DTC B2456: Left Headlight ECU Variation Error [11/2018 - 12/2021]: Description

This DTC is stored if the headlight ECU sub-assembly LH for another destination is installed.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from	Note
B2456	Left Headlight ECU Variation Error	Detection condition: The ignition switch is ON Malfunction status: Vehicle specification information received via CAN communication is continuously mismatched Malfunction duration: -	Hybrid vehicle control ECU assembly (for HV Model) ECM (for Gasoline Model) Main body ECU (multiplex network body ECU) Headlight ECU sub-assembly LH	HL AutoLeveling	-

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

Note

B2456

Left Headlight ECU Variation Error

Detection condition:

Malfunction status:

Vehicle specification information received via CAN communication is continuously mismatched

Malfunction duration:

HL AutoLeveling