Chevrolet Bolt EV 2017–2019 — technical service bulletin
Bulletin 22NA001 · NHTSA communication 10212618 · issued Jan 3, 2022
Technical service bulletin
communication type
Electrical System
component
2017–2019
model years
3
vehicle entries
Official summary
This service bulletin provides diagnostic aid information for dealers/technicians on HPCM2 Module Records Inaccurate Freeze Frame / Failure Record Data.
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.