Land Rover Range Rover 2020 — technical service bulletin
Bulletin BIG5_DEC_43a · NHTSA communication 10169859 · issued Dec 20, 2019
Technical service bulletin
communication type
Power Train
component
2020
model years
2
vehicle entries
Official summary
DRIVEABILITY IMPROVEMENTS - Powertrain Control Module (PCM) and Transmission Control Module (TCM) software.
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.