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Home >> Toyota >> 2021 >> Venza LE >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> Dynamic Radar Cruise Control System - Diagnostic Codes & Circuit Tests >> Dynamic Radar Cruise Control System >> DTC U0423-81: Invalid Data Received from Instrument Panel Cluster Control Module Invalid Serial Data Received [10/2022 - ] >> Procedure
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DTC U0423-81: Invalid Data Received from Instrument Panel Cluster Control Module Invalid Serial Data Received [10/2022 - ]: Procedure

  1. CHECK FOR DTC (Combination Meter) 
    1. Check for DTCs.

      Body Electrical > Combination Meter > Trouble Codes 

      HINT: 

      If DTC U0423-81 is output by the dynamic radar cruise control system, perform troubleshooting for the meter/gauge system.

      Result

      Result Proceed to
      Meter / gauge system DTCs are not output A
      Meter / gauge system DTCs are output B

    Result: 

    REPLACE HYBRID VEHICLE CONTROL ECU. Refer to  REMOVAL [10/2022 - ] 

    Result: 

    GO TO METER / GAUGE SYSTEM 

    except 12.3 Inch Display: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [07/2020 - ]

    for 12.3 Inch Display: Refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]