Land Rover Defender 2020–2021 — technical service bulletin
Bulletin JLRTB02059NAS2 · NHTSA communication 10189736 · issued Mar 25, 2021
Technical service bulletin
communication type
Equipment
component
2020–2021
model years
4
vehicle entries
Official summary
Incorrect Operation of Climate Control Air Distribution
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.