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Home >> Mazda >> 2020 >> CX-3 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Front Lighting System Control Module >> DTC U0420-68: Error Signal Received From EPS Control Module (Adaptive Front Lighting System) >> Notes
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DTC U0420-68: Error Signal Received From EPS Control Module (Adaptive Front Lighting System): Notes

DTC U0420:68 (ADAPTIVE FRONT LIGHTING SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Error signal received from EPS control module
Detection condition
  • The AFS control module received error signal from the EPS control module for 5 s or more with the ignition switched ON (engine off or on).
Fail-safe
  • The swivel actuator is moved to the center.
  • Control of the headlight auto leveling system is continued.
Possible cause
  • DTCs are stored in the EPS control module.
  • EPS control module malfunction
  • AFS control module malfunction
System wiring diagram -