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Home >> Volvo >> 2021 >> S90 T6 R-Design >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Electrical Equipment - Design >> (Rear Door Module RDM) >> Rear Door Module RDM (4/215 - 4/216) [2017-2022] >> Connection And Communication

Connection And Communication

The rear door modules are LIN slaves and communicate with the front door modules, either the Driver Door Module (DDM) or the Passenger Door Module (PDM).