Land Rover Range Rover 2019–2021 — technical service bulletin
Bulletin BIG5MAR21_46 · NHTSA communication 10189974 · issued Mar 12, 2021
Technical service bulletin
communication type
Power Train
component
2019–2021
model years
6
vehicle entries
Official summary
Engine stumbles, misfires and rough running at idle with a potential MIL illumination.
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.