List of known Subaru ECU types. This list is not complete and is made up mostly of JDM Legacy Turbo models, but additional information will be added if and when it becomes available. Vehicles are General and European Market unless otherwise shown as JDM (Japanese Domestic Market) or USDM (United States Domestic Market).
| Model | | Engine | Gearbox | ECU |
Subaru Legacy (First Generation) Sedan (BC) | ||||
| JDM (RHD) Revision A (Series 1) | ||||
|---|---|---|---|---|
| BC5A44E | Legacy TZ | EJ20D | E-4AT | AA880 |
| BC5A44E | Legacy TZ | EJ20D | E-4AT | AA880 |
| BC5A44F | Legacy TZ | EJ20D | 5MT | AA880 |
| BC5A44F | Legacy TZ | EJ20D | 5MT | AA880 |
| BC5A46E | Legacy VZ | EJ20D | E-4AT | AA880 |
| BC5A46E | Legacy VZ | EJ20D | E-4AT | AA880 |
| BC5A46F | Legacy VZ | EJ20D | 5MT | AA880 |
| BC5A46F | Legacy VZ | EJ20D | 5MT | AA880 |
| BC5A48D | Legacy RS | EJ20G | 5MT | AA600 |
| BC5A48D | Legacy RS | EJ20G | 5MT | AA600 |
| BC5A49P | Legacy GT | EJ20G | E-4AT | AA740 |
| BC5A49P | Legacy GT | EJ20G | E-4AT | AA740 |
| JDM (RHD) Revision B (Series 1) | ||||
| BC5B44E | Legacy TZ | EJ20D | E-4AT | AA880 |
| BC5B44E | Legacy TZ | EJ20D | E-4AT | AA880 |
| BC5B44F | Legacy TZ | EJ20D | 5MT | AA880 |
| BC5B48D | Legacy RS | EJ20G | 5MT | AA600 |
| BC5B48D | Legacy RS | EJ20G | 5MT | AA600 |
| BC5B49P | Legacy GT | EJ20G | E-4AT | AA740 |
| BC5B49P | Legacy GT | EJ20G | E-4AT | AA740 |
| JDM (RHD) Revision C (Series 2) | ||||
| BC5C48D | Legacy RS | EJ20G | 5MT | AA600 |
| BC5C48D | Legacy RS | EJ20G | 5MT | AA600 |
| JDM (RHD) Revision D (Series 2) | ||||
| BC5D48D | Legacy RS | EJ20G | 5MT | AA600 |
Subaru Legacy (First Generation) Touring Wagon (BF) | ||||
| JDM (RHD) Revision A (Series 1) | ||||
| BF5A44E | Legacy TZ | EJ20D | E-4AT | AA880 |
| BF5A44F | Legacy TZ | EJ20D | 5MT | AA880 |
| BF5A44F | Legacy TZ | EJ20D | 5MT | AA880 |
| BF5A46E | Legacy VZ | EJ20D | E-4AT | AA880 |
| BF5A46F | Legacy VZ | EJ20D | 5MT | AA880 |
| BF5A46F | Legacy VZ | EJ20D | 5MT | AA880 |
| BF5A49D | Legacy GT | EJ20G | 5MT | AA740 |
| BF5A49D | Legacy GT | EJ20G | 5MT | AA740 |
| BF5A49P | Legacy GT | EJ20G | E-4AT | AA740 |
| BF5A49P | Legacy GT | EJ20G | E-4AT | AA740 |
| JDM (RHD) Revision B (Series 1) | ||||
| BF5B49D | Legacy GT | EJ20G | 5MT | AA740 |
| BF5B49P | Legacy GT | EJ20G | E-4AT | AA740 |
| BF5B49P | Legacy GT | EJ20G | E-4AT | AA740 |
| JDM (RHD) Revision C (Series 2) | ||||
| BF5C49P | Legacy GT | EJ20G | E-4AT | AA910 |
| BF5C49P | Legacy GT | EJ20G | E-4AT | AA910 |
| BF5C49P | Legacy GT-X | EJ20G | E-4AT | AA910 |
Subaru Legacy (Second Generation) Sedan (BD) | ||||
