Checking Diagnostic Trouble Codes (DTCs)

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on
• Read off diagnostic trouble codes (DTCs).

  Check to see if any other diagnostic trouble codes (DTCs) are stored. If other diagnostic trouble codes (DTCs) are stored, they may mean that it is not possible to run the adaptation of the engine control module (ECM).

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Are any other diagnostic trouble codes (DTCs) stored? 

• YES 

  Refer to Fault-tracing information 

• NO 

  Refer to Checking the status