Subaru ECU Modules and Addresses

Observations from the map

The Subaru map ranks 21 with 29 definitions; the largest module types are: ecu_module (11), engine control unit (3), airbag / srs module (2).

29 of the addresses use 11-bit CAN identifiers and 0 use 29-bit identifiers. 1 definitions have scan priority 1; priority decides which module a scan starts from.

The map contains 3 safety-critical module definitions (ABS/brakes and airbag). Opening a diagnostic session on these can turn on a warning lamp; the vehicle must not be driven during the operation.

Modules in the map

Module name	Type	Address	Response	Priority
ECM (Engine)	Engine Control Unit	`7E0`	`7E8`	1
TCM (Transmission)	Transmission Control Unit	`7E1`	`7E9`	2
Engine #2 / Eyesight	Engine Control Unit	`7A2`	`7AA`	3
Transmission #2	Transmission Control Unit	`7A3`	`7AB`	4
ABS safety-critical	ABS / ESP Module	`7B0`	`7B8`	5
SRS/Airbag safety-critical	Airbag / SRS Module	`780`	`788`	6
Occupant detection safety-critical	Airbag / SRS Module	`756`	`75E`	7
BCM	Body Control Module	`752`	`75A`	8
Dashboard	Instrument Cluster	`783`	`78B`	9
A/C, Heater), Climate	Climate Control Module	`7C4`	`7CC`	10
Power steering	Steering Module	`746`	`74E`	11
Keyless access	Immobiliser / Alarm Module	`751`	`759`	12
TPMS	Tyre Pressure (TPMS) Module	`753`	`75B`	13
Light and rain sensor	Sensor Modules	`755`	`75D`	14
Headlights	Lighting Module	`747`	`74F`	15
Power rear gate	Tailgate Module	`757`	`75F`	16
Display	—	`7D5`	`7DD`	17
Start-Stop system / Auto start-stop	—	`782`	`78A`	18
Module	—	`701`	`709`	40
Module	—	`745`	`74D`	41
Module	—	`7B3`	`7BB`	42
Module	—	`7C0`	`7C8`	43
Module	—	`7D2`	`7DA`	44
Powertrain (OBD)	—	`7E2`	`7EA`	45
Powertrain (OBD)	—	`7E3`	`7EB`	46
Powertrain (OBD)	—	`7E5`	`7ED`	47
Powertrain (OBD)	—	`7E6`	`7EE`	48
Powertrain (OBD)	—	`7E7`	`7EF`	49
Engine (enhanced)	Engine Control Unit	`700`	`708`	51

← ECU maps by make

See the modules in your vehicle

With an ELM327-based BLE OBD2 adapter, CarCoding scans the vehicle’s modules, reads fault codes from those it can reach and explains every code in plain language. Which modules are reachable depends on the make and on the vehicle. The app is free to download.

Download on the App Store Get it on Google Play

Some advanced features require an in-app purchase.

Data source: the CarCoding ECU scan map (ecuDatabase.ts). The addresses and names in the table are definitions from the map; they can differ depending on the hardware and software version in your vehicle.

Disclaimer: This page offers general information and does not replace an inspection by a qualified workshop. Any work carried out on the vehicle is your own responsibility.