PC-Based ECM, TCM and BCM Cloning for Cars and EVs

ECU MASTER A is OBDSTAR’s Windows-based ECU flasher for passenger cars and EVs. It reads, writes and clones engine, transmission, body and BMS/VCU units by OBD, bench, boot, JTAG or BDM, with the P003+, MP001 and CAN FD adapters built into the host. Motorcycles are not supported; check the supported list before ordering.

ECM / TCM / BCM Clone
Car & EV
Built-In CAN FD Adapter
Windows Software
1 Year of Updates

Key Features

Broad ECU Read/Write

Bosch MED/EDC17, Continental SIMOS, GPEC, Delphi, DSG TCM and Mercedes-Benz FBS4 units across thousands of car models.
Service Functions

Checksum correction, IMMO data reading and conversion, coolant temperature sensor calibration and virgin reset.
Transmission Controllers

Cloning for Aisin SH7058/SH7055 series, BMW 8HP GEN3 and Jaguar/Land Rover 8HP GEN3 and 9HP50 TCMs by bench, plus Hyundai/Kia Kefico shift-by-wire units; Mercedes-Benz FBS3/FBS4 TCM personalization and data transfer.
Ford CAN FD ECUs

Read and write Ford MG1/MD1 GEN2 CAN FD ECUs by OBD or bench, including locked types from 2020 onward.
EV BMS and VCU Cloning

Bosch VCUs from Geely, Great Wall, SAIC and BYD Yangwang, and Bosch BMS units from Audi, Volkswagen, Seat, Skoda and Geely, by bench.
More Popular Units

VW SIMOS, ME17 and EDC17 internal EEPROM data transfer, Magneti Marelli 11-series cloning, China Delphi MT flash/EEPROM and Fiat/Alfa Romeo/Ferrari MB91F526 BSI cloning.
Guided Operation

Clear menus, connection guides, pinout diagrams and anti-misoperation reminders help newer users work safely.

Highlights

Searchable ECM List

Filter by vehicle brand, ECU brand, type or MCU and see the supported connection modes for each unit.

ECU MASTER connection mode dialog with OBD, bench, boot and BDM/JTAG options — Connection Mode Selection

Only the modes available for the selected unit can be chosen.

ECU MASTER function panel for a Getrag MPS6 TCM with flash and EEPROM read and write buttons — Function Panel

ECU information, internal flash and EEPROM read/write, with guide and pinout buttons alongside.

ECU MASTER connector pinout diagram showing power, ground and CAN wiring for a Getrag MPS6 TCM — Connector Pinout

On-screen wiring for power, ground and CAN lines on bench connections.

ECU MASTER A vs DC706

	ECU MASTER A	DC706
P003+, MP001, CAN FD adapters	Built in	Purchased separately
Truck and tractor license	Available	Not available
Airbag reset, battery reset, steering angle licenses	Available	Not available
Motorcycles	No	Yes
Car model coverage	Same	Same

What’s in the Box

1×ECU MASTER host
1×C4-10 adapter
1×C4-01 adapter
1×Charger (14 V, 4.28 A)
1×Power cable
1×USB cable
1×3-in-1 jumper cable
4×J-A jumpers
9×J-B jumpers
7×J-C jumpers
8×J-D jumpers
8×J-E jumpers
4×J-F jumpers
6×J-N jumpers
4×J-O jumpers
1×M001C main cable
1×W004 soldering wire
1×W005 soldering wire
1×W006 soldering wire
1×BENCH-C-V1 bench cable
4×Capacitors

Updates & Support

Software updates: 1 year included; updates released monthly
Platform: Windows PC software
Optional licenses: Airbag reset, battery reset, steering angle repair, and truck and tractor coverage

Setup and operation: ECU MASTER user manual (PDF).

Good to Know

Caution

Check the supported list for your exact ECU before ordering.
Vehicle-specific TCM cables and other optional adapters are not included and must be purchased separately.
The software is English only; other languages cannot be added.