Problem:
Skoda Octavia 2017 year. MQB, OEM key. Try to add a spare key with Lonsdor K518ISE key programmer.
Backup EEPROM – Ok.
Backup immo data – Ok.
Make dealer key – Ok.
Program key(OBD) Spare Key # 3- Failed!
Error: Communication is unexpectedly interrupted.
P.S.
OBDSTAR X300 DP Plus helps prepare dealer key as always! 5 minutes and the key is ready!
Solution:
No problem with classic and keyless too.
use learn key no direct add key…. after make dealer ley unplug the car battery.
Learn key, and not program key.