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Home >> Lexus >> 2021 >> LS 500 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 16 (Front Camera System - Diagnostic Codes & Circuit Tests) >> Front Camera System >> DTC U1314-57: Software Incompatibility with Navigation Control Module Invalid / Incompatible Software Component [10/2023 - ] >> Procedure

DTC U1314-57: Software Incompatibility with Navigation Control Module Invalid / Incompatible Software Component [10/2023 - ]: Procedure

WARNING: This page is about a different car, the 2024 Lexus LS 500. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR DTCs (NAVIGATION SYSTEM) 
    1. Check for DTCs.

      Body Electrical > Navigation System > Trouble Codes 

      Result

      Result Proceed to
      DTCs are not output A
      DTCs are output B

    Result: 

    GO TO AUDIO AND VISUAL SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2023 - ] 

    Result: 

    See step  2

  2. CHECK FOR DTCs (HEALTH CHECK) 
    1. Using the GTS, perform a health check.

      OK

      ECUs other than the forward recognition camera do not output any navigation system DTCs.

      Result

      Result Proceed to
      DTC is not output A
      DTC is output B

    Result: 

    REPLACE FORWARD RECOGNITION CAMERA. Refer to  REMOVAL [10/2023 - ] 

    Result: 

    GO TO DTC CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2023 - ]