TCM-Dd01: Control Module Communication. Communication Fault (B5254T4, TF-80SC AWD; 2006-2007): Fault-tracingTCM-DD01: Verification: Verification

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

Fig 1: Identifying Ignition On Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector(s) Reinstallation

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.
• Reinstall the connectors, components etc.
• Ignition on.
• Check if the communication with Gear selector module (GSM) works by moving the gear selector to position Man. Then move the gearshift selector toward both + and -, and check that the value has been updated in the driver information module's display window.

  The fault is permanent if the value does not change.

  If the value changes, this indicates that the fault is intermittent, i. e. the fault was present previously but is not active at the moment.

  Fig 3: Identifying VCT2000 Diagnostic Tool

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the status change? 

• YES 

  VERIFIED:  Troubleshooting has been completed.

• NO 

  Refer to Information