According to the Japanese automaker, the inflators may pose an increased risk of injury to the vehicle's occupants in the event of a collision.
Model codes for the recalled LandCruisers are as follows: HDJ100, HZJ105, UZJ100, UZJ200 and URJ202.
Affected units were produced from April 2002 through October 2016, The VIN ranges for these vehicles can be viewed here. Depending on the model code, it could be either the driver's side or passenger's side airbag that is affected.
It's been confirmed by the company that this is not a Takata-related airbag recall, with nine Landcruiser 100 and 23 Landcruiser 200 vehicles affected.
Owners will be contacted via mail by Toyota Australia, and will be invited to make an appointment with their local dealer to arrange the replacement of their airbag assembly free of charge.