Vespa Diag

Steel Bytes

Vespa Diag app icon
100+Free
Auto & VehiclesEveryoneVersion 2.4.4Updated 4/28/2026, 4:53:42 AM
Open in Store
For Piaggio bikes and scoots with an MIU G4 ECU.
eg Vespa GTS 300HPE, Beverly 400HPE, MP3 310HPE, MotoGuzzi V7 E5.

*** A cable is needed. See https://steelbytes.com/vespadiag/cable/

* DTC reading & clearing
* Live data
* Piaggio proprietary commands
* Read and Write BIN (maps)
* Read and Write EEPROM (key codes etc)
* Clear keys and remove speed limit

Note: This app does not collect data even though Google insists that I do.
Developer email
support@steelbytes.com
Released
Aug 1, 2025
Current version
2.4.4
Android version
6.0

Screenshots

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