DTC U0424-86: Error Signal Received From Dash-Electrical Supply Unit [MAZDA Emergency Assistance Control Module]: Outline

DTC U0424:86 (MAZDA EMERGENCY ASSISTANCE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from dash-electrical supply unit
Detection condition	The Mazda EMERGENCY ASSISTANCE control module received the invalid signal from the dash-electrical supply unit.
Fail-safe	Not applicable
Possible cause	DTCs are stored in the dash-electrical supply unit. Malfunction in CAN communication line between the dash-electrical supply unit and Mazda EMERGENCY ASSISTANCE control module Dash-electrical supply unit malfunction Mazda EMERGENCY ASSISTANCE control module malfunction
System wiring diagram	Not applicable
Connector diagram	Not applicable