Communication problems with the engine control module (ECM): Verification

HINT: After carrying out the repair, check that the fault has been remedied. 

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

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• Ignition off
• Reconnect the connectors, reinstall components etc.
• Test drive the car. See Test Drive Form (DSTC (dynamic stability and traction control)/brake control module), description
• Ignition on.

  Read off the status of the diagnostic trouble code (DTC).

  Fig 3: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

  Courtesy of VOLVO CARS OF NORTH AMERICA.

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

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information