Nissan Sentra 2021 — technical service bulletin
Bulletin NTB21-067A · NHTSA communication 10234061 · issued Mar 23, 2023
Technical service bulletin
communication type
Equipment
component
2021
model years
1
vehicle entries
Official summary
HIGH FREQUENCY NOISE WITH AUDIO SYSTEM DISPLAY ON This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard 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.