Intermittent fault

Check ground terminal 31/6 at the A-post. Check for intermittent contact resistance and oxidation.

Check the 4-pin connector and connector 54/3RF (passenger compartment cable harness - engine compartment cable harness). Check for damage to the terminals and pins.

Check the connectors for the gear selector module (GSM) and for the shift lock solenoid. Check for an intermittent contact resistance.

Check the cable between the gear selector module (GSM) and the shift lock solenoid. Check for an intermittent short-circuit to ground.

Remedy as necessary.

Fig 1: Identifying Ohm Meter

Courtesy of VOLVO CARS OF NORTH AMERICA.

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