Checking the control module

Check that the control module is equipped for STC (TRACS if the car is equipped with TRACS).

Compare P/N with specification.

Fig 1: Identifying Brake Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the correct type of control module installed? 

• YES 

  FAULT NOT FOUND:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the control module equipped for STC