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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different car >> Section 247 (Lighting System (Early 2023) (TMMMS) - Diagnostic Codes, Symptom Tests & Circuit Tests) >> LIGHTING SYSTEM (for TMMMS Made) >> DTC B124B: Automatic High Beam System [09/2022 - 11/2022] >> Caution / Notice / Hint

Caution / Notice / Hint

WARNING: This page is about a different car, the 2023 Toyota GR Corolla and 2023 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • The lighting system (for Gasoline Model without AFS) uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the automatic high beam system after confirming that the communication systems are functioning properly.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2022 - 11/2022]

  • Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*

    Refer to REGISTRATION [09/2022 - 11/2022]

    1. *: w/ Smart Key System

HINT: 

If the forward recognition camera stores a DTC for a malfunction of any of the following, this DTC will be stored simultaneously.