KEYDIY KD MP Tool supports MLB/MQB key identification, data collection, calculation, and dealer key generation. And we received the feedback that:

KD-MP works fine when reading MLB keys, but several MQB48 keys give this error message.

Server self-check failed!
1. Check if the solder points on the board are re-soldered
2. Change the board position and exclude erwironmental interference
3. Check if the wiring is correct according to the wiring diagram

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Solution:

Please update KD MP firmware to newest 1.8.7

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