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Home >> Toyota >> 2021 >> C-HR Limited >> Repair and Diagnosis >> Accessories & Equipment >> Exterior Lights >> Lighting System (W/ AFS) - Diagnostic Codes & Circuit Tests >> LIGHTING SYSTEM (w/ AFS) >> DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication [09/2019 - 08/2020] >> Description

DTC B2410: Headlight Swivel ECU LH Communication; DTC B2411: Headlight Swivel ECU RH Communication [09/2019 - 08/2020]: Description

Each headlight ECU sub-assembly and headlight swivel and leveling motor communicate via LIN communication.

The headlight swivel and leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating state to the headlight ECU sub-assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
B2410 Headlight Swivel ECU LH Communication Malfunction in LIN communication error
  • Headlight unit assembly LH
  • Headlight unit assembly RH
  • Harness or connector
  • Headlight ECU sub-assembly LH
  • Headlight ECU sub-assembly RH
AFS -
B2411 Headlight Swivel ECU RH Communication Malfunction in LIN communication error
  • Headlight unit assembly RH
  • Headlight unit assembly LH
  • Harness or connector
  • Headlight ECU sub-assembly RH
  • Headlight ECU sub-assembly LH
AFS -