We’ll walk through the process of reading EEPROM and immobilizer (immo) data from a 2020 Seat Leon MQB dashboard cluster and add a spare key using Xhorse VVDI Prog and VVDI2 key programmer.
Tools Required
- Xhorse VVDI Prog
- MQB Adapter
- MQB license
- VVDI2 or VVDI key tool plus
Step 1: Disassembling the Dashboard Cluster
- Remove all screws securing the instrument cluster.
- Open the dashboard carefully to access the processor (MCU).
- Identify the processor type to determine which MQB adapter is needed.
- The adapter must sit perfectly on the board. If misaligned, the tool may fail to read data (showing errors or incomplete extraction).
Step 2: Reading the EEPROM Data with VVDI Prog
- Connect the Xhorse MQB adapter to the processor.
- Start the reading process—the tool will extract the EEPROM data.
- Once complete (100% progress), save the file
Step 3: Extracting Immobilizer Data
- Open VVDI2 software and select:
- Seat > Leon > MQB > BCM (Body Control Module)
- Load the saved EEPROM file.
- The software will calculate and generate an immo data file
The tool connects to a server to generate immo data, so a stable internet connection is necessary.
Step 4: Programming the New Key
- If inside the car:
- Connect the vvdi2, load the immo file, and follow the prompts.
- For adding a key, use the existing key for authentication.
- For all-key-lost cases, sync data is required.
- Insert the new key when prompted, and the system will sync it.
