Chevrolet Bolt Euv 2021–2022 — technical service bulletin
Bulletin PIE0673A · NHTSA communication 10211938 · issued May 6, 2022
Technical service bulletin
communication type
Equipment
component
2021–2022
model years
3
vehicle entries
Official summary
This engineering information (EI) closure ends the need for further information from the field in regards to poor cooling and/or defogging performance of the A/C system.
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.