Checking The Wiring

Fig 1: Identifying Ignition OFF

Courtesy of VOLVO CARS CORPORATION

• 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 CORPORATION
  Fig 3: Identifying Ohms Display

  Courtesy of VOLVO CARS CORPORATION

Was a fault detected? 

• YES 

  Refer to VERIFICATION 

• NO 

  Refer to CHECKING THE CONTROL MODULE