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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 U0422-68: Error Signal Received From Body Control Module (BCM)

DTC U0422-68: Error Signal Received From Body Control Module (BCM)

U0422:68 (DASH_ESU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Error signal received from body control module (BCM)
Detection condition
  • The dash-electrical supply unit receives the error signal from the body control module (BCM).
Fail-safe
  • Control at the default signal value.
Possible cause
  1. DTCs are stored in the body control module (BCM). (See DTC TABLE [BCM] .)
  2. Body control module (BCM) malfunction (Refer to [BODY CONTROL MODULE (BCM) REMOVAL/INSTALLATION ] ).
  3. Dash-electrical supply unit malfunction (Refer to [DASH-ELECTRICAL SUPPLY UNIT REMOVAL/INSTALLATION ] ).
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
System wiring diagram
  • Not applicable