Mazda CX-90 2024 — technical service bulletin
Bulletin SA-062-23 · NHTSA communication 10244568 · issued Oct 16, 2023
Technical service bulletin
communication type
Electrical System
component
2024
model years
1
vehicle entries
Official summary
Some customers may experience a "Push Button Start Malfunction. Have the Vehicle Inspected" warning message and the following DTC(s) may be stored. C0040:24 - Brake switch (No.1 signal) circuit malfunction P0504:00 - Brake switch system: Circuit malfunction
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.