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Denso SH1 original ECU files

Stock reads of the Denso SH1 for Mazda and more.

How Toyota and Lexus Denso ECU numbers work

Vehicles Identify the file Map packs All HW and SW numbers

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Denso SH1 files

50 files €18 each · card · by e-mail

Mazda 62.2 175hp

SWSH2K-18881-EUPGSH2K-188K2-E

Mazda 62.2 175hp

HWSH06-188K1-BSWSH2H-18881-J

Mazda 62.2 175hp · SH

HWSH05-18881-SSWSH05-188K2-S

Mazda 62.2 175hp

In stockMap pack · 31 maps

HWSH06-188K1-BSWSH06-18881-S

Mazda 62.2 175hp

HWSH13-188K1SWSH6X-18881-B

Mazda 62.2 175hp

In stockMap pack · 31 maps

HWSH5N-18881-CSWSH5N-188K2-C

Mazda 62.2 175hp

HWSH06-188K1-BSWSH06-18881-V

Mazda 62.2 Skyactiv-D 150hp

HWSH3A-18881-JSWSH3A-188K2-J

Mazda 62.2 Skyactiv-D 175hp

HWSH2K-18881-BSWSH2K-188K2-B

Mazda 62.2 Skyactiv-D 175hp

HWSH1X-18881-KSWSH1X-188K2-K

Mazda 62.2 Skyactiv-D 175hp

HWSH06-18881-MSWSH06-188K2-M

Mazda 62.2 Skyactiv-D 175hp

HWSH07-18881-LSWSH07-188K2-L

Mazda 62.2 Skyactiv-D 175hp

HWSH1X-18881-NSWSH1X-188K2-N

Mazda Atenza2.2 Skyactiv-D 175hp

HWSH07-18881-KSWSH07-188K2-K

Mazda Atenza2.2 Skyactiv-D 175hp

HWSH1X-18881-JSWSH06-188K1-B

Mazda Atenza2.2 Skyactiv-D 175hp

HWSH07-18881-GSWSH07-188K2-L

Mazda CX-52.0 150hp

HWSH1A-188K2-WSWSH1A-18881-W

Mazda CX-52.2 175hp

HWSH12-188K1SWSH7L-18881-B

Mazda CX-52.2 175hp

HWSH13-188K1SWSH7M-18881-B

Mazda CX-52.2 175hp

HWSH6P-18881-BSWSH6P-188K2-B

Mazda CX-52.2 150hp

HWSH01-188K1SWSH3G-18881-G

Mazda CX-52.2 150hp · SH-VPTS

HWSH12-188K1SWSH7G-18881-B

Mazda CX-52.2 150hp · SH-VPTS

HWSH01-188K1SWSH1A-18881-T

Mazda CX-52.2 150hp · SH-VPTS

HWSH3E-18881-JSWSH3E-188K2-J

Mazda CX-52.2 150hp

HWSH01-188K1SWSH3E-18881-K

Mazda CX-52.2 150hp

SWSHDG-188K2-CUPGSHDG-18881-C

Mazda CX-52.2 150hp

HWSH01-188K1SWSHYG-18881

Mazda CX-52.2 175hp

SWSH3G-18881-NUPGSH3G-188K2-N

Mazda CX-52.2 175hp

HWSH1K-18881-USWSH1K-188K2-U

Mazda CX-52.2 175hp · SH-VPTS

HWSH1A-188K2-WSWSH1J-18881-W

Mazda CX-52.2 SkyActiv-D 175hp · SH-VPTS

HWSH01-188K1SWSH3J-18881-F

Mazda CX-52.2 Skyactiv-D 150hp

HWSH01-188K1-ASWSH03-18881-N

Mazda CX-52.2 Skyactiv-D 150hp

HWSH01-188K1-ASWSH02-188K2-M

Mazda CX-52.2 Skyactiv-D 150hp

In stockMap pack · 27 maps

HWSH1A-18881-PSWSH1A-188K2-P

Mazda CX-52.2 Skyactiv-D 150hp

HWSH3P-18881-ASWSH3P-188K2-A

Mazda CX-52.2 Skyactiv-D 175hp

HWSH1M-18881-ESWSH1M-188K2-E

Mazda CX-52.2 Skyactiv-D 175hp

HWSH1K-18881-LSWSH1K-188K2-L

Mazda CX-52.2 Skyactiv-D 175hp

HWSH1M-18881-JSWSH1M-188K2-J

Mazda CX-52.2 Skyactiv-D 175hp

HWSH1K-18881-KSWSH1K-188K2-K

