Nissan Sentra 2021 — technical service bulletin
Bulletin NTB21-053A · NHTSA communication 10201211 · issued Aug 2, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
2021 SENTRA; NO START DUE TO BATTERY DISCHARGE THROUGH AUDIO UNIT This bulletin has been superseded by: NTB21-066 VOLUNTARY SERVICE CAMPAIGN 2021 SENTRA; AUDIO CONTROL UNIT REPROGRAM Campaign ID: PM991 Please discard previous versions of this bulletin.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.