Chevrolet Blazer EV 2024 — technical service bulletin
Bulletin 23-NA-227 · NHTSA communication 10250509 · issued Feb 6, 2024
Technical service bulletin
communication type
Equipment
component
2024
model years
2
vehicle entries
Official summary
This technical bulletin provides repair information to correct a customer concern of Radio Software Version W27E-172.5.1-M169-SQBR4-126.1 â Multiple Updates for IVD.
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.