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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Automatic Headlight Beam Level Control System - Diagnostic Codes & Circuit Tests >> Automatic Headlight Beam Level Control System >> DTC B2452: Abnormal Height Sensor Data at Initialization [03/2019 - ] >> Description

DTC B2452: Abnormal Height Sensor Data at Initialization [03/2019 - ]: Description

The headlight ECU sub-assembly LH stores this DTC if the sensor value received from the rear height control sensor sub-assembly is out of range when performing initialization of the headlight ECU sub-assembly LH; for example, the vehicle is not level or being jack up.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B2452 Abnormal Height Sensor Data at Initialization Rear height control sensor sub-assembly value is out of range when initializing
  • Vehicle condition when initializing
  • Rear height control sensor sub-assembly
  • Headlight ECU sub-assembly LH
HL AutoLeveling