The KEYDIY FGB25/FGB08 Smart Key series is the definitive solution for Volkswagen original key ID modification and frequency restoration. Use these tools to synchronize key data with official dealer servers and ensure 100% compatibility during vehicle service.
Core Functions
The KEYDIY FGB25/FGB08 keys are designed for high-end automotive locksmithing. Key features include:
Identification Chip Support: Fully compatible with 5C and 46 chip architectures.
Frequency Generation: Fixes “no frequency” issues after battery replacement by regenerating the signal.
Original ID Alignment: Allows writing specific IDs to match the data stored on Volkswagen’s official servers, preventing issues during official after-sales repairs.
Advanced 5D Integration: Supports BMW (CAS4, FEM, BDC) and Audi 5D functions when used with KEYDIY Clamp Adapter.
Step-by-Step ID Modification Tutorial
Follow this streamlined process to modify your original key ID:
1. Device Setup: Connect to KEYDIY KD X4 device and select: Immo programming >> Volkswagen >> 5C/5D immobilizer system >> Start execution.
2. Hardware Connection: Insert the 9# KEYDIY Clamp Adapter into the device. For precise reading, use the dual-pin cable and cardboard plate provided.
3. Read Original Data: Click “Start to Read” to extract the current service code and ID.
4. Enter New ID: Plug 2# KEYDIY Clamp Adapter into KD-X4 device. Check the key ID: 63366333. Manually enter the target ID (e.g., 12345678)>> Write
5. Write and Confirm: Execute: Generate Key >> Original Key(Non-vehicle). Note that a fee of 100 K-coins or $2 is deducted per unique key.
6. Verification: Re-identify the key to ensure the ID matches your input.
