Mazda CX-30 2019–2023 — technical service bulletin
Bulletin 09-012-23 · NHTSA communication 10232285 · issued Feb 9, 2023
Technical service bulletin
communication type
Seats
component
2019–2023
model years
9
vehicle entries
Official summary
Some customers may complain that the seat warmer does not operate when turning the ignition on while the seat is warm but when turning the ignition off then on again, the seat warmer begins to operate appropriately. DTCs â B1030:13â and/or â B1032:13â are stored. This is caused by the seat warmer's fail-safe mode which prevents it from working during the initial drive cycle. To correct this issue, the seat warmer has been modified to optimize the temperature control. B1030:13 Seat warmer unit (LH) circuit malfunction (Heater side), B1032:13 Seat warmer unit (RH) circuit malfunction (Heater sid
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.