Land Rover Defender 2020–2026 — technical service bulletin
Bulletin SSM76487 - 20AUG26 · NHTSA communication 11037117 · issued Aug 21, 2026
Technical service bulletin
communication type
Unknown / Other
component
2020–2026
model years
7
vehicle entries
Official summary
Air Conditioning Inoperative / Intermittent Operation
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.