Launch X431 x-prog3 has an integrated mqb2 calculator. There is now a MQB sync Data calculator built into to immo software. You don’t need to obtain sync data from 3rd party.
Supported MQB chip types:
There is a ‘Obtain sync data’ option under MQB NEC35XX All keys lost function
Launch x431 + xprog
with Integrated mqb2 calculator
You need to read the modules
Instrument panel CS code 16 bytes
Ecu 16 bytes CS code
Tcu 16 bytes CS code
ELV 16 bytes CS (if present)
Then you will get sync data for free.
The function is free. But has limitations each day. It will show the maximum limit of free uses has been reached.
Need to wait and calculate sync data the next day.
MQB NEC35XX wiring diagrams can be found on the tablet.
Here is an example of adding MQB NEC35XX spare key with Launch X431 IMMO Plus