Land Rover Defender 2023–2024 — technical service bulletin
Bulletin Defender_N846_20DEC24 · NHTSA communication 11012666 · issued Dec 20, 2024
Technical service bulletin
communication type
Electrical System
component
2023–2024
model years
2
vehicle entries
Official summary
Belt Integrated Starter Generator (BISG) Charging Inoperative on First Startup
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.