Engine	Code	Files	ECU types
1.5 105hp		1	Hitachi M32R 1
1.5 105hp	EJ154	2	Hitachi M32R 2
1.5 107hp		1	Hitachi M32R 1
1.5 107hp	EL15	1	Hitachi M32R 1
1.5 81hp	EJ204	1	Hitachi M32R 1
1.6 110hp		2	Hitachi, type not listed 1, Denso DZ 1
1.6 95hp		2	Hitachi BED501 1, Hitachi, type not listed 1
1.6 95hp	EJ16	1	Hitachi, type not listed 1
2.0 135hp		2	Hitachi, type not listed 1, Hitachi BED501 1
2.0 135hp	EJ20E	1	Hitachi, type not listed 1
2.0 140hp		1	Denso SH72531 1
2.0 150hp		26	Denso SH7058 KS 9, Denso SH7059 DT 7, Denso SH7059 4, Denso DZ 3 +3
2.0 150hp	EJ257	1	Denso SH7058 GW 1
2.0 150hp	FB20	1	Denso DZ 1
2.0 158hp		1	Hitachi M32R 1
2.0 158hp	EJ204	1	Hitachi M32R 1
2.0 160hp		2	Denso SH7058 DM 2
2.0 16V TURBO MOD 97 0hp		1	Denso, type not listed 1
2.0 184hp		1	Denso SH7058 DM 1
2.0 218hp		1	Denso 68HC16Y5 1
2.0 218hp	EJ20	7	Denso 68HC16Y5 6, Hitachi 2C 1
2.0 224hp		1	Denso 68HC16Y5 1
2.0 224hp	EJ20	4	Denso 68HC16Y5 4
2.0 225hp		1	Denso SH7058 CJ 1
2.0 225hp	EJ20	1	Denso SH7058 CJ 1
2.0 230hp		5	Denso SH7058 CJ 3, Denso SH7058 GW 2
2.0 240hp		1	Denso SH7058 GW 1
2.0 250hp		2	Denso SH7058 CJ 2
2.0 265hp		3	Denso SH7058 GW 2, Denso 68HC16Y5 1
2.0 265hp	EJ20	10	Denso 68HC16Y5 8, Denso SH7058 GW 2
2.0 270hp		17	Hitachi SH72543 17
2.0 270hp	FA20DIT	5	Hitachi SH72543 5
2.0 280hp		3	Hitachi, type not listed 3
2.0 285hp		1	Denso SH7058 GW 1
2.0 285hp	EJ257	1	Denso SH7058 GW 1
2.0 290hp		2	Hitachi SH72543 2
2.0 290hp	FA20DIT	1	Hitachi SH72543 1
2.0 309hp		1	Denso SH7058 GW 1
2.0 320hp		1	Denso SH7058 GW 1
2.0 320hp	EJ20	1	Denso SH7058 GW 1
2.5 167hp	EJ251	1	Hitachi M32R 1
2.5 229hp		2	Denso SH7058 CJ 2
2.5 230hp		5	Denso SH7058 GW 3, Denso SH7058 2
2.5 260hp		1	Denso SH7058 GW 1
2.5 265hp		2	Denso SH7058 GW 2
2.5 265hp	EJ255	1	Denso SH7058 GW 1
2.5 280hp		2	Denso SH7058 GW 1, Denso SH7058 CJ 1
2.5 280hp	EJ257	4	Denso SH7058 CJ 4
2.5 290hp		2	Denso SH7058 CJ 2
2.5 290hp	EJ257	1	Denso SH7058 GW 1
2.5 300hp		5	Denso SH7058 GW 5
2.5 300hp	EJ20	1	Denso SH7058 GW 1
2.5 300hp	EJ25	2	Denso SH7058 GW 2
2.5 300hp	EJ257	6	Denso SH7058 GW 6
2.5 303hp		1	Denso SH7055 112300-0430 1
2.5 303hp	EJ257	1	Denso SH7055 112300-0430 1
2.5 305hp		6	Denso SH7058 GW 5, Denso SH7058 CJ 1
2.5 309hp		1	Denso SH7058 GW 1
2.5 309hp	EJ257	8	Denso SH7058 GW 7, Denso SH7058 1
2.5 310hp		5	Denso SH7058 GW 5
2.5 Turbo 309hp		1	Denso SH7058 GW 1
2.5 Turbo 309hp	EJ257	1	Denso SH7058 GW 1

Subaru Impreza by ECU type

All Subaru Impreza HW and SW numbers

16 HW numbers and 13 SW numbers, by ECU type. Beside each HW, how many SW versions it carries. A number opens a file that shows it.

Denso 68HC16Y5 5 HW · 2 SW

HW	SW versions
0000040006	no SW listed
0000551C00	no SW listed
11010656	no SW listed
112000-7546	no SW listed
280032003	no SW listed

Engine, no HW listed	SW versions
2.0 224hp	1 A4TE300D
2.0 265hp	1 A4RN200H

Denso SH7059 3 HW · 4 SW

HW	SW versions
K504ZN4D	1 T200JZ4A
K505ZN4D	2 N200JZ4A T210JZ4A
K507PE4E	1 T230JP4A

Denso SH7058 GW 1 HW · 3 SW

HW	SW versions
22765AB180	no SW listed

Engine, no HW listed	SW versions
2.0 240hp	1 AZ1G800D
2.5 300hp	2 AZ1G800S PF_08CYH4T

Denso SH7058 CJ 1 HW · 2 SW

HW	SW versions
112300-2170	no SW listed

Engine, no HW listed	SW versions
2.5 229hp	1 FAC55ACE
2.5 280hp	1 A8DK100Y

Denso SH7058 KS 2 HW · 0 SW

HW	SW versions
22611AP285	no SW listed
2758009473	no SW listed

Hitachi 0 HW · 2 SW

Engine, no HW listed	SW versions
2.0 280hp	2 1604690505 1A04440205

Denso SH7059 DT 1 HW · 0 SW

HW	SW versions
0277F	no SW listed

Hitachi 2C 1 HW · 0 SW

HW	SW versions
22611 AA810	no SW listed

Hitachi M32R 1 HW · 0 SW

HW	SW versions
22611AM780	no SW listed

Hitachi SH72543 1 HW · 0 SW

HW	SW versions
33920-82J2	no SW listed

Other Subaru models

Forester 172
Outback 95
Legacy 89
XV 43
Levorg 22
Liberty 22
Tribeca 12
WRX 12