GWM ECU Modules and Addresses

Observations from the map

The GWM map ranks 13 with 58 definitions; the largest module types are: ecu_module (19), airbag / srs module (3), high-voltage system modules (3).

58 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 6 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
ABS / ESP safety-critical	ABS / ESP Module	`782`	`7C2`	3
HVAC / Climate	Climate Control Module	`763`	`7A3`	8
VCU / BMS	High-Voltage System Modules	`78B`	`7CB`	20
BMS (Battery Mgmt)	High-Voltage Battery Module	`78A`	`7CA`	21
GMCU (Drive Motor)	High-Voltage System Modules	`787`	`7C7`	22
TPMS	Tyre Pressure (TPMS) Module	`76C`	`7AC`	23
Transmission #2	Transmission Control Unit	`692`	`69A`	24
ABS #2 safety-critical	ABS / ESP Module	`694`	`69C`	25
SRS var.1 safety-critical	Airbag / SRS Module	`76A`	`7AA`	26
SRS var.2 safety-critical	Airbag / SRS Module	`720`	`728`	27
SRS #2 safety-critical	Airbag / SRS Module	`6A2`	`6AA`	28
BCM	Body Control Module	`765`	`7A5`	29
BCM #2	Body Control Module	`612`	`61A`	30
Independent gateway	Gateway Module	`761`	`7A1`	31
Gateway	Gateway Module	`602`	`60A`	32
Instruments panel	Instrument Cluster	`766`	`7A6`	33
Instruments panel #2	Instrument Cluster	`6A8`	`6B0`	34
Electronic steering control lock	Steering Module	`769`	`7A9`	35
EPB safety-critical	Brake Control Module	`6C5`	`6CD`	36
MCU/P2M	High-Voltage System Modules	`789`	`7C9`	37
OBC	Charger Module	`78C`	`7CC`	38
TOD/4WD	AWD / Transfer Case Module	`786`	`7C6`	39
TOD/4WD #2	AWD / Transfer Case Module	`6A4`	`6AC`	40
Passive entry Passive Start (PEPS)	Immobiliser / Alarm Module	`768`	`7A8`	41
Passive entry Passive Start (PEPS) #2	Immobiliser / Alarm Module	`610`	`618`	42
SCM (Suspension Control)	Suspension Module	`656`	`65E`	43
Rear view camera	Camera Module	`774`	`7B4`	44
Intelligent forward camera	Camera Module	`77A`	`7BA`	45
Adaptive cruise control	Adaptive Cruise Control Module	`772`	`7B2`	46
Radar side detection system - Left	Driver Assist and Safety Modules	`76E`	`7AE`	47
Radar side detection system - Right	Driver Assist and Safety Modules	`76F`	`7AF`	48
Parking assistance system	Park Assist Module	`775`	`7B5`	49
Steering angle sensor	Sensor Modules	`783`	`7C3`	50
Around view monitoring system	Sensor Modules	`776`	`7B6`	51
Seat heat, massage system	Seat Module	`767`	`7A7`	52
Telematics box	Telematics Module	`77E`	`7BE`	53
Glonass	Telematics Module	`79E`	`7DE`	54
HUT	—	`773`	`7B3`	55
A/C #2	—	`61A`	`622`	56
DDCM	—	`650`	`658`	57
PDCM	—	`652`	`65A`	58
DSM	—	`654`	`65C`	59
F-PAS	—	`630`	`638`	60
L-PAS	—	`632`	`63A`	61
RVC #2	—	`6A6`	`6AE`	62
AFS	—	`6A0`	`6A8`	63
CD	—	`61C`	`624`	64
SAS	—	`696`	`69E`	65
EGD	—	`778`	`7B8`	66
IFV	—	`777`	`7B7`	67
SBWM	—	`6B2`	`6BA`	68
Powertrain (OBD)	—	`7E3`	`7EB`	69
Powertrain (OBD)	—	`7E4`	`7EC`	70
Powertrain (OBD)	—	`7E5`	`7ED`	71
Powertrain (OBD)	—	`7E6`	`7EE`	72
Powertrain (OBD)	—	`7E7`	`7EF`	73

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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.

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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.