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LCM (Light Control Module)

The LCM (Licht Control Modul) manages all exterior lighting functions and monitors bulb status.

  • Headlight control (low beam, high beam, flash-to-pass)
  • Tail light and brake light control
  • Turn signal control
  • Fog light control
  • Daytime running lights (if coded)
  • Bulb monitoring and failure warnings
  • Automatic headlights (with RLS sensor)
  • Welcome lights (coded feature)

Driver’s side footwell, behind the left kick panel.

  • Bulb failure warning when no bulb is blown (module sensitivity)
  • Intermittent lighting issues
  • Module failure after water intrusion (driver’s footwell leaks)

The LCM can be coded for:

  • Daytime running lights (DRL)
  • US/Euro lighting spec
  • Welcome lights (headlights flash on unlock)
  • Corner light behavior