Mazda CX-30 2019–2020 — technical service bulletin
Bulletin SA-040-20a · NHTSA communication 10174677 · issued Apr 2, 2020
Technical service bulletin
communication type
Equipment
component
2019–2020
model years
6
vehicle entries
Official summary
Key Transmitter Power Saving Function: When the key transmitter Power Saving Function is turned ON, transmitter battery power consumption is restricted, thereby extending the transmitter battery life. IMPORTANT: ï · The engine will not start unless the key transmitter is held over the Start Stop button. ï · Outside door handle lock/unlock touch sensor is inoperative. ï · Key transmitter indicator lights are inoperative.The key transmitter control functions (i.e. locking/unlocking door, etc.) are operational when pressing the transmitter switches, even while the key power saving functi
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.