Checking the control module

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Brake Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Check that the control module is of the correct type depending on whether the car is equipped with TRACS or not.
Check that none of the pins or sockets on the connector are damaged.
Check that no dirt is on the mating surface between the control module and the hydraulic modulator.
Check that no part of the control module seals remain on the hydraulic modulator valves.