Volvo XC40 2018–2021 — technical service bulletin
Bulletin TJ34532.2.0-2021 · NHTSA communication 10187455 · issued Jan 29, 2021
Technical service bulletin
communication type
Structure
component
2018–2021
model years
4
vehicle entries
Official summary
This is a Technical Journal: Gurgling sound from sunroof area, while driving in the rain
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.