DTC B1437-86: Error Signal Received From Front Combination Light (LH) [Adaptive Front Lighting System (AFS) Control Module]

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B1437: 86 (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Error signal received from front combination light (LH)
Detection condition	The adaptive LED headlights control module received error signals from the front combination light (LH).
Fail-safe	The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause	Front combination light (LH) malfunction (Refer to applicable FRONT COMBINATION LIGHT REMOVAL/INSTALLATION in the service information.) Adaptive LED headlights control module malfunction (Refer to applicable ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE REMOVAL/INSTALLATION in the service information.)
Repeatability verification procedure	Clear the DTC recorded in the memory. (see CLEARING DTC .)
System wiring diagram	Not applicable