DTC B2452: Abnormal Height Sensor Data at Initialization [09/2020 - ]: Description

WARNING: This page does not describe the selected car, but rather 18 other vehicles, including the 2024 Lexus IS 500, 2024 Lexus IS 350, 2024 Lexus IS 300, 2023 Lexus IS 500, and 2023 Lexus IS 350. However, it is still accessible from the selected car via links, so may be relevant.

The headlight ECU sub-assembly LH stores this DTC if the value from the rear height control sensor sub-assembly LH is out of range when performing initialization of the headlight ECU sub-assembly LH, such as when the vehicle is not level or jacked up.

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 LH value detected during initialization Malfunction duration: -	Vehicle condition when initializing Rear height control sensor sub-assembly LH Harness or connector Headlight ECU sub-assembly LH	HL AutoLeveling

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 LH value detected during initialization

Malfunction duration:

Vehicle condition when initializing
Rear height control sensor sub-assembly LH
Harness or connector
Headlight ECU sub-assembly LH

HL AutoLeveling