DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Panoramic View Monitor System - Diagnostic Codes & Symptom Tests >> Panoramic View Monitor System >> DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0126: Steering Sensor Communication; DTC U0129: Lost Communication with Brake System Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0163: Lost Communication With Navigation Control Module; DTC U0233: Lost Communication with Blind Spot Monitor Master Module; DTC U0265: Lost Communication with Image Processing Sensor A; DTC U0293: Lost Communication with Hybrid Control Module; DTC U1110: Lost Communication with Clearance Warning ECU [12/2019 - 10/2022] >> Procedure

DTC U0073: Control Module Communication Bus Off; DTC U0100: Lost Communication With ECM/PCM "A"; DTC U0126: Steering Sensor Communication; DTC U0129: Lost Communication with Brake System Control Module; DTC U0140: Lost Communication with Body Control Module; DTC U0163: Lost Communication With Navigation Control Module; DTC U0233: Lost Communication with Blind Spot Monitor Master Module; DTC U0265: Lost Communication with Image Processing Sensor A; DTC U0293: Lost Communication with Hybrid Control Module; DTC U1110: Lost Communication with Clearance Warning ECU [12/2019 - 10/2022]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Chassis > Circumference Monitoring Camera Control Module > Clear DTCs 

    2. Check for DTCs.

      Chassis > Circumference Monitoring Camera Control Module > Trouble Codes 

      Result

      Result Proceed to
      DTCs are output A
      No DTCs are output B

      HINT: 

      • If CAN communication system DTCs are stored, they may also be stored in other systems.
      • If the CAN communication system has been inspected and repaired in other systems, the DTCs will not be output when rechecking for DTCs.
      • If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform troubleshooting again, even if the DTC was not output when rechecking for DTCs.

        Refer to PROBLEM SYMPTOMS TABLE [12/2019 - 10/2022]

    Result: 

    GO TO CAN COMMUNICATION SYSTEM 

    for Gasoline Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2022]

    for HV Model: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - 10/2021] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2021 - 10/2022]

    Result: 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ]