DTC B1081-71: Air Mix Actuator (LH) Motor Lock [Dash-Electrical Supply Unit]: 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 B1081:71 [DASH-ELECTRICAL SUPPLY UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Air mix actuator (LH) motor lock
Detection condition	The dash-electrical supply unit detects that the air mix actuator (LH) remains operating clockwise or counterclockwise and does not stop for 8 s or more.
Fail-safe	Air mix actuator (LH) drive signal is stopped right when the malfunction is determined.
Possible cause	Air mix actuator (LH) malfunction A/C unit malfunction Air mix link (LH) malfunction Air mix door malfunction Dash-electrical supply unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable