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Home >> Mazda >> 2024 >> CX-90 Turbo Select >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> On-Board Diagnostic - Dash-Electrical Supply Unit (2 Of 2) >> DTC B2009-23: Climate Control Unit Operation Panel Malfunction >> Details On DTCs

Details On DTCs

B2009:23 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Climate control unit operation panel malfunction
Detection condition Determination conditions
  • The dash-electrical supply unit detects that any one of the switches located on the climate control unit operation panel is stuck on.
Preconditions
  • Not applicable
Malfunction determination period
  • Not applicable
Fail-safe
  • Switch operation is disabled.
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • Climate control unit malfunction
  • Dash-electrical supply unit malfunction