Land Rover Defender 2015–2020 — technical service bulletin
Bulletin SFCC_MAR2021_48 · NHTSA communication 10190078 · issued Mar 16, 2021
Technical service bulletin
communication type
Structure
component
2015–2020
model years
10
vehicle entries
Official summary
Water Leak from Windshield
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.