Other diagnostic trouble codes (DTCs)

The immobilizer function is integrated in the central electronic module (CEM).

This diagnostic trouble code (DTC) can be caused by missing CAN communication. If there are diagnostic trouble codes (DTC) stored in the central electronic module (CEM), fault trace accordingly.

Read off the diagnostic trouble codes (DTCs) for the central electronic module (CEM).

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Were there any diagnostic trouble codes (DTCs) stored in the central electronic module (CEM)? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to Replacing and programming the engine control module (ECM)