Land Rover Defender 2020–2022 — technical service bulletin
Bulletin Defender_N811_19JUL24 · NHTSA communication 11006127 · issued Jul 20, 2024
Technical service bulletin
communication type
Unknown OR Other
component
2020–2022
model years
3
vehicle entries
Official summary
A potential concern has been identified where customer could be left with a nonfunctioning vehicle as a result of a depleted battery State of Charge due to the door modules staying awake. Retailers will perform a software update to all door modules
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.