Checking the wiring

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

  Check the communication cable between gear selector module (GSM) terminal #2 and transmission control module (TCM) terminal #B21. Check for short-circuit to ground.

  Other information 

  • To connect the breakout box, see Connecting breakout box, Transmission control module (TCM)
  • For information about signals, see Signal description. Transmission control module (TCM)
  • To replace the printed circuit board (standard), see Printed circuit board gear selector assembly / top panel, replacing
  • To replace the printed circuit board (geartronic), see Printed circuit board gear selector assembly / top panel Geartronic, replacing
  • See Checking wiring and terminals
  Fig 2: Identifying 6-Pin Connector Terminals

  Courtesy of VOLVO CARS OF NORTH AMERICA.
  Fig 3: Identifying Ohm Meter

  Courtesy of VOLVO CARS OF NORTH AMERICA.

Was a fault detected? 

• YES 

  Refer to Verification 

• NO 

  Refer to Checking the control module