Checking the communication with the driver door module (DDM)

HINT: The CAN communication with the control module is probably OK if the control module ID can be read off. The fault is probably intermittent and may therefore be difficult to locate. 

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on
• Try to communicate with the driver door module (DDM) by reading off the control module ID
• Click on the symbol for VCT2000 to begin reading off

• Continue 

  Refer to Signal missing