Toyota CH-R Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART

Automatic High Beam System

DTC No.

Detection Item

Link

B124B

Automatic High Beam System

B124C

Automatic High Beam Camera

U023A

Lost Communication with Front Camera Module

    Fail-safe Chart
    FAIL-SAFE CHART AUTOMATIC HIGH BEAM SYSTEM (a) The main body ECU (multiplex network body ECU) operates in fail-safe mode if an abnormal condition such as those listed below has been detected. ...

    Automatic High Beam System (B124B)
    DESCRIPTION This DTC is stored when the main body ECU (multiplex network body ECU) detects malfunctions in the automatic high beam system. DTC No. Detection Item D ...

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