B13D3 on the 2021 Mazda Mazda3
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
This code is specific to a manufacturer and is not described here. Its meaning is in the manufacturer's service information.
| SA-004-25a | 2025-03-05. Service bulletin. 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 and the following will occur: The engine will not start unless the key transmitter is held over the Start Stop button. • Outside door handle lock/unlock touch sensor is inoperative. • Key transmitter indicator lights are inoperative. • The following DTC's may be stored: DTC B13D3:94 (Communication error with remote transmitter) ○ DTC P1260:00 (Immobilizer system problem). |
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| SA-048-20a | 2020-10-05. Service bulletin. Some customers may experience an engine no start condition where the engine will only start by holding the key transmitter over the Start/Stop button. This may be caused by an accidental activation of the keyless pacemaker function. NOTE: • DTC B13D3:97 (Remote transmitter registration work not completed) is stored if key programming is performed when keyless pacemaker function is activated. • Key programming is not possible when keyless pacemaker function is activated. |
2 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.