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 Say goodbye to fumbling for keys! The Xhorse Bluetooth Digital Smart Key turns your phone into a digital car key and smart diagnostic tool. Offering keyless entry, touchless locking, and remote start. No network? No problem! Plus, it’s super easy to install via OBD. Monitor your vehicle’s status and control it all from the SmartKey Box app(available on iOS & Android).

In this article, we’ll introduce how to start and use XSBTK0EN Smart Key, including full installation and activation. Upgrade your ride’s security and convenience today!

Step 1. Key Programming

NOTE: For vehicle security, this product requires the use of Xhorse professional equipment during the initial installation.

If you’re an automotive locksmith, make sure you have a battery and a pressing tool ready – tweezers are highly recommended for this process, and any Xhorse generation matching device.

If you’re an individual car owner, the first-time installation will require assistance from a professional automotive locksmith or repair shop to complete the process.

Here’s taking VVDI Key Tool Plus for demonstration.

• To start, carefully press and disassemble the device. Inside, you’ll find a built-in key.
• Be sure to install the battery correctly, paying close attention to the positive and negative terminals(with the correct polarity).
• Once the battery is installed, you can proceed to program it with the vehicle. As you would with a regular key.

It’s that simple! Now let’s dive into the operation steps using a BYD vehicle.

• Remote Program

Insert the Bluetooth Key Remote Module with the battery installed.

Remote Program >> BYD >> Han ID46/4A 433.92 >> Generate

Burn success.

• Detect Chip And Frequency

After generating, check the chip and frequency.

If successfully identified, proceed to the next step.

If the module is not recognized, it indicates that it is in a disabled state.

In this case, insert it back into the OBD port, pair it with the phone’s Bluetooth and use the phone to unlock the car once to activate.

• Immo Programming

Immo programming >> BYD >> 2021-(new) >> Smart key programming >> Start programming >> Key programming

Key number: 2

User the new smart key(Bluetooth Key Remote Module) and hold it close to the induction coil.

Programmed successfully.

• Test Functionality

Next, you can test the remote module.

Make sure it has the battery installed during the testing process.

If the test is successful, you’re all set!

Step 2. Bind The Device

Download and install the SmartKey Box app.

Note:

Programming completed, battery must be removed before using it.

Insert the device into the car’s OBD port, open the app and connect the device.

Then, pair the device with your phone through learning mode.

Step 3. Write OBD Diagnostic Program(Optional)

Enter “OBD diagnosis”, select the corresponding vehicle model and write the OBD diagnostic program to the device.

Note:

If your vehicle model is not currently listed in the supported models, it will not affect the functionality of your phone’s digital key. You simply won’t be able to access real-time vehicle and fault information. We are constanttly working to expand support and will provide updates as they become available.

Once you’ve completed these steps, the device is good to go!

www.vvdishop.com

Problem:

Xhorse multi prog reported an error “The remaining usage of the device is less than 50 times.”

Solution:

After 1000 uses, you need to synchronize the device again.

Go to Update Online tab-> Authorization management and sync device.

 Xhorse Multi Prog programmer new user feedback:

Citroen Jumper 2018 year.

Delphi DCM6.2C ECU.

Read/write ok in boot mode.

Ad blue delete.

Checksum correction ok.

 Problem:

Xhorse multi prog is reading BMW MSV80 data but failed with “Data loading failed!” prompt.

Tried bench and boot, all failed.

How to solve? Please advise.

Solution

Please modify the Block Length in Device Settings at the bottom right corner: 0x500, 0x1000, 0x2000… try them one by one.

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 Xhorse Multi Prog does Chrysler GPEC2A ECM in boot mode. Take the example of the Dodge Charger.

ECM: FCA Continental GPEC2

Mode: Boot mode

Read ok, Write ok.

It doesn’t do checksums but it doesn’t do the hex code patch to unlock, iMMO off and vin change

Read EXT EEPROM and INT Flash without problem.

Multi prog will read but cannot unlock.

Modify data tuner.

Write the modified data back to the GPEC2A with multi-prog.

 Possible to read and write Valeo VD56 PSA with Xhorse multi prog?

Yes. it does.

For example:

It is a Peugeot 208, V56 ECU.
Flex doesn’t have Boot protocols. Foxflash won’t do boot for this one.
But Xhorse multi prog will read and write.

