Chevrolet Bolt Euv 2022–2023 — technical service bulletin
Bulletin N222369401 · NHTSA communication 10217878 · issued Aug 16, 2022
Technical service bulletin
communication type
Power Train
component
2022–2023
model years
4
vehicle entries
Official summary
Certain vehicles are to receive a software update to improve the original Advanced Diagnostic Software. This software update reduces false diagnostic activation in certain vehicles under certain driving conditions, and prevents diagnostic data loss. Dealers are to reprogram the Hybrid Powertrain Control Module 2 (HPCM2).
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.