Land Rover Discovery 2015–2018 — technical service bulletin
Bulletin N221NAS4 · NHTSA communication 10173515 · issued Mar 20, 2020
Technical service bulletin
communication type
Visibility
component
2015–2018
model years
5
vehicle entries
Official summary
An issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle Range where water ingress into the passenger compartment or wind noise may be evident.
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.