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OBDSTAR  |  SKU: ECU-Master-C-Bundle

OBDSTAR ECU Master (C) | ECU Programmer

€1.879,95 incl.
€1.553,68 excl.

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The OBDSTAR ECU Master is a PC-controlled ECU programmer that lets you read, edit, and write engine control units on a bench setup. The device sits between the mounted controller and a Windows PC: the PC runs the software while the device provides power and communication with the unit on the bench. Which vehicles and modules you can access depends not on the hardware itself, but on the configuration unlocked to the serial number.

This version comes with Configuration C, the setup for commercial vehicles, tractors, and heavy equipment. This opens up the heavy-duty segment: engine management for over 120 brands, from DAF, MAN, Scania, Volvo, and Mercedes-Benz to John Deere, Claas, Fendt, Caterpillar, Komatsu, and Kubota. While passenger cars are mainly identified by type numbers, OBDSTAR lists controllers here by their specific model names: MR-A2 through MR-A8, MCM2, EDC7C3, EMS S6 through S8.

What sets this apart from simpler tools is the range of programming methods. With heavy-duty controllers especially, the bench isn't always the answer: Mercedes-Benz also supports boot mode, MAN supports JTAG and BDM, and Scania supports JTAG. The ECU Master handles all five, so if a controller won't respond one way, you have other options.

KEY BENEFITS

✔Controllers listed by name, not just brand lists — The manufacturer specifies the exact models for each brand, down to MR, MCM, and EMS variants. You'll know in advance whether your unit is supported.
✔Multiple access routes to the same controller — With MAN, bench, JTAG, and BDM all work, and with Mercedes-Benz you can use bench or boot mode. If one method hits a dead end, another remains available.
✔Agricultural and heavy equipment included — John Deere, Claas, Fendt, New Holland, Case, Komatsu, Caterpillar, Kubota, and Yanmar fall under the same configuration as commercial trucks.
✔Locked controllers can be unlocked — Locking and unlocking, reading and writing MAPS, and checksum functions are all part of this configuration.

IMPORTANT NOTES

✕Transmission and body control much more limited than engine management — Engine management covers over 120 brands, transmission control covers ten, and body control covers six. Check this before purchasing.
✕Not for passenger cars or motorcycles — Configuration A and B are required for that; the configurations are not interchangeable.
✕No airbag, battery, or SAS resets — Those functions are included in configuration D.
✕The software is available in English and Chinese — There is no Dutch language version.

Application and functionality

Configuration C is designed for work on control units in trucks, buses, agricultural vehicles, and heavy equipment. The following operations are available with it.

  • Clone control unit: Transfer the contents of a faulty controller to a replacement unit so the vehicle or machine will accept it.
  • Read and write VIN: Read the chassis number and write it to a replacement control unit.
  • Reset to factory status: Restore a used control unit to its original unused state.
  • Calibrate odometer: Adjust the stored mileage in the control unit to match the actual mileage.
  • Correct CheckSum: Recalculate the checksum after a modification so the control unit accepts the adjusted data as valid.
  • Read and write MAPS: Read and rewrite the engine control calibration tables.
  • Lock and unlock control unit: Remove or restore the security protection on the control unit.
  • Enable and disable IMMO: Turn the engine immobilizer on or off within the control unit.

The five programming modes

Which mode you need depends on the control unit and varies by manufacturer. The ECU Master supports all five.

Mode When you use it
OBD Via the vehicle's diagnostic connector, without removing the control unit.
BENCH The removed control unit receives power and communication on the workbench via the BENCH-C V1 cable. For the heavy-duty segment, this is the most commonly used method.
BOOT The control unit is started in boot mode by making a fixed connection on the circuit board. For Mercedes-Benz, this is the alternative for various control units instead of the bench method.
JTAG Direct access to the processor via the debug interface, using the C4-10 adapter. For MAN and Scania, a fully viable alternative.
BDM The second debug interface on the same C4-10 adapter. For MAN, explicitly mentioned as a third option.

Brand-specific support

For the brands listed below, the manufacturer identifies the controller types by name, along with the processing mode. This tells you far more than just a brand name alone.

Mercedes-Benz

The PLD controllers MR-A2 through MR-A8 can be cloned via bank or boot. The ACM2 and versions 2.1 and 2.2 work via bank, as do ADM2 and ADM3. For the MCM2 series — including the D2, D3, D4 and D5 variants of the MCM2.1 — both bank and boot are supported, and this includes controller locking and unlocking plus VIN reading and writing.

MAN

The controllers FFR, PTM, EDC7C3 and EDC7C32, cloned via bank, JTAG or BDM. Three different methods to access the same unit, which is helpful when one option isn't available.

Scania

The engine control units EMS S6, EMS S7, EMS S8 and EMS EMD1, plus EGC4, EEC3, COO7, COO8 and OPC5. Cloning is performed via bank or JTAG.

Volvo

The engine control units EMS2.2, EMS2.3 and EMS2.4, cloned via bank.

Transmissions

The GS3.0, GS3.3 and GS3.6 controllers as used in Mercedes-Benz, DAF, Iveco, Hyundai and MAN vehicles, via bank or boot.

