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Home >> Lexus >> 2021 >> RC F Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Diagnostic Codes & Circuit Tests >> Lighting System >> DTC B242E: Open in IG Circuit [03/2019 - ] >> Description

DTC B242E: Open in IG Circuit [03/2019 - ]: Description

This DTC is stored when a malfunction occurs in the headlight ECU sub-assembly LH IG power source circuit.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
B242E Open in IG Circuit Open in the headlight ECU sub-assembly LH IG power source circuit
  • Headlight ECU sub-assembly LH
  • Harness or connector
 HL AutoLeveling
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