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Home >> Toyota >> 2022 >> Corolla Cross L, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Can Communication System (HEV) - Circuit Tests (1 Of 5) & Diagnostic Codes) >> CAN COMMUNICATION SYSTEM (for HEV Model) >> Headlight ECU LH Communication Stop Mode [11/2022 - ] >> Description

Headlight ECU LH Communication Stop Mode [11/2022 - ]: Description

WARNING: This page is about a different car, the 2025 Toyota Corolla Cross, 2024 Toyota Corolla Cross, and 2023 Toyota Corolla Cross. However, it is still accessible from the selected car via links, so may be relevant.
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 [11/2022 - 12/2024] , or refer to DIAGNOSIS SYSTEM [12/2024 - ]
  • 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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