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Home >> Mazda >> 2023 >> 3 Select, 4D Hatchback >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Adaptive Led Headlights Control Module >> DTC U3000-42: Adaptive Led Headlights Control Module Internal Malfunction [Adaptive Led Headlights Control Module] >> Outline
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DTC U3000-42: Adaptive Led Headlights Control Module Internal Malfunction [Adaptive Led Headlights Control Module]: Outline

DTC U3000:42 (ADAPTIVE LED HEADLIGHTS CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Adaptive LED headlights control module internal malfunction
Detection condition
  • The adaptive LED headlights control module detects the internal malfunction.
Fail-safe
  • Perform the following controls with the adaptive LED headlights turned on.
    • Turn off glare-free high beam.
    • Set wide-range low beam as basic light distribution.
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause
  • Adaptive LED headlights control module internal malfunction
System wiring diagram Not applicable
Connector diagram Not applicable