Xhorse VVDI Tools, VVDI2, VVDI MB, VVDI Prog, VVDI key tool, VVDI BMW etc software & firmware download, update and technical support from vvdishop.com.
Problem:
Xhorse Multi Prog failed to read Renault/Dacia EMS3125 ECU. After connecting, the program reads the processor identification but does not read the content. The software reported a chip data reading failed error.
Solution:
As the multiprog said, the chip is encrypted and cannot be read.
The processor is password-protected.
Xhorse multiprog cannot read this; boot mode only combiloader, obdstar or trasdata.
Here comes the user review of GM BCM cloning using Xhorse Multi Prog programmer.
First attempt:
BCM GM with 24c32 RH850 R7F701053
I problem with this BCM water damaged same parts numbers, so i clone eeprom 24C32 but i have all functions working
like door lock from driver\passenger side no work, driver windows no work.
Is it possible to clone RH850 R7F701053 written only CFLASH *multiprog*?
if we can clone this MCU/BCM safely without damaging the MCU?
Second Attempt:
Need to write eeprom and flash together.
DFLSH is all FF FF FF.
Cflashhave content.
Solved, only need eeprom and cflash job done.
Xhorse VVDI Key Tool MIDI advanced version now also supports reading original VAG MQB49 5C/5D key data and add key without multiprog.
How to connect Xhorse Key Tool MIDI with Xhorse 5C 5D adapter?
To connect Xhorse 5C 5D adapter with MIDI, you will need an extra XNDP123 converter.
First of all, disassemble original key board.
Connect the key board to the 5C/5D adapter.
Connect 5C/5D adapter with XDNP123 converter.
Connect XNDP123 converter with MIDI tablet via USB cable.
Now you can read 5C 5D key data, generate dealer key and learn key with MIDI without other devices.
Problem:
We are adding two spare keys to a VW Transporter 2019 MQB with Xhorse VVDI Key Tool Plus, generated two Xhorse XSDM04EN MQB smart remotes & read EEPROM, read immo, both saved , learned new keys using immo data.
All programmed fine; customer’s original remote works great. Two new XHorse remotes will not; tried learning again with no batteries and still no luck. Again, customer’s works fine , all 3 keys start perfectly
Any ideas on what may be wrong?
Here is the clue.
VW Transporter/Caddy 2019 is MQB4.5 not MQB49 5C.
Those keys are MQB style, not MQB electronics.
If MQB 4.5 you may need a different key profile and to learn remote manually (sometimes).
2019+ IMMO 4.5 VAG the remote channel 09 is locked and remote is learned during transponder programming. You need to use the aftermarket BH or DH ending serial keys with chips on board otherwise remote won’t program and you cannot access remote channel without ODIS.
Problem:
After start update Xhorse multi prog firmware 1.4.9, the programmer stopped the connection and write on display ” UPDATING “. How to fix it?
Solution:
During the V1.4.9 update, the programmer switches USB modes, and if the PC drops the driver for a second, it gets stuck in bootloader mode (“UPDATING”).
You’ll need to do a hard power-reset, plug into a direct USB 2.0 port, and run the firmware recovery mode from the software menu.
·
Reset device, you have to conect it to the app and press reset 10 sec.
The Xhorse VVDI Super Chip XT27B is a great chip… but it doesn’t do magic.
Many hear “Super Chip” and believe that it replaces any transponder. That’s the first mistake. The XT27B greatly expands the coverage compared to the XT27A. But it still depends on the vehicle system, the equipment used and the compatibility available. A powerful tool is still just a tool.
Action plan:
• Step 1: Identify the vehicle.
• Step 2: Confirm the immobilizer system.
• Step 3: Next decide if the XT27B applies.
Where it really prove its value?
This is where many workshops recover their investment. The XT27B was designed to work with modern platforms that typically require broader coverage. When the system is supported and the equipment is up to date, it can make the job much easier. The key is to use it where it belongs. Not where “maybe it works.”
Action plan:
• Step 1: Check your device coverage.
• Step 2: Confirm that the software is updated.
• Step 3: Always work with current information.
The most expensive mistake is to trust.
Many technicians think: “It’s XT27B… it’s sure to come in.” And that’s where the problems begin. There are systems that require specific processes or additional validations. In those cases, insisting only wastes time. Diagnosing always costs less than improvising.
Action plan:
• Step 1: Do not prepare the chip by intuition.
• Step 2: Confirm the correct procedure.
• Step 3: Avoid working by trial and error.
Team success does not always mean vehicle success.
This detail surprises many. The programmer can complete the process. And even then the vehicle may reject the key during subsequent tests. That’s why the best workshops never deliver the job immediately. They always check the operation before.
Action plan:
• Step 1: Check the boot several times.
• Step 2: Check all available features.
• Step 3: Only deliver when everything responds correctly.
The real savings are not in using a single chip.
Many buy a super chip to reduce inventory. That makes sense. But the savings disappear when you have to redo the job because you chose the wrong chip. The best savings always start with a good diagnosis. Not with a cheaper chip.
Action plan:
• Step 1: Calculate the cost of rework.
• Step 2: Prioritize compatibility.
• Step 3: Buy with information, not for appearance.
XT27A or XT27B: the correct question is another.
Many ask: “Which one is better?” The real question is: “Which one does this vehicle need?” Because both fulfill different functions. It’s not about choosing the newest one. It’s about choosing the right one. This change of mentality avoids many mistakes.
Action plan:
• Step 1: Identify the system.
• Step 2: Confirm what coverage you need.
• Step 3: Then choose the chip.
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Question:
Can I clone with Xhorse Multi Prog on a Peugeot Valeo VD56.1 ECU? I tried writing, it works fine, no problems, but I don’t have a startup after writing the flash and eeprom?
Here is the clue.
Multiprog reads VD56 ECU in boot mode without problem, but it cannot 1:1 clone this ECU. There is an OTP on it.
Multiprog does not calculate the checksum for the VD56.
Multiprog read mcu id if you need immo off you need mcu id.
This mcu has otp areas and mcu id so if you write the mcu will block.
