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. he status should change.
The fault is permanent if the value does not change.

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

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