Nissan Altima 2021–2023 — technical service bulletin
Bulletin NTB20-075D · NHTSA communication 10231859 · issued Feb 10, 2023
Technical service bulletin
communication type
Electrical System
component
2021–2023
model years
9
vehicle entries
Official summary
SOFTWARE UPDATE POP-UP NOTIFICATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Discard all previous versions of this bulletin.
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.