Mazda CX-52.2 Skyactiv-D 175hp

HWSH01-188K1SWSH1B-18881-R

Mazda CX-52.2 Skyactiv-D 175hp

HWSH3R-18881-BSWSH3R-188K2-B

Mazda CX-52.2 Skyactiv-D 175hp

HWSH3P-18881-DSWSH01-188K1-A

Mazda CX-52.2 Skyactiv-D 175hp · SH-VPTS

In stockMap pack · 26 maps

HWSH1K-188K2-SSWSH1K-18881-S

Mazda CX-52.2 Skyactiv-D 175hp

HWSH3R-18881-DSWSH3R-188K2-D

Mazda CX-52.2 Skyactiv-D 175hp

HWSH1K-18881-PSWSH1K-188K2-P

Mazda 62.2 175hp

Mazda 62.2 Skyactiv-D 150hp

Mazda CX-52.2 150hp

Mazda CX-52.2 175hp · SH-VPTS

Mazda CX-52.2 175hp

Vehicles with a Denso SH1

Denso SH1 files are listed for 1 make and 3 models, the most listed first.

Model	Engines	Files
Mazda		50
CX-5	2.2 Skyactiv-D 175hp 10, 2.2 175hp 8, 2.2 150hp 8, 2.2 Skyactiv-D 150hp 4, 2.0 150hp 1 +1	32
6	2.2 175hp 8, 2.2 Skyactiv-D 175hp 5, 2.2 Skyactiv-D 150hp 2	15
Atenza	2.2 Skyactiv-D 175hp 3	3

How to identify your Denso SH1 file

How the numbers on this ECU type start:

HW SH011… 8 of the 42 files with a HW number, 19%
HW SH1K1… 5 of the 42 files with a HW number, 12%
SW SH1K1… 5 of the 45 files with a SW number, 11%

A HW number alone does not pick the file: SH01-188K1 carries 6 SW versions here. Compare both numbers with your read.

Where do I find these numbers?

Denso SH1 map packs in figures

4 packs, 26 to 31 maps each, median 29.

All Denso SH1 HW and SW numbers

31 HW numbers and 44 SW numbers, by make. Beside each HW, how many SW versions it carries. A number opens a file that shows it.

Mazda 31 HW · 44 SW

HW	SW versions
SH01-188K1	6 SH1A-18881-T SH1B-18881-R SH3E-18881-K SH3G-18881-G SH3J-18881-F SHYG-18881
SH01-188K1-A	2 SH02-188K2-M SH03-18881-N
SH05-18881-S	1 SH05-188K2-S
SH06-18881-M	1 SH06-188K2-M
SH06-188K1-B	3 SH06-18881-S SH06-18881-V SH2H-18881-J
SH07-18881-G	1 SH07-188K2-L
SH07-18881-K	1 SH07-188K2-K
SH07-18881-L	1 SH07-188K2-L
SH12-188K1	2 SH7G-18881-B SH7L-18881-B
SH13-188K1	2 SH6X-18881-B SH7M-18881-B
SH1A-18881-P	1 SH1A-188K2-P
SH1A-188K2-W	2 SH1A-18881-W SH1J-18881-W
SH1K-18881-K	1 SH1K-188K2-K
SH1K-18881-L	1 SH1K-188K2-L
SH1K-18881-P	1 SH1K-188K2-P
SH1K-18881-U	1 SH1K-188K2-U
SH1K-188K2-S	1 SH1K-18881-S
SH1M-18881-E	1 SH1M-188K2-E
SH1M-18881-J	1 SH1M-188K2-J
SH1X-18881-J	1 SH06-188K1-B
SH1X-18881-K	1 SH1X-188K2-K
SH1X-18881-N	1 SH1X-188K2-N
SH2K-18881-B	1 SH2K-188K2-B
SH3A-18881-J	1 SH3A-188K2-J
SH3E-18881-J	1 SH3E-188K2-J
SH3P-18881-A	1 SH3P-188K2-A
SH3P-18881-D	1 SH01-188K1-A
SH3R-18881-B	1 SH3R-188K2-B
SH3R-18881-D	1 SH3R-188K2-D
SH5N-18881-C	1 SH5N-188K2-C
SH6P-18881-B	1 SH6P-188K2-B

Model, no HW listed	SW versions
6	1 SH2K-18881-E
CX-5	2 SH3G-18881-N SHDG-188K2-C