Test: 2013 Audi A3 all keys lost with vvdi prog and vvdi2.
OBD method: prepare a dealer key immediately with OBD
Menu – key learn – lost all keys – obd prepare key
BDM method: prepare service mode eeprom dump
A3/TT/R8 instrument with Micronas CDC3217/3297+24C32
- enter into diagnostic “03 ABS Brake”
record ABS coding
- find 24c32 chip from dashboard
read 24c32 chip with BDM programmer
save the dump file
- use “prepare 24c32 service eeprom” make service eeprom dump
write service eeprom dump to 24c32
restore dashboard to the car
- back to the main window for obdii operation
- read immo data and save them
prepare a dealer key (important!!!
- add the key to the car directly
- reset dashboard
- if abs lost coding, restore it
if car has keyless, learn the key with immo data
Images:
Credits to Mohsin Sabrin
