Mazda MAZDA3 2019–2022 — technical service bulletin
Bulletin 08-001-22c · NHTSA communication 10218725 · issued Aug 10, 2022
Technical service bulletin
communication type
Air Bags
component
2019–2022
model years
4
vehicle entries
Official summary
Some vehicles may exhibit that the air bag warning light turns on or repeats cycles of turning on and off with DTC B1126:13 and/or B1127:13 stored in memory. - B1126:13 - Driver-side side air bag module circuit open circuit or resistance high - B1127:13 - Passenger-side side air bag module circuit open circuit or resistance high This issue is caused by any of the following: - When the driver or passenger moves, a load is applied to the seat back and the load may cause displacement of the mating terminals in the side air bag module connector, resulting in insufficient contact and higher resista
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.