Mazda MAZDA3 2014–2016 — technical service bulletin
Bulletin SA278 · NHTSA communication 10186919 · issued Jan 1, 2017
Technical service bulletin
communication type
Equipment
component
2014–2016
model years
3
vehicle entries
Official summary
With manual A/C - Air temperature will not change.
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.