Land Rover Discovery 2017–2019 — technical service bulletin
Bulletin SFCC_OCT19_21 · NHTSA communication 10167333 · issued Oct 28, 2019
Technical service bulletin
communication type
Power Train
component
2017–2019
model years
3
vehicle entries
Official summary
Customer may have a concern of engine speed fluctuation felt as a hesitation ¾ into the warm up phase at approximately 1500-2500 RPMS. This occurs with a constant throttle input.
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.