Chevrolet Bolt Euv 2023 — technical service bulletin
Bulletin N232404821 · NHTSA communication 10239496 · issued Jul 20, 2023
Technical service bulletin
communication type
Power Train
component
2023
model years
2
vehicle entries
Official summary
Service Update. Certain vehicles may have a condition in which the high voltage battery was shipped with incorrect labels. Dealers are to use a black paint pen to obscure the N2.2 chemistry note on the Battery data label.
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.