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Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> On-Board Diagnostic - Adaptive Front Lighting System (AFS) Control Module >> DTC U0420-68: Error Signal Received From Electric Power Steering (EPS) Control Module [Forward Sensing Camera (FSC)] >> Notes

DTC U0420-68: Error Signal Received From Electric Power Steering (EPS) Control Module [Forward Sensing Camera (FSC)]: Notes

DTC U0420:68 (FORWARD SENSING CAMERA) DETECTION CONDITION AND POSSIBLE CAUSE

Description Error signal received from electric power steering (EPS) control module
Detection condition
  • Forward sensing camera (FSC) receives the error signal from the electric power steering (EPS) control module for 5 s or more.
Fail-safe
  • Inhibits the lane departure warning system (LDWS).
  • Inhibits the smart city brake support [forward] (SCBS F).
Possible cause
  • DTCs are stored in the electric power steering (EPS) control module.
  • Electric power steering (EPS) control module malfunction
  • Forward sensing camera (FSC) malfunction
System wiring diagram Not applicable