DTC B134D-02: Headlight Control Signal Error: Notes

WARNING: This page is about a different car, the 2013 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.

DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Headlight control signal error
Detection condition	Error start stop unit signal is detected for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe	-
Possible cause	Start stop unit malfunction Front body control module (FBCM) malfunction
System wiring diagram	-