Faulty Communication: Verification

HINT: Once a fault has been repaired, conduct a verification to check that the fault has been remedied. 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

• Reinstall the connectors, components etc.
• Ignition on
• Erase diagnostic trouble codes (DTCs) in all control modules
• Start the vehicle. Allow the vehicle to run for 10 minutes.

  Read off diagnostic trouble codes (DTCs).

  Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS CORPORATION

Does the diagnostic trouble code (DTC) for faulty communication return? 

• YES 

  The fault should have been detected and remedied. As this is not the case fault-tracing has failed. Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

• NO 

  Troubleshooting has been completed.