibration S52M-18881-D_S52M-188K2-D
Variant 68 ECU
Catalog engine 1500 105HP
Controller brand DENSO
ECU SH725X
Stock power 105 HP
ECU SW S54B-18881-D
SW upgrade S54B-188K2-D
Calibration S54B-18881-D_S54B-188K2-D 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 CX-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 CX-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.