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Home >> Volvo >> 2009 >> S80 Base >> Repair and Diagnosis (Single Page) >> Brakes >> Traction Control >> Brake Control Module (BCM) - Specifications, Other >> Brake Control Module (BCM) >> Description Of Activations >> Activating All Versions >> Pump Motor
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Pump Motor

Activating the hydraulic modulator pump motor.

The pump motor should "hum".