DTC B2456: Left Headlight ECU Variation Error [09/2020 - 11/2021]: 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
B2456	Left Headlight ECU Variation Error	Detection condition: The engine switch is on (IG). Malfunction status: Vehicle specification information received via CAN communication is continuously mismatched Malfunction duration: -	ECM 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

B2456

Left Headlight ECU Variation Error

Detection condition:

Malfunction status:

Vehicle specification information received via CAN communication is continuously mismatched

Malfunction duration:

HL AutoLeveling