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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 U0452-4A: SAS Control Module Serial Number Mismatch [Forward Sensing Camera (FSC)] >> Notes

DTC U0452-4A: SAS Control Module Serial Number Mismatch [Forward Sensing Camera (FSC)]: Notes

DTC U0452:4A (FORWARD SENSING CAMERA) DETECTION CONDITION AND POSSIBLE CAUSE

Description SAS control module serial number mismatch
Detection condition
  • The forward sensing camera (FSC) detects that the SAS control module serial number has changed.
Fail-safe
  • Inhibits the lane departure warning system (LDWS).
  • Inhibits the high beam control (HBC) system.
  • Inhibits the smart city brake support [forward] (SCBS F).
Possible cause
  • SAS control module is replaced.
  • DTCs are stored in the SAS control module.
  • SAS control module malfunction
  • Forward sensing camera (FSC) malfunction
System wiring diagram Not applicable