Guide to program VAG 4th generation immobilizer Magneti Marelli engine NEC+35XX all keys lost with Xhorse VVDI2 VAG key programmer.
VVDI2 Copy 48 Transponder Authorization (English version is not yet available)
Xhorse ID48 Chip (OEM key)
Step 1: Read 95320 eeprom data
Read CPU IC 95320 eeprom data with VVDI Prog and save data
Step 2: Calculate CS and PIN
Open VVDI2 VAG software->Special Function-> EEPROM Dump Tool->Benzina MM7GV (Polo, Skoda) NEC35XX Dump 95320->Upload data
Calculate CS and PIN
Take a screenshot or write down CS and PIN
Step 3: Program Dealer Key
Re-install ECU back to vehicle
Connect VVDI2 key programmer with vehicle
Select Key Learn->4th Immobilizer->Copy ID48 transponder
Select 2nd option: having dump CS and PIN
Manually enter CS and Pin calculated from Step 2
Select Collect data
Must connect laptop with internet to calculate key data
Then save data
Data generated can be used to copy key, generate key, generate dealer key and learn key.
Here all keys have lost, so press NO to continue
Put OEM key (ID48 chip) into VVDI2’s coil and click on YES
Generated dealer key completed and locked
Program key success. Try to start car with the new key.