Checking diagnostic trouble codes (DTCs)

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Check the brake control module (BCM) connector. Check for contact resistance and oxidation
• Wait a couple of seconds
• Ignition on
• Read off diagnostic trouble codes (DTCs).

  Replace the brake control module (BCM) if diagnostic trouble code (DTC) BCM-0050 is still stored as a permanent fault.

  Other information 

  • To replace the control module, see Brake Control Module (BCM), replacing
  • See Contents
  Fig 2: Identifying VCT2000 Diagnostic Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was diagnostic trouble code (DTC) BCM-0050 stored as a permanent fault? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Fault-tracing information