Checking the control module

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

Compare the P/N with specification.

Fig 1: Brake Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Is it the right type? 

• YES 

  FAULT NOT FOUND:  Troubleshooting has been completed.

• NO 

  Refer to Replacing the component