Mazda MAZDA3 2019–2022 — technical service bulletin
Bulletin eFC-1-21-00443a · NHTSA communication 10233663 · issued Mar 24, 2023
Technical service bulletin
communication type
Air Bags
component
2019–2022
model years
4
vehicle entries
Official summary
A Technical Service Bulletin (TSB 08-001 /22 - AIR BAG WARNING LIGHT ON WITH OTC B1126: 13 OR B1127:13) has been released to repair 2019-2022 Mazda3 with OTC B1126:13/B1127:13. Follow the TSB to repair the vehicle before replacing the airbag module. MC is working on a separate TSB for 2020-2022 CX-30.
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.