LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2021 >> UX 200 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Headlights >> Lighting System (Exterior) (Diagnostic Codes (2 Of 2) & Circuit Tests) >> Lighting System >> DTC U1000: CAN Communication Failure (Message Registry) [10/2018 - ] >> Description

DTC U1000: CAN Communication Failure (Message Registry) [10/2018 - ]: Description

The No. 1 headlight ECU sub-assembly LH or No. 1 headlight ECU sub-assembly RH stores this DTC if it detects an internal malfunction related to the CAN communication system.

AFS*1 OR HL AUTOLEVELING*2

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U1000 CAN Communication Failure (Message Registry) Detection condition: 
  1. Ignition switch ON

Malfunction status: 
  1. CAN communication failure

Malfunction duration: 
  1. -
No. 1 headlight ECU sub-assembly LH AFS
AFS (SUB)*1 OR HL AUTOLEVELING (SUB)*2

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U1000 CAN Communication Failure (Message Registry) Detection condition: 
  1. Ignition switch ON

Malfunction status: 
  1. CAN communication failure

Malfunction duration: 
  1. -
No. 1 headlight ECU sub-assembly RH AFS (Sub)
  1. *1: for Triple Beam Headlight
  2. *2: for Single Beam Headlight