Checking the function of the rear electronic module (REM)

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off
• Reconnect the connectors. Reinstall the components
• Ignition on.

  Check the power supply and the ground for the rear electronic module (REM) by switching on the rear fog lamp using the button on the dashboard.

  If the central electronic module (CEM) is definitely powered, the power supply for the rear electronic module (REM) can also be checked by pressing the brake pedal. The stop lamp must then light.

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  • Try to communicate with the rear electronic module (REM) by reading off the control module ID
  • Click on the symbol for VCT2000 to begin reading off

Can the control module ID be read out? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Information