Checking diagnostic trouble codes (DTCs)

Fig 1: Identifying Ignition Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition on
• Read off the status of the diagnostic trouble code (DTC).
  Fig 2: Identifying VCT2000 Diagnostic Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the status of the diagnostic trouble code (DTC) intermittent? 

• YES 

  Refer to Intermittent fault 

• NO 

  Refer to Fault-tracing information