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Home >> Lexus >> 2020 >> RX 450h Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/O Automatic Headlight Beam Level Controls System) (Diagnostic Codes & Circuit Tests) >> LIGHTING SYSTEM (w/o Automatic Headlight Beam Level Control System) >> DTC B124C: Automatic High Beam Camera [08/2019 - ] >> Description

DTC B124C: Automatic High Beam Camera [08/2019 - ]: Description

The main body ECU (multiplex network body ECU) detects a high beam headlight illumination request signal of the automatic high beam system from the forward recognition camera.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B124C Automatic High Beam Camera Malfunction in forward recognition camera Front camera system Main body ECU (multiplex network body ECU)
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