Land Rover Range Rover 2019–2022 — technical service bulletin
Bulletin N861 Range Rover 16JUN26 · NHTSA communication 11034884 · issued Jun 16, 2026
Technical service bulletin
communication type
Electrical System
component
2019–2022
model years
9
vehicle entries
Official summary
48V Mild Hybrid Electric Vehicle (MHEV) battery enters an offline state and no longer communicates or functions as intended. This can result in illumination of the Malfunction Indicator Lamp (MIL) ,loss of start/stop functionality and no communication during diagnostic sessions.
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.