Porsche PIWIS v15900 description of the catalogue:

Supplements to the scope of Version 30.000 in the PIWIS Tester
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Diagnostics:
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997 Carrera GTS:
- DME DFI: new data records
- PSM, instrument cluster, gateway: coding expanded for Carrera GTS

997 Speedster:
- Convertible-top control unit: new variant with reduced scope

997 Turbo, 997 Turbo S:
- DME DFI: data records updated