DTC U0001-88: Unit Communication Error (HS-Can) [Adaptive Led Headlights Control Module]: Outline

DTC U0001:88 (ADAPTIVE LED HEADLIGHTS CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Unit communication error (HS-CAN)
Detection condition	The adaptive LED headlights control module detected CAN BUS communication line (HS-CAN) malfunction 10 times continuously.
Fail-safe	Perform the following controls with the adaptive LED headlights turned on. Turn off glare-free high beam. Set wide-range low beam as basic light distribution. 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