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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 81 (Front Radar Sensor System (Except Hybrid) - Diagnostic Codes) >> FRONT RADAR SENSOR SYSTEM (for Gasoline Model) >> DTC U0305-57: Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component [06/2018 - 08/2021] >> Procedure

DTC U0305-57: Software Incompatibility with Cruise Control Module Invalid/Incompatible Software Component [06/2018 - 08/2021]: Procedure

WARNING: This page is about a different car, the 2021 Lexus ES 350, 2021 Lexus ES 250, 2020 Lexus ES 350, and 2019 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR DTCs 
    1. Check for DTCs.

      Body Electrical > Front Radar Sensor > Trouble Codes 

      Chassis > Front Recognition Camera > Trouble Codes 

      Result

      Result Proceed to
      DTC U0305-57 (Front Radar Sensor) and U0322-57 (Front Recognition Camera) are output A
      Only DTC U0305-57 (Front Rader Sensor) is output B

    Result: 

    A 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  COMPONENTS [06/2018 - ] 

    Result: 

    B 

    REPLACE MILLIMETER WAVE RADAR SENSOR ASSEMBLY. Refer to  COMPONENTS [06/2018 - ] 

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