| JDM (RHD) Revision A | ||||
| BD5A48D | Legacy RS | EJ20H | 5MT | R6, 7C |
| BD5A48D | Legacy RS | EJ20H | 5MT | R6, 7C |
| BD5A48D | Legacy RS | EJ20H | 5MT | R6, 7C |
| BD5A48P | Legacy RS | EJ20H | E-4AT | T5, 8C |
| BD5A48P | Legacy RS | EJ20H | E-4AT | T5, 8C |
| BD5A48P | Legacy RS | EJ20H | E-4AT | T5, 8C |
| JDM (RHD) Revision B | ||||
| BD5B48D | Legacy RS | EJ20R | 5MT | 4G |
| BD5B48D | Legacy RS | EJ20R | 5MT | 4G |
| BD5B48P | Legacy RS | EJ20H | E-4AT | 9H |
| BD5B48P | Legacy RS | EJ20H | E-4AT | 9H |
| BD5B49P | Legacy GT | EJ20H | E-4AT | 9H |
| BD5B49P | Legacy GT | EJ20H | E-4AT | 9H |
| JDM (RHD) Revision C | ||||
| BD5C48D | Legacy RS | EJ20R | 5MT | 87 |
| BD5C48P | Legacy RS | EJ20H | E-4AT | 87 |
| BD5C49P | Legacy GT | EJ20H | E-4AT | 87 |
| BD5C49P | Legacy GT | EJ20H | E-4AT | 87 |
| European (RHD) Revision B | ||||
| BD5BK4J | Legacy 2.0 GLS AWD | EJ20E | 5MT | T8 |
Subaru Legacy (Second Generation) Touring Wagon (BG) | ||||
| JDM (RHD) Revision A | ||||
| BG5A59D | Legacy GT | EJ20H | 5MT | R6, 7C |
| BG5A59D | Legacy GT | EJ20H | 5MT | R6, 7C |
| BG5A59D | Legacy GT/B-spec | EJ20H | 5MT | R6, 7C |
| BG5A59D | Legacy GT/B-spec | EJ20H | 5MT | R6, 7C |
| BG5A59D | Legacy GT/B-spec II | EJ20H | 5MT | R6, 7C |
| BG5A59D | Legacy GT/V-Limited | EJ20H | 5MT | R6, 7C |
| BG5A59P | Legacy GT | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/B-spec | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/B-spec | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/B-spec II | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/E-spec | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/E-spec | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/E-spec | EJ20H | E-4AT | T5, 8C |
| BG5A59P | Legacy GT/V-Limited | EJ20H | E-4AT | T5, 8C |
| BG9A5AE | Legacy 250T | EJ25D | E-4AT | U9 |
| BG9A5AE | Legacy 250T | EJ25D | E-4AT | U9 |
| BG9A5AE | Legacy 250T | EJ25D | E-4AT | U9 |
| BG9A5AE | Legacy 250T-G | EJ25D | E-4AT | U9 |
| BG9A5AE | Legacy 250T-G | EJ25D | E-4AT | U9 |
| BG9A5AE | Legacy 250T-G | EJ25D | E-4AT | U9 |
| BG9A5AE | Legacy 250T-V | EJ25D | E-4AT | U9 |
| BG9A5BE | Legacy Grand Wagon | EJ25D | E-4AT | U9? |
| BG9A5BE | Legacy Grand Wagon | EJ25D | E-4AT | U9? |
| JDM (RHD) Revision B | ||||
| BG5B59D | Legacy GT | EJ20H | 5MT | 5G |
| BG5B59D | Legacy GT V-Limited | EJ20H | 5MT | 5G |
| BG5B59P | Legacy GT | EJ20H | E-4AT | 9H |
| BG5B59P | Legacy GT | EJ20H | E-4AT | 9H |
| BG5B59P | Legacy GT V-Limited | EJ20H | E-4AT | 9H |
| BG5B5CD | Legacy GT-B | EJ20R | 5MT | 4G |
| BG5B5CD | Legacy GT-B | EJ20R | 5MT | 4G |
| BG5B5CP | Legacy GT-B | EJ20H | E-4AT | 9H |
