Nissan Sentra 2021 — technical service bulletin
Bulletin PM984 2021 Sentr · NHTSA communication 10199178 · issued Jun 17, 2021
Technical service bulletin
communication type
Electrical System
component
2021
model years
1
vehicle entries
Official summary
Audio Control Unit Reprogram Dealer Inventory *****Dealer Announcement***** Nissan is conducting a quality action to reprogram the Advanced In Vehicle Infotainment (AIVI) control unit with updated software on 6,519 specific model year 2021 Nissan Sentra vehicles. Due to a program logic concern, the audio system does not sleep after receiving a message to â Go to Sleepâ from the Body Control Module (BCM). As a result, the standby current becomes high causing the battery capacity to be gradually discharged, which may result in the customer unable to start the vehicle. Affected vehicles are subje
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.