Nissan Sentra 2021 — technical service bulletin
Bulletin REVISION 2 PM991 · NHTSA communication 10219013 · issued Aug 25, 2022
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Audio Control Unit Reprogram Voluntary Service Campaign UPDATE August 25, 2022 Please discard earlier versions of this bulletin. The announcement from August 10, 2021 has been revised to include the following: â ¢ NTB21-066 has been amended with the following changes: ï § Battery replacement will no longer be covered under this activity. The battery inspection and replacement operation has been removed from this campaign. Op codes PM9914 and PM9913 no longer apply for this activity. ï § USB drive information has been updated.
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.