How to Modify VVDI MLB Tool Firmware for MQB48 Adapter

 Xhorse VVDI MLB Tool updated MQB48 NEC35XX immo data collection function recently. Follow the steps below to update your VVDI MLB Tool firmware to use MQB48 adapter.

The MQB48 adapter comes with solder wires and an enhanced version replacement chip.

Remove 4 screws on the back of the MLB tool and open the shell.

Remove 2 screws on the main board and check out the other side.

This is the front of the main board.

Replace this chip using the enhanced replacement chip in the package.

After replacing the chip, reinstall the VVDI MLB Tool.

Then you can use the MQB48 adapter to collect immo data.

NOTE: Both the device and the adapter need to be connected to a power supply !!!

How to Get MLB CS PIN with VVDI MLB Tool

By using with Xhorse VVDI MLB Tool, we can get the synchro, CS & Pin from the original key for backup. After successful MLB data collection and calculation, this data is available after the dealer key was generated. Detailed steps are as follows:

Step1. Identifiaction Key

Please place the key in the device identification area for identification.

Step2. Collect Key Data

Open the original car key, connect the original car key PCB as shown in the diagram, and click the collect key data button after connection. It will take about 3-4 minutes. The server takes approximately 10s to calculate. After the calculation is completed, please save the calculation results.

Step3. Make Dealer Key

Load the calculation data saved in the step2 and generate dealer keys. Then use VVDI2 or KEY TOOL PLUS for key learning.

Run VVDI2 software and select correspoding vehicle software, i.e Audi
Select Key Learn->MLB Immobilizer System.

Upload data read by MLB tool. Then you will get CS and PIN.

VVDI MLB Tool KYDZ Key Not Found or Locked?

Problem:

I cannot program the generated file in the new (KYDZ MLB) key. The Xhorse VVDI MLB Tool adapter recognizes the key, but at the time of programming it shows that it is not found or blocked. When I simply check the key, that see it.

Solution:

You can’t generate dealer key on kydz key with vvdi tool. If you want to use vvdi MLB tool only OEM virgin key or vvdi special key. Kydz works only with kydz MLB tool.

Xhorse MLB specialized key is not yet released. So use original key.

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Xhorse VVDI MLB Tool Read Porsche MLB Key Immo Data

How-to: read Porsche MLB Key Immo Data by Xhorse VVDI MLB Tool Key programmer.

Place the key in the device identification area and click OK for identification.

Read key ID and info. The key is locked.

Remove key shell and take out PCB.

Check wiring diagram. Need to remove capacitors.

Then solder wires to the key board.

Place the key in the VVDI MLB Tool identification area and click OK for identification again.

Select Collect key data.

Choose Collect original keys- points deduction. The calculation will deduct 200 points.

Online calculate immo data completed.

Save data.

Now you can make dealer key and learn MLB key.

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How to Add Audi Q7 2017 MLB Key with Xhorse VVDI MLB Tool

 Here we will show how to add a spare MLB on an Audi Q7 2017 using Xhorse VVDI Key Tool Plus and VVDI MLB Tool.

Procedure:

Connect VVDI MLB Tool with key tool plus via OTG converter.
Go to Immo programming->Audi->Select by type->MLB immobilizer systems

The function requires network connection
Place the original MLB key in the MLB tool identification area.

Step 1: Identify key
Sekect 1-Identify key information

This is the new MLB key, it is unlocked.

Step 2: Check the wiring diagram
Let’s remove the key board of the original MLB key.

Check wiring diagram Type 1 for Audi
Check if the wiring diagram is the same as your key board. It is the same as type 2 pinout.

Solder cable to original MLB key board according to different colors as wiring diagram
Need to remove 2 capacitors.
Then connect key board with MLB Tool.

Step 3: Collect Key data
Select 3-Collect key data
If use original key the calculation will deduct 200 remote points.
Calculation successfully.

Step 4: Generate dealer key
Select 4-Make dealer key.
Insert the new key into the key identification area of the VVDI MLB Tool.

Make dealer key successfully.

Resolder and install original key shell.

Step 5: Learn Key
Select 5-Learn key
Turn off the air conditioning and open the engine compartment cover before programming the key.
Inout number of keys to be learned: 2
Put 1st key close to the ignition
Load immo data to learn key
Learn 1st key
Put 2nd key close to the ignition
Learn 2nd key successfully.

Test both keys. All working fine.

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http://blog.vvdishop.com/xhorse-vvdi-key-tool-plus-adds-audi-q7-2017-mlb-key/