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Home >> Lexus >> 2025 >> NX 350h >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Can Communication System - Circuit Tests (2 Of 9)) >> CAN COMMUNICATION SYSTEM (for Gasoline Model) >> Headlight ECU LH Communication Stop Mode [11/2021 - 03/2023] >> Description

Headlight ECU LH Communication Stop Mode [11/2021 - 03/2023]: Description

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Detection Item Symptom Trouble Area
Headlight ECU LH Communication Stop Mode Communication stop for "Headlight Control" is indicated on the "Communication Bus Check" screen of the GTS.
Refer to DIAGNOSIS SYSTEM [11/2021 - 03/2023]
  • Headlight ECU sub-assembly LH branch line or connector
  • Power source circuit of headlight ECU sub-assembly LH
  • Headlight ECU sub-assembly LH ground circuit
  • Headlight ECU sub-assembly LH
  • Semiconductor power integration ECU
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