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Home >> Lexus >> 2021 >> LC 500 2D Coupe >> Repair and Diagnosis >> Accessories & Equipment >> Communication Devices >> Can Communication System - Circuit Tests (Coupe) (1 Of 6) & Diagnostic Codes >> Can Communication System >> DTC U0130: Lost Communication with VGRS [03/2017 - 05/2023] >> Procedure

DTC U0130: Lost Communication with VGRS [03/2017 - 05/2023]: Procedure

  1. CHECK FOR DTCs 
    1. Check for DTCs.

      Result

      Result Proceed to
      DTC U0130 is output from absorber control ECU only. A
      DTC U0130 is output from any ECU. B

    Result: 

    See step  3

    Result: 

    See step  2

  2. CHECK FOR OPEN IN CAN BUS WIRE (ABSORBER CONTROL ECU BRANCH WIRE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the absorber control ECU connector.
      GTY812341Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Absorber Control ECU)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      X39-19 (CA2H) - X39-18 (CA2L) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE ABSORBER CONTROL ECU. Refer to  REMOVAL [03/2017 - 05/2023] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR 

  3. CHECK FOR OPEN IN CAN BUS WIRE (FRONT STEERING CONTROL ECU BRANCH WIRE) 
    1. Disconnect the cable from the negative (-) battery terminal.
    2. Disconnect the front steering control ECU connector.
      GTY792037Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Front Steering Control ECU)
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      P72-2 (CNH2) - P72-8 (CNL2) Cable disconnected from negative (-) battery terminal 54 to 69 Ω

      Result

      Result
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT STEERING CONTROL ECU. Refer to  REMOVAL [03/2017 - 05/2023] 

    Result: 

    NG 

    REPAIR OR REPLACE CAN BRANCH WIRE OR CONNECTOR