DTC U0155-87: Communication Error With Instrument Cluster [ALH/AFS/ALV]

U0155:87 (ALH/AFS/ALV) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location	Communication error with instrument cluster
Detection condition	The adaptive LED headlights control module cannot receive CAN signal from the instrument cluster.
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. Set wide-range low beam as basic light distribution.
Possible cause	Malfunction in CAN communication line between instrument cluster and adaptive LED headlights control module NOTE: Perform the malfunction diagnosis according to the troubleshooting procedure for the multiplex communication system. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .)
Repeatability verification procedure	Not applicable
System wiring diagram	Not applicable