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Home >> Mazda >> 2021 >> 3 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> On-Board Diagnostic - Auto Leveling Control Module >> DTC U3000-42: Auto Leveling Control Module Internal Malfunction [Auto Leveling Control Module] >> Outline
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DTC U3000-42: Auto Leveling Control Module Internal Malfunction [Auto Leveling Control Module]: Outline

DTC U3000:42 (AUTO LEVELING CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Auto leveling control module internal malfunction
Detection condition  
  • The auto leveling control module detects the internal malfunction.
Fail-safe  
  • The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause  
  • Auto leveling control module internal malfunction
System wiring diagram Not applicable
Connector diagram Not applicable