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Home >> Lexus >> 2024 >> LS 500 Base, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Automatic High Beam System - Diagnostic Codes & Symptom Tests >> Automatic High Beam System >> DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; 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 [10/2020 - 10/2023] >> Description
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DTC U0100-87: Lost Communication with ECM/PCM "A" Missing Message; 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 [10/2020 - 10/2023]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from
U0100-87 Lost Communication with ECM/PCM "A" Missing Message
  • Communication stop occurs between the object recognition camera and ECM continuously for 5 seconds or more. (for Stereo Camera Type)
  • Communication stop occurs between the forward recognition camera and ECM continuously for 5 seconds or more. (for Mono Camera Type)
 CAN communication system Front Recognition Camera (Front Lighting Control)
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. (for Stereo Camera Type)
  • Communication stop occurs between the forward recognition camera and yaw rate sensor continuously for 5 seconds or more. (for Mono Camera Type)
 CAN communication system Front Recognition Camera (Front Lighting Control)
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. (for Stereo Camera Type)
  • Communication stop occurs between the forward recognition camera and skid control ECU (brake actuator assembly) continuously for 5 seconds or more. (for Mono Camera Type)
 CAN communication system Front Recognition Camera (Front Lighting Control)
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. (for Stereo Camera Type)
  • Communication stop occurs between the forward recognition camera and rear steering control ECU continuously for 5 seconds or more. (for Mono Camera Type)
 CAN communication system Front Recognition Camera (Front Lighting Control)
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. (for Stereo Camera Type)
  • Communication stop occurs between the forward recognition camera and main body ECU (multiplex network body ECU) continuously for 5 seconds or more. (for Mono Camera Type)
 CAN communication system Front Recognition Camera (Front Lighting Control)
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