DTC B13D3-4A: Remote Transmitter Assembly Malfunction (BCM): Outline

WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.

DTC B13D3:4A (BCM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Remote transmitter assembly malfunction
Detection condition	The LF control unit detects a remote transmitter different from the one equipped to the vehicle.
Fail-safe	Not applicable
Possible cause	Mistaken remote transmitter registration LF control unit configuration error Remote transmitter malfunction LF control unit malfunction Body control module (BCM) malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable