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Home >> Volvo >> 2021 >> S90 T8 Recharge R-Design >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Electrical Equipment - Design >> (Passenger Door Module (PDM)) >> Passenger Door Module (PDM) (4/214) [2017-2022] >> Diagnostic Information
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Diagnostic Information

The Passenger Door Module (PDM) has a built-in diagnostic system, which continuously monitors the control module and the input and output signals.