| BG5B5CP | Legacy GT-B | EJ20H | E-4AT | 9H |
| JDM (RHD) Revision C | ||||
| BG5C59P | Legacy GT | EJ20H | E-4AT | I3 |
| BG5C5CD | Legacy GT-B | EJ20R | 5MT | 87 |
| BG5C5CP | Legacy GT-B | EJ20H | E-4AT | I3 |
| BG5C5CP | Legacy GT-B | EJ20H | E-4AT | I3 |
| BG5C5ED | Legacy GT-B Limited | EJ20R | 5MT | 87 |
| BG5C5ED | Legacy GT-B Limited | EJ20R | 5MT | 87 |
| BG5C5EP | Legacy GT-B Limited | EJ20H | E-4AT | I3 |
| BG5C5EP | Legacy GT-B Limited | EJ20H | E-4AT | I3 |
Subaru Legacy (Third Generation) Sedan (BE) | ||||
| JDM (RHD) Revision A | ||||
| BE5A48D | Legacy B4 RSK | EJ208 | 5MT | H7 |
| BE5A48D | Legacy B4 RSK | EJ208 | 5MT | H7 |
| BE5A48T | Legacy B4 RSK | EJ206 | E-4AT | H7 |
| BE5A48T | Legacy B4 RSK | EJ206 | E-4AT | H7 |
| JDM (RHD) Revision B | ||||
| BE5B48D | Legacy B4 RSK | EJ208 | 5MT | 40 |
| BE5B48D | Legacy B4 “Blitzen” | EJ208 | 5MT | 40 |
| BE5B48T | Legacy B4 RSK | EJ206 | E-4AT | L3 |
| BE5B48T | Legacy B4 RSK | EJ206 | E-4AT | L3 |
| BE5B48T | Legacy B4 “Blitzen” | EJ206 | E-4AT | L3 |
| JDM (RHD) Revision C | ||||
| BE5C48D | Legacy B4 Blitzen 2001 model | EJ208 | 5MT | Y9 |
| BE5C48D | Legacy B4 RSK | EJ208 | 5MT | Y9 |
| BE5C48D | Legacy B4 RSK | EJ208 | 5MT | Y9 |
| BE5C48T | Legacy B4 Blitzen 2001 model | EJ206 | E-4AT | Y8 |
| BE5C48T | Legacy B4 RSK | EJ206 | E-4AT | Y8 |
| BE5C48T | Legacy B4 RSK | EJ206 | E-4AT | Y9 |
| BE5C48T | Legacy B4 RSK | EJ206 | E-4AT | Y9 |
| JDM (RHD) Revision D | ||||
| BE5D48D | Legacy B4 RSK | EJ208 | 5MT | 1X |
| BE5D48D | Legacy B4 RSK | EJ208 | 5MT | 1X |
| BE5D4RD | Legacy B4 RSK | EJ208 | 5MT | 1X |
| BE5D4RD | Legacy B4 RSK | EJ208 | 5MT | 1X |
| BEED4PE | Legacy B4 Blitzen 6 | EZ30D | E-4AT | 4E |
| BEED4PE | Legacy B4 RS30 | EZ30D | E-4AT | 4E |
| BEED4PE | Legacy B4 RS30 | EZ30D | E-4AT | 4E |
| BEED4PE | Legacy B4 RS30 | EZ30D | E-4AT | 4E |
| BESD4UH | Legacy B4 S401 STi version | EJ208 | 6MT | SG |
Subaru Legacy (Third Generation) Touring Wagon (BH) | ||||
| JDM (RHD) Revision A | ||||
| BH5A59P | Legacy GT | EJ206 | E-4AT | 39 |
| BH5A59P | Legacy GT-VDC | EJ206 | E-4AT | 39 |
| BH5A5CD | Legacy GT-B | EJ208 | 5MT | 40 |
| BH5A5CD | Legacy GT-B | EJ208 | 5MT | 40 |
| BH5A5CP | Legacy GT-B | EJ206 | E-4AT | 39 |
| BH5A5CP | Legacy GT-B | EJ206 | E-4AT | 39 |
| JDM (RHD) Revision B | ||||
| BH5B5CD | Legacy GT-B E-tune | EJ208 | 5MT | 40 |
| BH5B5CP | Legacy GT-B | EJ206 | E-4AT | L3 |
| BH5B5CT | Legacy GT-B E-tune | EJ206 | E-4AT | L3 |
| JDM (RHD) Revision C | ||||
| BH5C5CD | Legacy Blitzen 2001 model | EJ208 | 5MT | Y9 |
| BH5C5CT | Legacy Blitzen 2001 model | EJ206 | E-4AT | Y8 |
