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

WARNING: This page is about a different car, the 2016 Mazda CX-3. However, it is still accessible from the selected car via links, so may be relevant.

Description	LF control unit internal malfunction
Detection condition	Start stop unit detects the LF control unit internal malfunction.
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	Not applicable