DTC B10A3-86: Communication Error With Swivel Actuator (LH): Notes

WARNING: This page is about a different car, the 2018 Mazda CX-9. However, it is still accessible from the selected car via links, so may be relevant.

DTC B10A3:86 (Adaptive Front Lighting System (AFS) Control Module) DETECTION CONDITION AND POSSIBLE CAUSE

Description	Communication Error With Swivel Actuator (LH)
Detection Condition	Adaptive front lighting system (AFS) control module could not receive the signal from the swivel actuator (LH) with the ignition switched ON (engine off or on).
Fail-safe	The swivel actuator (LH) is stopped at the position when the malfunction is determined. The swivel actuator (RH) is moved to the center. Control of the headlight auto leveling system is continued with the headlight leveling actuator positioned -0.6° from where the malfunction is determined.
Possible Cause	Swivel actuator (LH) malfunction Adaptive front lighting system (AFS) control module malfunction
System Wiring Diagram	Not applicable