Mazda CX-30 2020–2021 — technical service bulletin
Bulletin SA-040-22 · NHTSA communication 10215246 · issued Jun 15, 2022
Technical service bulletin
communication type
Exterior Lighting
component
2020–2021
model years
2
vehicle entries
Official summary
Some customers may report hearing noise from their headlamps. While some noise is normal from the electric motor, if it is louder in one headlamp than the other or both are significantly louder than a known good vehicle, follow the steps below to repair.
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.