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Home >> Lexus >> 2020 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Exterior Lights >> Lighting System (Ext) - Diagnostic Codes (3 Of 3), Symptom Tests & Circuit Tests (1 Of 2) >> Lighting System >> DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message [12/2017 - 09/2018] >> Description
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DTC U0125-87: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message; DTC U0129-87: Lost Communication with Brake System Control Module Missing Message; DTC U0134-87: Lost Communication with Power Steering Control Module Rear Missing Message; DTC U0140-87: Lost Communication with Body Control Module Missing Message [12/2017 - 09/2018]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
U0125-87 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message Communication stop occurs between the object recognition camera and yaw rate sensor continuously for 5 seconds or more.
  • CAN communication system
  • Yaw rate sensor
  • Object recognition camera
Object recognition camera w/ AFS (Front-lighting Adaptive System)
U0129-87 Lost Communication with Brake System Control Module Missing Message Communication stop occurs between the object recognition camera and skid control ECU assembly continuously for 5 seconds or more.
  • CAN communication system
  • Skid control ECU assembly
  • Object recognition camera
Object recognition camera w/ AFS (Front-lighting Adaptive System)
U0134-87 Lost Communication with Power Steering Control Module Rear Missing Message Communication stop occurs between the object recognition camera and rear steering control ECU continuously for 5 seconds or more.
  • CAN communication system
  • Rear steering control ECU
  • Object recognition camera
Object recognition camera w/ AFS (Front-lighting Adaptive System)
U0140-87 Lost Communication with Body Control Module Missing Message Communication stop occurs between the object recognition camera and main body ECU (multiplex network body ECU) continuously for 5 seconds or more.
  • CAN communication system
  • Main body ECU (multiplex network body ECU) and
  • Object recognition camera
Object recognition camera w/ AFS (Front-lighting Adaptive System)