DTC U0001-88: Unit Communication Error (HS-Can) [Adaptive Front Lighting System (AFS) Control Module]: Outline

DTC U0001:88 (ADAPTIVE FRONT LIGHTING SYSTEM (AFS) CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Unit communication error (HS-CAN)
Detection condition	The adaptive front lighting system (AFS) control module detected CAN BUS communication line (HS-CAN) malfunction 10 times continuously.
Fail-safe	The swivel actuator is moved to the center. The headlight leveling actuator is stopped at the position when the malfunction is determined.
Possible cause	Malfunction in CAN BUS communication line
System wiring diagram	Not applicable