DTC B2452: Abnormal Height Sensor Data at Initialization [08/2019 - ]: Description

The No. 1 headlight ECU sub-assembly LH stores this DTC if the value from the rear height control sensor sub-assembly RH is out of range when performing initialization of the No. 1 headlight ECU sub-assembly LH, such as when the vehicle is not level or jacked up.

FOR MULTIPLE BEAM HEADLIGHT

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
B2452	Abnormal Height Sensor Data at Initialization	Detection condition: The engine switch is on (IG). Malfunction status: Abnormal rear height control sensor sub-assembly RH value detected during initialization Malfunction duration: -	Vehicle condition when initializing Rear height control sensor sub-assembly RH Harness or connector No. 1 headlight ECU sub-assembly LH	AFS

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

B2452

Abnormal Height Sensor Data at Initialization

Detection condition:

The engine switch is on (IG).

Malfunction status:

Abnormal rear height control sensor sub-assembly RH value detected during initialization

Malfunction duration:

Vehicle condition when initializing
Rear height control sensor sub-assembly RH
Harness or connector
No. 1 headlight ECU sub-assembly LH

AFS

FOR SINGLE BEAM HEADLIGHT

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	DTC Output from
B2452	Abnormal Height Sensor Data at Initialization	Detection condition: The engine switch is on (IG). Malfunction status: Abnormal rear height control sensor sub-assembly RH value detected during initialization Malfunction duration: -	Vehicle condition when initializing Rear height control sensor sub-assembly RH Harness or connector No. 1 headlight ECU sub-assembly LH	HL Auto Leveling