Checking Diagnostic Trouble Codes (DTCS)

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• 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 Symbol In VIDA

  Courtesy of VOLVO CARS CORPORATION

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

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  The control module has previously registered a fault but the fault is no longer active. Check that the wiring is not too close to a source of interference such as a carphone etc.