Honda Civic 2016–2021 — technical service bulletin
Bulletin A23-012 · NHTSA communication 10234575 · issued Apr 5, 2023
Technical service bulletin
communication type
Visibility
component
2016–2021
model years
11
vehicle entries
Official summary
Service Bulletin - Customers have complained of the air conditioning system not blowing cold air due to the oil/refrigerant leak from the A/C compressor main shaft seal.
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.