Chevrolet Bolt EV 2017–2020 — technical service bulletin
Bulletin PIC6372A · NHTSA communication 10178349 · issued Jun 26, 2020
Technical service bulletin
communication type
Electrical System
component
2017–2020
model years
4
vehicle entries
Official summary
This Preliminary Information communication advises the technician that the MSD (manual service disconnect) will need to be order only through WPC (warranty parts center) at this time until all stock has been checked and verified.
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.