Ducati Multistrada 950S 2019 Owner's Manual page 230

Entering the tyre pressure (accessory)
This "warning" indicates that it is necessary to enter
the tyre reference pressure through the SETTING
MENU (page 191).
Important
Ducati recommends that the values to be set as
a reference for the tyre pressure sensors are entered
as specified in paragraph "Tubeless Tyres" (page
355).
Every time you replace the tyres, set the pressure
values by respecting what Ducati specifies in
paragraph "Tubeless Tyres" (page 355).
INSERT
Fig 178
229