Honda Civic 2016–2018 — technical service bulletin
Bulletin A19-012 · NHTSA communication 10230495 · issued Jan 11, 2023
Technical service bulletin
communication type
Visibility
component
2016–2018
model years
3
vehicle entries
Official summary
Service Bulletin - This bulletin is replaced by S/B 19-033, Warranty Extension: 2016-18 Civic 1.5L: Software Update with A/C Control Unit Replacement; DTC P0300, P0301, P0302, P0303, P0304, or P0172; Whirling Noise from Engine.
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.