FixVault

Remove the control module

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Locating Pump Motor Connector & Screws
GLL104594Courtesy of VOLVO CARS OF NORTH AMERICA.

Remove: 

Carefully lift the control module.