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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) - Diagnostic Codes, Symptom & Circuit Tests (1 Of 2) (Coupe) >> Lighting System >> DTC B241A: Rear Height Control Sensor; DTC B241B: Front Height Control Sensor [03/2017 - ] >> Description

DTC B241A: Rear Height Control Sensor; DTC B241B: Front Height Control Sensor [03/2017 - ]: Description

The No. 1 headlight ECU sub-assembly LH receives the vehicle height value from the absorber control ECU via CAN communication and performs auto leveling control.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B241A Rear Height Control Sensor Detection condition: 
  1. Engine switch on (IG)

Malfunction status: 
  1. Abnormal vehicle height value continuously detected from rear height sensor

Malfunction duration: 
  1. 10 seconds or more
 Adaptive variable suspension system HL AutoLeveling
B241B Front Height Control Sensor Detection condition: 
  1. Engine switch on (IG)

Malfunction status: 
  1. Abnormal vehicle height value continuously detected from front height sensor

Malfunction duration: 
  1. 10 seconds or more
 Adaptive variable suspension system HL AutoLeveling
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