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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Parking Support Alert System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> PARKING SUPPORT ALERT SYSTEM (for Gasoline Model) >> DTC U1000: CAN Communication Failure (Message Registry) [06/2018 - 09/2022] >> Procedure

DTC U1000: CAN Communication Failure (Message Registry) [06/2018 - 09/2022]: Procedure

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  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Clear DTCs 

    2. Check for DTCs.

      Body Electrical > Advanced Parking Guidance/ICS/Intuitive P/A > Trouble Codes 

      OK

      DTC U1000 is not output.

      Result

      Proceed to
      OK
      NG

      HINT: 

      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 [06/2018 - 08/2020] , or refer to PROBLEM SYMPTOMS TABLE [08/2020 - 08/2021] , or refer to PROBLEM SYMPTOMS TABLE [08/2021 - 09/2022]

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

    Result: 

    NG 

    REPLACE CLEARANCE WARNING ECU ASSEMBLY. Refer to  REMOVAL [06/2018 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]