Land Rover Defender 2020–2022 — technical service bulletin
Bulletin N796 · NHTSA communication 10239027 · issued Jun 21, 2023
Technical service bulletin
communication type
Electrical System
component
2020–2022
model years
10
vehicle entries
Official summary
Vehicles are failing to complete Software Over The Air SOTA updates, specifically Vehicle Domain Controller VDC PIVI and Gateway Module A GWM.
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.