Problem:
One of our customers tried to add a spare key to Audi Q7 2020 with the Xhorse VVDI MLB Tool. However the tool failed to collect key data.
Error “Key data calculation failed”.
Common Issues with Collection Failures
- VCC1 and VCC2 are reversed.
- The capacitors were removed incorrectly or not removed.
- Short circuit in soldering.
- Data collection requires wireless reading of the key simultaneously; if the key is not positioned correctly, it will not be detected.
Check the above and collect key data again.
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