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Home >> Lexus >> 2022 >> LS 500h RWD >> Repair and Diagnosis >> Accessories & Equipment >> Headlights >> Lighting System (Ext) - Diagnostic Codes (2 Of 2) & Circuit Tests (1 Of 2) >> Lighting System >> DTC U0142: Lost Communication With Mainbody ECU [10/2017 - 10/2023] >> Description

DTC U0142: Lost Communication With Mainbody ECU [10/2017 - 10/2023]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
U0142 Lost Communication With Mainbody ECU Communication stop occurs between the rear multiplex network door ECU RH and main body ECU (multiplex network body ECU) continuously for 10 seconds or more.
  • CAN communication system
  • Main body ECU (multiplex network body ECU) and
  • Rear multiplex network door ECU RH
 Rear Right Door -
DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
U0142 Lost Communication With Mainbody ECU Communication stop occurs between the rear multiplex network door ECU LH and main body ECU (multiplex network body ECU) continuously for 10 seconds or more.
  • CAN communication system
  • Main body ECU (multiplex network body ECU) and
  • Rear multiplex network door ECU LH
 Rear Left Door -
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