How to Change the Language on Your OBDSTAR ODO Master

The OBDSTAR ODO Master supports multiple languages, giving users worldwide a more comfortable and efficient operating experience. Supported languages include English, Italian, Russian, German, Spanish, French, Polish, and Portuguese.

If you want to switch the device to your preferred language, just follow the simple steps below.

Step 1: Access the Language Menu

On your ODO Master Tablet, navigate to the main menu and select [Settings], then choose [Language].

Step 2: Select Your Preferred Language

You will now see a list of all available languages. Simply tap on the one you wish to use.

Step 3: Update the Software (Recommended)

After the language has been successfully changed, it is highly recommended to go back to the main menu, select [Upgrade], and then log in to update the software. This ensures all menu items and resources are fully translated for your new language setting.

And that's it! Your OBDSTAR ODO Master is now set up in your preferred language, making your diagnostics work smoother and more intuitive.

If the language won't switch, try restarting the device. If the problem persists, our support team is here to help.

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2021 Harley-Davidson Key Programming with OBDSTAR MOTOMASTER

This guide walks you through the process of programming a new key for a 2021 Harley-Davidson motorcycle using the OBDSTAR MOTOMASTER diagnostic tool. Follow the steps below to complete the procedure smoothly and successfully.

Required Tools:

MOTOMASTER

Main Cable

M041 Cable

New Key

Step 1: Connect the Motorcycle

Locate the diagnostic port on your Harley-Davidson and connect it to the MOTOMASTER using the main cable and M041 cable.

Turn on the ignition to power the system.

Step 2: Select the Vehicle Model

On the MOTOMASTER:

Tap IMMO.

Use the search bar in the top-right corner to quickly locate your model.

Navigate to:

[HARLEY DAVIDSON] → [HARLEY DAVIDSON V40.32] → [BCM – Board Control Module]

Tap [ECU Information] to view and verify module details.

Step 3: Access Special Functions

Select [Special Function], then tap [Agree] to continue.

If you don’t have a working key, you must retrieve the PIN code first to activate the vehicle.

Choose [PIN read/change] if you wish to modify the PIN later.

Step 4: Program the New Key

If you already have an available working key, choose [Key FOB 1 assignment/replacement] to begin programming.

The device will prompt you to enter the Key ID.

Open your new key fob—inside, you will find an alphanumeric code. This is your Key ID.

Step 5: Finalize Programming

Follow the on-screen instructions and place the key near the motorcycle as required.

Once the device confirms the key has been successfully programmed, tap OK.

Turn on the ignition. If the engine starts normally, the new key has been successfully programmed.

Watch the full demonstration here:

More tools available at:

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OBDSTAR New Arrival: C4-08 (MB-VGS4-500-NAG2) Adapter Kit

The OBDSTAR C4-08 (MB-VGS4-500-NAG2) Adapter Kit is an advanced, solder-free solution designed for safe and efficient TCM data operations on Mercedes-Benz vehicles equipped with the VGS4-500-NAG2 transmission control unit. Featuring precision engineering, this kit greatly simplifies TCM virginizing, data reading/writing, and module personalization for both professional technicians and beginners.

What’s Included in the Kit?

The C4-08 kit provides all essential components needed for accurate drilling, secure positioning, and reliable data communication:

1. C4-08-01 Solder-free Board – Enables MB-VGS4-500-NAG2 TCM read/write operations via JTAG mode without soldering.

2. C4-08-02 Custom Positioning Board – Ensures precise, repeatable TCM hole-drilling alignment.

3. W011 Connecting Cable – Provides stable data transfer connections.

4. W020-V1.1 Interface Board – Interfaces the TCM with the programmer during data operations.

5. 22mm Custom Drill Head – Designed for clean and controlled TCM drilling using an electric drill.

6. Optional: TCM-014 + Converter V2 – Required for BENCH mode reading/writing (if already owned, no need to repurchase).

Support Functions:

1. Compatible with all Mercedes-Benz vehicles using the VGS4-500-NAG2 FBS4 TCU.

2. Enables solder-free virginizing of used TCMs via JTAG mode—reducing technical complexity and operation risks.

3. Supports data personalization (transfer) via BENCH or OBD mode, achieving results equivalent to a full TCM clone.

Advanced Features:

1. Custom positioning board ensures accurate drilling alignment, enabling smoother and more efficient operations.

2. No soldering skills required—even non-experts can perform professional TCM repairs safely and easily.

3. When paired with the included drill head and a handheld drill, the TCM can be opened with minimal exterior damage.

4. High-precision custom board supports safe, solder-free read/write operations, providing dependable data access and enhanced operational safety.

Compatible Tools:

The C4-08 Adapter Kit works seamlessly with the OBDSTAR MP001 multifunctional programmer, and supports devices such as KeyMaster G3 and DC706, enabling full functionality for TCM data processing.

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FAW R7F7010643 Airbag ECU Repair Guide with OBDSTAR P50

This guide walks you through the complete process of repairing and clearing crash data from the encrypted FAW airbag control module with part number R7F7010643. The procedure uses the OBDSTAR P50 along with the MP001 and RH850/V850 adapter kits.

What You Will Need:

OBDSTAR P50 (or KeyMaster G3)

High-power DC regulated power supply

Main cable

Jumper wires

MP001 Multifunctional Programmer

RH850/V850 Adapter Kit

FAW R7F7010643 Airbag ECU

Step 1 — Update Software and Enter Crash Reset Menu

Before starting, ensure that the OBDSTAR P50 software is fully updated.

Navigate to:

[Crash Reset] → [AIRBAG RESET]

Use the search icon (top-right) to quickly locate the correct airbag control module number.

Step 2 — Select Boot Mode and Check Wiring Guide

Tap Start, then choose Boot Mode and the correct adapter (MP001).

This function requires an online server connection—make sure your internet is stable.

Tap [Guide] to view detailed information about the function background, menu descriptions, operation introduction, notes, and connection methods.

Next, open [Connector Pinout] and follow the wiring diagram to make the proper cable connections.

Step 3 — Read ECU Info and DTCs

Click [ECU Info] to confirm the airbag ECU part number.

Then select [Read DTC] to check the fault codes.

A crash event will be detected.

Attempting to erase DTC will fail because crash data is stored.

Step 4 — Read All Data (Crash Records)

Since crash data cannot be cleared directly, you must first read all module data.

Go to: [Erase Crash (MP001)] → [Read All Data (R7F7010643)]

Select the PCB wiring diagram and disconnect the power before changing the adapter.

Replace the MP001 with the RH850/V850 Adapter.

Open the airbag module casing and solder the wires according to the PCB diagram.

Tap [Read All Data (R7F7010643)] → [Start]

Wait for communication to complete, then save the backup file.

Operation successful.

Step 5 — Erase Crash Data

Choose [Erase Crash], then follow the prompts to select the correct data file.

The tool will erase crash information from the file.

Crash record cleared successfully.

Step 6 — Reassemble and Clear DTCs

Reconnect everything and switch the device back to Diagnostic Mode.

Select [Erase DTC] again.

This time, the DTC clears successfully.

A final [Read DTC] confirms that the previous crash record is gone.

Full video tutorial:

For more tools and guides, visit:

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OBDSTAR MOTOMASTER: New Data Stream Diagram Upgrade

The latest update of the OBDSTAR MOTOMASTER Motorcycle Scanner introduces a newly optimized "Data Stream Diagram" feature — now more intuitive, simpler, and easier to use. This improvement allows technicians and motorcycle enthusiasts to view and analyze real-time data more efficiently.

Step-by-Step Overview:

① Tap [Read Data Stream] → Select [Value Live Data]

This step allows you to enter the live data monitoring interface, where you can choose which vehicle parameters to observe in real time.

② Select the desired values and tap [Diagram]

The selected data will be visualized as a dynamic graph, helping you quickly understand performance trends and system behaviors.

③ Customize your viewing experience

You can easily edit the line display, adjust value intervals, and switch to full-screen mode for a clearer and more comprehensive view of the data.

With this update, MOTOMASTER makes diagnostic visualization smoother and more professional — perfect for workshops and motorcycle service experts who demand precision and convenience.

Learn more or get your device at: www.obd2shop.co.uk

For more details, please refer to the video: