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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
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Broad ECU Read/Write
Bosch MED/EDC17, Continental SIMOS, GPEC, Delphi, DSG TCM and Mercedes-Benz FBS4 units across thousands of car models.
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Service Functions
Checksum correction, IMMO data reading and conversion, coolant temperature sensor calibration and virgin reset.
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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.
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Ford CAN FD ECUs
Read and write Ford MG1/MD1 GEN2 CAN FD ECUs by OBD or bench, including locked types from 2020 onward.
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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.
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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.
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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.
Connection Mode Selection
Only the modes available for the selected unit can be chosen.
Function Panel
ECU information, internal flash and EEPROM read/write, with guide and pinout buttons alongside.
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
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.
English 
German 
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