Here’s the guide on programming a smart remote key on a VW Golf year 2011 UDS protocol with ID48 chip using OBDSTAR X300 DP (key master dp) via OBD.
Tools required:
OBDSTAR X300 DP tablet auto key programmer
OBDSTAR RFID adapter for VW AUDI SKODA SEAT 4 & 5 generation immobilizer
ID48 Chip/ ID48 key to be programmed

Procedure:
Connect Key Master DP with vehicle via OBD diagnostic socket
Turn on X300 DP and turn car ignition switch on
Select Diag Program->Immobilizer->VW/Audi/Skoda/Seat/VW->Program Key




Select 4th Generation Immo

Select Immo type: NEC 24C64 ICM

Select dash type: VDO-12

Step 1: Read EEPROM

save eeprom data

Step 2: Read Immo Data

OBDSTAR X300 DP tablet display registered key information
Make a record of the current screenshot

Step 3: Make Ordinary Dealer Key

You need to use RFID Immo adapter

Insert new ID48 key or ID48 chip into RFID adapter

Generate dealer key success

Step 4: Direct Add Key

Put the generated dealer key into RFID adapter

Add key success

Back to Immobilizer menu, select Read Immo Data to check the new key information

Select Program Remote->09-Central control

Test the new remote key

Success.
OBDSTAR X300 DP & RFID Adapter