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Škoda Octavia III 2018 MQB no keyless, collect immo data with VVDI MLB Tool and MQB48 adapter OK.
Then generate dealer and learn key with key tool plus. Using xhorse mqb key.
After finishing the job you have to weld the original again.
Photos attached:
This is a tutorial on how to use Xhorse VVDI MLB Tool to add MQB48 Key without removing dash. In the process, you’ll also need Xhorse MQB48 Adapter to work together.
Step1. Read MQB48 Data
Open MLB Tool Software.
MQB48 >> Identification key >> OK
Collect key data >> OK
Server calculation successful!
Please place the key in the device identification area and click OK for verification.
Calculation finished, please restore the key to its original state. Click OK to save the MQB NEC35XX immo data, which can be used to generate dealer keys and key learning!
Save the dump file to utilize it for key programming with Xhorse devices.
Step2. Make Dealer Key
Transfer the saved file from the PC to the VVDI Key Tool Plus Programmer.
You have the option to program either an Xhorse MQB48 Key or an OEM key.
Immo programming >> EUROPE >> VW >> Select by type >> MQB instrument immo system >> Instrument – NEC35xx(Continental/VDO) >> Start programming >> Generate dealer key – Load immo data(we obtainded and copied) >> VW >> Prepare normal dealer key >> OK >> Yes >> Add key – You should have a working key
Input original working key to device and press OK.
Do you want to save the synchronize data? You can prepare a dealer key with synchronize data while lost all key.
Press Yes to save file.
Please input the new key into Key Tool Plus programmer.
Prepare dealer key success! Please learn the new dealer key to car!
Step3. Add Key
Learn key >> Yes >> Program keys, get the login code from immo data to login
Learn the key and get the login code from the immo file to log in. Insert the key into the ignition switch according to the prompt, you need to prepare all the keys of the car; the key that has not learned will not be able to start the car.
Input learning key number: 2
Is the new key with keyless? Yes
Please keep the key close to the sensing coil, then click OK.
Warning: before learning completed, please do not turn off the ignition(Do not press start button)!!!
Matching completed!
Please take the device out of the car and test whether the key’s intelligent function is normal, otherwise interference may occur.
Test the new key, it can work.
Done.
Problem:
Had a problem calculating immo data with Xhorse VVDI MLB Tool and MQB48 adapter.
Error: “Failed to query last calculation result. There’s no result in server.” Any idea?
Solution:
Do not check ‘Query last successful reset’ option.
Hit Collect key data to calculate immo data again.
NOTE:
Removing the wrong capacitor can cause the MQB chip to become unrecognizable, making it impossible to collect data.
After reading the data, the capacitor must be restored; otherwise, the key cannot be programmed to car.
Here we will show how to calculate VAG MQB48 NEC35XX immo data with Xhorse VVDI MLB Tool and MQB48 adapter.
Model example: Audi Q2.
Tools used:
VVDI MLB Tool
MQB48 adapter
Original key
A new key to be programmed
Before using MQB48 adapter, we should modify MLB tool firmware as following:
How to Update VVDI MLB Tool Firmware to Use MQB48 Adapter?
Then we start to read immo data with MLB tool.
Run VVDI MLB Tool software. Choose MQB48 function and check wiring diagram.
Select corresponding wiring diagram. Here the key board is the same as type 5.
Need to solder 2 wires, black wire and red wire.
Remove a capacitor, the solder the red wire (near the IC position).
Open the original key shell.
Remove a capacitor as shown in the wiring. Then solder two wires.
Connect Xhorse XDMQBAGL MQB48 Adapter with MLB Tool.
Connect Key board with MQB48 adapter. Place the key to coil of MQB48 adapter in the vertical direction.
The MQB48 adapter has strict power supply requirements during data collection. Use two separate USB cables to power the MLB main unit and the MQB48 collector. Do not use charging adapters.
The MLB main unit does not require 12V power.
Then connect MLB Tool with PC via USB cable.
Read key information. Read Key ID successfully.
Press Collect Key data.
Collecting key data and calculating immo data.
Calculation finished. Restore key back to original status. Save MQB NEC35XX immo data.
Data Collection Time:
Good power supply: ~15 minutes for data collection, ~1 minute for immobilizer data calculation.
Average power supply: ~30–60 minutes for data collection, ~1 minute for calculation.
Resolder the capacitor back to the key. Reinstall key shell. This is very important !!!
NOTE:
Removing the wrong capacitor can cause the MQB chip to become unrecognizable, making it impossible to collect data.
After reading the data, the capacitor must be restored; otherwise, the key cannot be programmed to car.
If need to connect MLB tool with key tool plus to calculate MQB48 immo date, make connection like this:
Note: Tablets with a single Type-C port have poor power stability, leading to longer collection times and lower success rates. Strongly recommend using a PC.
Connect VVDI2 or VVDI Key Tool Plus with vehicle via OBD connector.
Go to MQB anti-system system (NEC35XX Continental/VDO), read cluster info.
Load immo data saved by MLB Tool.
Then generate dealer key and learn key.
Problem:
Successfully add a spare VVDI MLB key to an Audi Q7 2019 using VVDI MLB Tool and vvdi2.
After programming,press the buttons of the key, the light turns on for 3-4 seconds and then goes off.
Solution:
In VVDI MLB Tool software, go to Update Online->Upgrade OEM keys to update VVDI MLB key and try again.