Water entry to the vehicle from the HVAC drain hose being disconnected from the air conditioning radiator...

Bulletin number

TSB002123

Component

Visibility: defroster/defogger/HVAC system

Summary

TSB: Some 2020 ? 2022 model year Highlander and RAV4 vehicles, and 2022 model year Tundra vehicles equipped with a start/stop switch may exhibit water entry to the vehicle from the HVAC drain hose being disconnected from the air conditioning radiator assembly and/or a grease/oil odor emitting from the vents. This condition may be caused by paraffin wax leaking from the evaporator. Follow the repair procedure in this bulletin to address this condition.

Owners of these vehicles have filed 98 complaints in the visibility category.