BMW X5 2019–2020 — technical service bulletin
Bulletin B520420 · NHTSA communication 10179000 · issued Jul 1, 2020
Technical service bulletin
communication type
Seats
component
2019–2020
model years
4
vehicle entries
Official summary
SOFTWARE UPDATE FOR SEAT CHECK CONTROL MESSAGES: There is an operating failure with various Check Control (CC) messages displayed regarding seat adjustment of the second and third row of seats.
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.