Control Unit. Passenger Door Module (PDM). Switch Doors.
Door Lock Switch.

CONTROL UNIT

Fits C40, S60, S90, V60, V60 Cross Country, V90, V90 Cross Country, XC40, XC60, XC90

Variant code: C101. Variant code: C101 and FV01. Variant code: C102.
Door Lock Switch
You push your door lock switch and nothing happens. Now what? Bring your 2021 Volvo V90 Cross Country in to have a technician take a look at your lock button. It may simply need to be replaced.