Cummins

VIN reading and writing via bank on the controllers CM1880A, CM1881, CM2150C, CM2150E, CM2200A, CM2220A, CM2220B, CM2220C, CM2350A, CM2880 and CM871.

Supported Brands

Note the distinction between the three module groups.Engine management has broad coverage, while transmission and body control is considerably more limited. If you're purchasing this configuration for transmission work, first verify that your brand appears in the second list.

Engine Management (HD ECM)

AGCO, Agrale, Alexander Dennis, Artec, Ashok Leyland, Autosan, Avia, BAIC, BCI, BMC, Bobcat, Bonluck, Brilliance, Buhler Versatile, Camox, Case, Caterpillar, Challenger, Claas, CMI, Concorde, Croplands, DAF, Deutz, Ditch Witch, Dongfeng, Doosan, Dressta, Dynapac, Eicher, FAW, Fendt, Force, Ford, Foton, Franzoi, Freightliner, Furukawa, GAZ, Golden Dragon, Guleryuz, Hagie, Hammel, Higer, Hino, Hitachi, Holmer, Honda, Hydrema, Hyster, Hyundai, Impex, International, Isuzu, Iveco, JAC, JBT, JCB, JMC, John Deere, Kalmar, KamAZ, Kenworth, King Long, Komatsu, Krone, Kubota, Kuhn, Lamborghini, Landini, Laverda, LiuGong, Lovol, MacDon, Mack, MAN, Manitou, Massey Ferguson, Matrot, MAZ Minsk, MB Benz, McCormick, Mitsubishi, Mitsubishi Fuso, Morooka, Neoplan, New Holland, Nissan, Otokar, Peterbilt, PI Makina, PistenBully, Prinoth, Renault, Rostselmash, SAME, Sany, Scania, Sennebogen, Shacman, Soilmec, Solaris, Steyr, Tata, Tata-Daewoo, Tecnoma, Temsa, Terberg, Tico, Tigercat, Valtra, VDL Citea, Volare, Volkswagen, Volvo, Western Star, Wirtgen, XCMG, Yanmar, Yutong and Zhongtong.

Transmission (HD TCM)

DAF, Hyundai, Irizar, Iveco, Liebherr, Link-Belt, MAN, MB Benz, Scania and Setra.

Body and Chassis (HD BCM)

DAF, Freightliner, Iveco, MAN, MB Benz and Scania.

How It Works in Practice

  1. Download the ECU Master software from the Download Center on the OBDSTAR website and install it on a PC running Windows 10 or later.
  2. Create an account and register the device so that configuration C is activated on your serial number.
  3. Connect the ECU Master to the PC using the USB-A to USB-B cable and to the power outlet using the 14V 60W adapter.
  4. Remove the control unit from the vehicle or machine and connect it to the BENCH-C V1 cable, or establish a connection via the C4-10 adapter when boot, JTAG or BDM is required.
  5. In the software, select the commercial vehicle segment and filter by brand, or search directly for the controller type; the search bar highlights matching results.
  6. Read the data and save a backup before making any changes.
  7. Perform the operation and write the data back to the control unit.

Package Contents

  • 1x OBDSTAR ECU Master programmer — The device itself, with DC, USB, COMM and IG connections.
  • 1x 14V / 60W charger — Powers the device and the connected control unit on the workbench.
  • 1x M001C main cable — The primary connection between the device and the control unit to be programmed.
  • 1x USB-A to USB-B cable — Connects the device to the PC running the software.
  • 1x BENCH-C V1 cable — Bank cable with labeled wires for connecting an external control unit.
  • 1x Set of jumper wires (8 versions) — Bridges different pin configurations on the bank.
  • 1x 3-in-1 jumper extension cable — Extends and combines jumper connections without loose wiring.
  • 1x C4-10 adapter — Provides access to the processor's JTAG and BDM interface, often required for MAN and Scania vehicles.
  • 1x W004 read/write cable — Component-level connection with connector.
  • 1x W005 read/write cable — Alternative version for a different connector type.
  • 1x W006 read/write cable — Standalone wire for a solder connection where no connector fits.

💡 Good to know: The hardware is identical across all versions; only the unlocked configuration differs. If you work on commercial vehicles, cars, and motorcycles alongside each other, you can activate configuration A or B on the same device — so you don't need to buy a second unit. When placing your order, have the serial number ready, as the configuration is unlocked based on it.

Technical specifications

Specification Description
Brand OBDSTAR
Model ECU Master
Product type ECU programmer
Configuration Configuration C
Unlocked modules ECM, TCM, and BODY/CHASSIS (commercial vehicles, agricultural and off-road machinery)
Brands with engine management Over 120
Brands with transmission control 10
Brands with body control 6
Programming modes OBD, BENCH, BOOT, JTAG, and BDM
Debug interfaces JTAG and BDM via C4-10 adapter
PC connection USB-A to USB-B
Operating System Windows 10 or later
Software Language English and Chinese
Power Supply 14V / 60W Adapter
Shipping Weight 1.8 kg
Item Number ECU-Master-C-Bundle