Mazda MAZDA3 2019–2020 — technical service bulletin
Bulletin RF-23-07 · NHTSA communication 10237219 · issued May 22, 2023
Technical service bulletin
communication type
Equipment
component
2019–2020
model years
2
vehicle entries
Official summary
Part BEMD-50-M40C has been discontinued.
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.