| JDM (RHD) Revision D | ||||
| BHED5KE | Legacy Lancaster 6 | EZ30D | E-4AT | 4E |
| BHED5KE | Legacy Lancaster 6 | EZ30D | E-4AT | 4E |
| BHED5SE | Legacy Lancaster 6 | EZ30D | E-4AT | 4E |
| BHED5SE | Legacy Lancaster 6 | EZ30D | E-4AT | 4E |
Subaru Impreza (First Generation) Coupé (GC) | ||||
| JDM (RHD) Revision D | ||||
| GC8D2DD | Impreza WRX type R STi version | EJ20K | 5MT | 6S |
| GC8D2DD | Impreza WRX type R STi version | EJ20K | 5MT | 6S |
| GC8D2DD | Impreza WRX type R STi version | EJ20K | 5MT | 6S |
| GC8D2DD | Impreza WRX type R STi version | EJ20K | 5MT | 6S |
| JDM (RHD) Revision E | ||||
| GC8E2DD | Impreza WRX type R STi version IV | EJ20K | 5MT | 6S |
| GC8E2DD | Impreza WRX type R STi version IV | EJ20K | 5MT | 6S |
| JDM (RHD) Revision F | ||||
| GC8F2DD | Impreza WRX type R STi version V | EJ207 | 5MT | J2 |
| GC8F2DD | Impreza WRX type R STi version V | EJ207 | 5MT | J2 |
| GC8F2DD | Impreza WRX type R STi version V Limited | EJ207 | 5MT | J2 |
| JDM (RHD) Revision G | ||||
| GC8G2FD | Impreza WRX type R STi version VI | EJ207 | 5MT | J2 |
| GC8G2FD | Impreza WRX type R STi version VI | EJ207 | 5MT | J2 |
| GC8G2FD | Impreza WRX type R STi version VI LIMITED | EJ207 | 5MT | J2 |
Subaru Impreza (First Generation) Sedan (GC) | ||||
| JDM (RHD) Revision A | ||||
| GC8A47D | Impreza WRX type RA | EJ20G | 5MT | W6 |
| GC8A48D | Impreza WRX | EJ20G | 5MT | W6 |
| GC8A48D | Impreza WRX | EJ20G | 5MT | W6 |
| JDM (RHD) Revision B | ||||
| GC8B47D | Impreza WRX type RA | EJ20G | 5MT | W6 |
| GC8B48D | Impreza WRX | EJ20G | 5MT | W6 |
| GC8B48D | Impreza WRX STi version | EJ20G | 5MT | SA |
| GC8B48P | Impreza WRX | EJ20G | E-4AT | W6 |
| JDM (RHD) Revision C | ||||
| GC8C47D | Impreza WRX type RA | EJ20G | 5MT | Z5 |
| GC8C47D | Impreza WRX type RA | EJ20G | 5MT | Z5 |
| GC8C47D | Impreza WRX type RA STi version | EJ20G | 5MT | 7K |
| JDM (RHD) Revision D | ||||
| GC8D47D | Impreza WRX type RA | EJ20K | 5MT | 6S |
| GC8D47D | Impreza WRX type RA | EJ20K | 5MT | 6S |
| JDM (RHD) Revision E | ||||
| GC8E47D | Impreza WRX type RA | EJ20K | 5MT | 75 |
| GC8E47D | Impreza WRX type RA | EJ20K | 5MT | 75 |
| JDM (RHD) Revision G | ||||
| GC8G4DD | Impreza WRX type RA STi version VI LIMITED | EJ207 | 5MT | J2 |
Subaru Impreza (First Generation) Sports Wagon (GF) | ||||
| European (RHD) Revision F | ||||
| GF8FK8D | Impreza Turbo 2000 AWD | EJ20G | 5MT | W6 |
| European (RHD) Revision G | ||||
| GF8GK8D | Impreza Turbo 2000 AWD | EJ205 | 5MT | W6 |
| GF8GK8D | Impreza Turbo 2000 AWD | EJ205 | 5MT | W6 |
| European (RHD) Revision F | ||||
| GF8FK8D | Impreza WRX | EJ20G | 5MT | W6 |