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Home >> Volvo >> 2021 >> S90 T6 R-Design >> Repair and Diagnosis >> Brakes >> Mechanical - Hydraulic >> Brakes - Hydraulic/Vacuum-Hydraulic - Design >> (Motor, Vacuum Pump) >> Motor, Vacuum Pump (6/114) [2018-2022, B4204T28] >> Diagnostic Information

Diagnostic Information

The vacuum pump motor does not have a built-in diagnostic system. The Vehicle Dynamics Domain Master (VDDM) monitors the pump via the vacuum pump module and sets DTCs.

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