Land Rover Range Rover 2018–2019 — technical service bulletin
Bulletin LTB01283NAS1 · NHTSA communication 10158980 · issued Mar 19, 2019
Technical service bulletin
communication type
Equipment
component
2018–2019
model years
4
vehicle entries
Official summary
On with the air ionization feature, high pitch whistle noise may be evident from the passenger compartment center air vents.
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.