Checking The Power Supply And Ground For The Brake Control Module (BCM)

Check that the fuse for the control module is intact.

Check the power supply and ground for the brake control module (BCM) as follows.

Remedy as necessary.

Other information: 

• see CHECKING THE POWER SUPPLY, BRAKE CONTROL MODULE
• see CHECKING THE GROUND TERMINALS, BRAKE CONTROL MODULE
• see CHECKING WIRING AND TERMINALS

Fig 1: Breakout Box

Courtesy of VOLVO CARS CORPORATION

Fig 2: ABS Control Module

Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to CHECKING THE BRAKE CONTROL MODULE (BCM) 

• NO 

  Refer to CHECKING COMMUNICATION WITH THE BRAKE CONTROL MODULE (BCM)