DTC B2009-23: Climate Control Unit Operation Panel Malfunction [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 B2009:23 [DASH-ELECTRICAL SUPPLY UNIT] DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Climate control unit operation panel malfunction
Detection condition	The dash-electrical supply unit detects that any one of the switches located on the climate control unit operation panel is stuck on.
Fail-safe	Not applicable
Possible cause	Climate control unit malfunction Dash-electrical supply unit malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable