Land Rover Discovery 2017–2021 — technical service bulletin
Bulletin SFCC_JAN2021_35 · NHTSA communication 10186729 · issued Jan 19, 2021
Technical service bulletin
communication type
Power Train
component
2017–2021
model years
10
vehicle entries
Official summary
There is a restricted performance message in the instrument pack and a Check Engine MIL.
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.