OBDSTAR ECU MASTER (Package C) – Heavy-Duty Truck ECU Flasher & Cloning Tool
| Operation system | Windows 10 or above |
| CPU | STM32H723, STM32F407 |
| Working Voltage | DC 14V / 24V |
| Working temperature | -10℃ to 55℃ (14℉ to 131℉) |
| Storage temperature | -20℃ to 70℃ (-4℉ to 158℉) |
| Weight | 24.69 oz (approx. 0.7 kg) |
| Dimension | 6.93 × 4.53 × 1.25 in (176 × 115 × 31.7 mm) |
| Protocol | CAN (ISO 11898), J1708, ISO 15765, SAE J1939, ISO 9141, ISO 14230 (KWP2000), SAE J1850 |
| R/W Mode | OBD, BENCH, BOOT, JTAG/BDM |
| Warranty | 1 year; software upgrade period 1 year from registration date |
| Software Configuration | Package C |
OBDSTAR ECU MASTER is OBDSTAR's first professional PC-based ECU flasher, compatible with ECUs from major global brands and equipped with anti-misoperation reminders so even beginners can get started quickly.
⚠️ IMPORTANT PACKAGE INFORMATION
This listing includes OBDSTAR ECU MASTER Package C only. Package C covers heavy-duty commercial vehicles, tractors and off-highway machinery — ECM, TCM and BCM read/write and cloning on supported applications.
ECU MASTER software is sold in separate coverage packages:
- Package A – Passenger Cars & EVs
- Package B – Motorcycles
- Package C – Heavy-Duty Trucks, Tractors & Off-Highway Machinery (this listing)
- Package D – Crash Reset, sold as the P50 G2 (AIRBAG MASTER)
Passenger car, motorcycle and crash-reset functions are not included with Package C and require their respective licenses.
Support Functions
Read/write operations for ECM, TCM and BCM of major global commercial vehicle brands, plus VIN Read/Write, Virgin Reset, Mileage Calibration, CheckSum, MAPS Read/Write, ECU Lock/Unlock and IMMO OFF/ON on supported applications.
Supported Brands
- Truck: MERCEDES-BENZ (Freightliner / Detroit), VOLVO, SCANIA, MAN, IVECO, ISUZU, MITSUBISHI FUSO, FAW, FORD
- Tractor / OHW: JOHN DEERE, CNH INDUSTRIAL (Case IH / New Holland), KUBOTA, YANMAR
- HD ECU makers: BOSCH, DENSO, CONTINENTAL, DELPHI, SIEMENS, CUMMINS, WABCO, ZF
Supported Models
- MB BENZ PLD (MR) series — MR-A2 through MR-A8 — ECU Cloning via BENCH/BOOT mode
- MB BENZ ACM2, ACM2.1, ACM2.2 — ECU Cloning via BENCH mode
- MB BENZ ADM2, ADM3 — ECU Cloning via BENCH mode
- MB BENZ MCM2, MCM2.1 D2/D3/D4/D5 — ECU Cloning via BENCH/BOOT mode, Lock/Unlock ECU, Read/Write VIN
- MB BENZ CPC/FR, CPC3, CPC4, CPC5 — ECU Cloning via BENCH mode
- MB BENZ BOSCH, FESTO, WABCO MP4 TCMs — ECU Cloning and Read/Write via BENCH mode
- MB BENZ EBS4 (WABCO), EBS4+ (WABCO), EBS5 (BOSCH) — ECU Cloning via BENCH mode
- MAN FFR, PTM, EDC7C3, EDC7C32 — ECU Cloning via BENCH/JTAG/BDM mode
- SCANIA EMS S6, EMS S7, EMS S8, EMS EMD1, EGC4, EEC3, COO7, COO8, OPC5 — ECU Cloning via BENCH/JTAG mode
- MB BENZ / DAF / IVECO / HYUNDAI / MAN GS3.0, GS3.3, GS3.6 TCMs — ECU Cloning via BENCH/BOOT mode
- VOLVO EMS2.2, EMS2.3, EMS2.4 — ECU Cloning via BENCH mode
- CUMMINS CM1880A, CM1881, CM2150E, CM2220A, CM2350A, CM2150C, CM2220C, CM2880, CM871, CM2220B, CM2200A — Read/Write VIN via BENCH mode
Coverage varies by software version. Check the official OBDSTAR coverage list before purchasing.
Highlights
- Comprehensive Protocol & Mode Compatibility — Read/Write via OBD, BENCH, BOOT, JTAG and BDM, with focus on safe open-free ECU operation.
- Heavy-Duty Module Coverage — ECM, TCM and BCM operations across truck, tractor and off-highway machinery.
- Advanced HD Functions — MAPS Read/Write, ECU Lock/Unlock, IMMO OFF/ON, VIN and mileage operations.
- Dedicated Wiring Cables — Ships with the full ECU STD KIT1; no jumper improvisation required.
- Intuitive Design for Instant Mastery — Clear menu structure, complete documentation, anti-misoperation reminders.
- Professional After-Sales Support — Senior technical team with direct manufacturer expertise.
What's in the box
| Item | Description |
| 14V & 60W | Charger |
| M001C | Main cable |
| USB-A to USB-B | USB cable |
| BENCH-C V1 | ECU flasher bench cable |
| Jumper wires | 8 specifications (J-A ×4, J-B ×9, J-C ×7, J-D ×8, J-E ×8, J-F ×4, J-L ×4, J-N ×6) |
| 3-in-1 jumper | Jumper wire extension |
| C4-01 | Multi-function data read/write board |
| C4-10 adapter kit | C4-10 adapter plus W004, W005 and W006 — read/write data via JTAG/BDM adapter and soldering wire |
The C4-10 adapter, W006 and jumper sets J-A, J-C, J-D, J-F, J-L and J-N together make up OBDSTAR's ECU STD KIT1, which ships with every ECU MASTER unit. The P50 G2 does not include it.

View the latest supported ECU coverage, software updates and operating instructions directly from OBDSTAR: View Official OBDSTAR Downloads →
Coverage lists and downloads are maintained by the manufacturer and may change without notice. Verify vehicle and ECU compatibility before purchasing.