Checking Communication With The Gear Selector Module (GSM)

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS CORPORATION

Ignition on
Gear selector in position P
Check whether communication with the gear selector module (GSM) works by reading off the winter mode selector (W) status
Connect and disconnect the function by pressing the switch. The status should change.
The fault is permanent if the value does not change.

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

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA (Volvo Scan Tool)
Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Shifter
Courtesy of VOLVO CARS CORPORATION