Land Rover Range Rover 2020 — technical service bulletin
Bulletin NAS19.12.009 · NHTSA communication 10169923 · issued Dec 13, 2019
Technical service bulletin
communication type
Power Train
component
2020
model years
2
vehicle entries
Official summary
A potential issue has been identified on certain Land Rover vehicles within the listed Affected Vehicle may experience require less than optimum automatic transmission shift quality in the early life of the vehicle and require a Transmission Control Module (TCM) software update.
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.