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Home >> Lexus >> 2017 >> IS 300 F Sport >> Repair and Diagnosis >> External Pages >> Different car >> Section 4 (Lighting System (Ext) - Diagnostic Codes & Circuit Tests) >> Lighting System >> DTC U1000: CAN Communication Failure (Message Registry) [09/2020 - ] >> Description

DTC U1000: CAN Communication Failure (Message Registry) [09/2020 - ]: Description

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The headlight ECU sub-assembly LH stores this DTC if it detects an internal malfunction related to the CAN communication system.

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U1000 CAN Communication Failure (Message Registry) Detection condition: 
  1. The engine switch is on (IG).

Malfunction status: 
  1. CAN communication failure

Malfunction duration: 
  1. -
Headlight ECU sub-assembly LH HL AutoLeveling