Chevrolet Bolt EV 2017–2021 — technical service bulletin
Bulletin 17NA097 · NHTSA communication 10212549 · issued Dec 17, 2021
Technical service bulletin
communication type
Visibility
component
2017–2021
model years
5
vehicle entries
Official summary
This service bulletin provides a procedure to apply butyl tape to the object sensing alert module brackets to correct a side blind zone not working correctly or Side Mirror Notification condition.
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.