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Home >> Lexus >> 2019 >> 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 U0073: Control Module Communication Bus Off; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0182: Lost Communication With Lighting Control Module Front [10/2020 - 10/2023] >> Description
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DTC U0073: Control Module Communication Bus Off; DTC U0126: Lost Communication with Steering Angle Sensor Module; DTC U0142: Lost Communication with Body Control Module "B"; DTC U0155: Lost Communication with Instrument Panel Cluster (IPC) Control Module; DTC U0182: Lost Communication With Lighting Control Module Front [10/2020 - 10/2023]: Description

DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from Note
U0073 Control Module Communication Bus Off The headlight ECU sub-assembly does not send/receive data. CAN communication system AFS (Sub) -
U0126 Lost Communication with Steering Angle Sensor Module The headlight ECU sub-assembly does not receive data from the steering sensor for approximately 10 seconds or more. CAN communication system AFS (Sub) -
U0142 Lost Communication with Body Control Module "B" The headlight ECU sub-assembly does not receive data from the main body ECU (multiplex network body ECU) for approximately 10 seconds or more. CAN communication system AFS (Sub) -
U0155 Lost Communication with Instrument Panel Cluster (IPC) Control Module The headlight ECU sub-assembly does not receive data from the combination meter assembly circuit plate for approximately 10 seconds or more. CAN communication system AFS (Sub) -
U0182 Lost Communication With Lighting Control Module Front The headlight ECU sub-assembly RH does not receive data from the headlight ECU sub-assembly LH circuit plate for approximately 10 seconds or more. CAN communication system AFS (Sub) -
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