DTC B13C3-04: LF Control Unit Internal Malfunction: Notes

WARNING: This page is about a different car, the 2016 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

System malfunction location	LF control unit internal malfunction
Detection condition	LF control unit internal malfunction detected
Fail-safe	Inhibits the door lock/unlock control using the advanced keyless entry system.
Possible cause	LF control unit internal malfunction Start stop unit malfunction
System wiring diagram	-