VD56 GPF OFF, DTC OFF, read and write by multi prog.

But will not carry out checksum correction.
Checksum manually With winOLS or Lsuite.

 How to Read BMW MSV80 DME with VVDI BIMTool Pro and Godiag GT100 obd2 breakout box.

Test reading MSV80 data using GODIAG disconnect box.

 Losing all keys to your Citroën Jumper 2021 can be a frustrating experience, but with the right tools and knowledge, it’s possible to program a new key. Below is a step-by-step guide based on a real-world procedure performed by an automotive locksmith.

Tools and Equipment Required

• VVDI Key Tool Plus – Necessary for direct key programming.
• EEPROM adapter – Used to read and write data from the immobilizer chip.
• Soldering equipment – For carefully removing and reinstalling the chip.

Step-by-Step Procedure

1. Accessing the Immobilizer Module

• The immobilizer module in the Citroën Jumper 2021 is located behind the dashboard.
• Carefully remove the casing by releasing the side and top clips to avoid damaging the connectors.

2. Removing and Reading the EEPROM Chip

• Locate the EEPROM chip (95640) on the immobilizer board.
• Desolder the chip gently to avoid damaging the circuit board.
• Solder the chip onto an EEPROM adapter to read its data.

3. Extracting Key Data and PIN

• Identify the stored key data and extract the vehicle’s PIN code.
• The dump revealed two existing keys, but the goal was to program four new keys.

4. Writing Key with vvdi key tool plus

• Prepare new key transponder chips by writing the extracted PIN and new key data.
• Each key was programmed sequentially, with the fourth key added to the immobilizer’s memory.
• Verify that all four keys were successfully written before proceeding.
• Save new key data

5. Write new key data back to EEPROM

• Write the new key data back to eeprom.

6. Testing the New Keys

• Solder the EEPROM chip back onto the immobilizer board.
• Reassemble the module and reconnect it to the vehicle.
• Repeat the test with the second, third, and fourth keys to ensure all work correctly.

Done.

 In this guide, we’ll walk through the process of cloning a Volvo S60 (2014) Bosch EDC17CP22 ECM (Engine Control Module) using Xhorse Multi Prog programmer. The original ECM had issues—check engine light was on, and the car wouldn’t start—so we replaced it with a used ECM and transferred the data from the old module.

Step 1: Preparing for ECM Cloning

Before starting, ensure you have:

• Multi prog (or a compatible programmer).
• Donor ECM (used/replacement unit).
• Original ECM data backup (critical to avoid programming errors).

Why Multi prog?

• No extra wiring needed—it has built-in schematics for easy connections.
• Supports reading internal and external flash memory separately.
• Faster and more reliable than other tools.

Step 2: Reading Data from the Original ECM

1. Connect Multi prog to the old ECM (power, ground, and ignition lines).
2. Read three sets of data:
   • Internal Flash
   • External Flash
   • EEPROM (critical immobilizer and calibration data).
3. Save all files securely—corrupted data can brick the ECM.

Note: Reading may take 4-5 minutes per section, and full backup is necessary before proceeding.

Step 3: Writing Data to the Donor ECM

1. Connect the replacement ECM to Multi-prog.
2. Load the saved files (internal flash, external flash, and EEPROM).
3. Write each section separately (Multiprog does not support full-file writing).
   • External Flash: ~8 minutes.
   • Internal Flash: ~1 minute 19 seconds.
   • EEPROM: ~2 minutes 2 seconds.
4. Verify successful writing—the tool will confirm completion.

Step 4: Testing the Cloned ECM

After writing:

1. Install the cloned ECM in the vehicle.
2. Turn on ignition—check for error lights.
3. Start the engine—if cloning was successful, the car should start normally.

Important: If the car doesn’t start, recheck:

• EEPROM data (most immobilizer issues come from incorrect EEPROM cloning).
• Power and ground connections to the ECM.

Done.

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 Xhorse Multi Prog user new feedback:

Successfully reading and writing pcm Acdelco E69 (MED9.6.1) ECU. Clone GM Traverse PCM successfully.

Done in Buick Enclave GM Bosch MED9.6.1 menu.

Bench mode.

Read ext eeprom and ext flash.

Write ext eeprom and ext flash.