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DTC B1D0A-29: Error Signal Received From Front Combination Light (RH)

B1D0A-29: (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Error signal received from front combination light (RH)
Detection condition  
  • The adaptive LED headlights control module received error signals from the front combination light (RH).
Fail-safe  
  • Control of the headlight auto leveling system is continued.
  • Perform the following controls with the adaptive LED headlights turned on.
    • Turn off glare-free high beam.
    • The wide-range, low beam on the malfunctioning side is turned off.
Possible cause  
  1. Front combination light (RH) malfunction (Refer to FRONT COMBINATION LIGHT REMOVAL/INSTALLATION in service information.)
  2. Adaptive LED headlights control module malfunction (Refer to [ADAPTIVE LED HEADLIGHTS CONTROL MODULE REMOVAL/INSTALLATION] in service information.)
Repeatability verification procedure  
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
System wiring diagram  
  • Not applicable