Chevrolet Bolt Euv 2023 — technical service bulletin
Bulletin N232404820 · NHTSA communication 10239495 · issued Jul 20, 2023
Technical service bulletin
communication type
Electrical System
component
2023
model years
2
vehicle entries
Official summary
Service Update. Certain vehicles may have been serviced in which the high voltage battery used had a different chemistry from the OEM high voltage battery. Dealers are to update the vehicle calibration to a high voltage battery pack with N2.2 chemistry.
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.