Mazda CX-30 2020–2024 — technical service bulletin
Bulletin SA-074-23 · NHTSA communication 10244585 · issued Oct 31, 2023
Technical service bulletin
communication type
Unknown OR Other
component
2020–2024
model years
5
vehicle entries
Official summary
A customers may experience a roof water leak. The symptoms may include: Water in the spare tire well, Water in the rear differential, Electrical malfunctions, Infotainment system no audio sound from radio or other audio sources due to Remote Tuner water intrusion. The source of the leak may be pinhole anywhere along the roof seams under the 2 trim strips (where the roof rails attach). Depending on the location of the leak, the headliner may or may not be visibly affected.
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.