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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 230 (Safety Connect System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> SAFETY CONNECT SYSTEM (for Gasoline Model) >> Red Indicator Remains On [10/2019 - ] >> Procedure

Red Indicator Remains On [10/2019 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK DTC 
    1. Turn the engine switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the engine switch on (IG) and wait for 10 seconds or more.
    4. Turn the Techstream on.
    5. Clear the DTCs.

      Body Electrical > Telematics > Clear DTCs 

    6. Check for DTCs and check that no DTCs are output.

      Body Electrical > Telematics > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO DIAGNOSTIC TROUBLE CODE CHART. Refer to  DIAGNOSTIC TROUBLE CODE CHART [10/2019 - 09/2022]  , or refer to  DIAGNOSTIC TROUBLE CODE CHART [09/2022 - ] 

    Result: 

    OK 

    See step  2

  2. CHECK VEHICLE OPERATION HISTORY 
    1. Check for vehicle control history and note any codes that are output.

      Refer to VEHICLE CONTROL HISTORY [10/2019 - 09/2022] , or refer to VEHICLE CONTROL HISTORY [09/2022 - ] 

      Result

      Result Proceed to
      No vehicle control history is output A
      Any vehicle control history is output B

    Result: 

    GO TO VEHICLE CONTROL HISTORY. Refer to  VEHICLE CONTROL HISTORY [10/2019 - 09/2022]  , or refer to  VEHICLE CONTROL HISTORY [09/2022 - ]  

    Result: 

    See step  3

  3. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (telematics transceiver) with a new one.

      Refer to REMOVAL [10/2019 - 08/2020] , or refer to REMOVAL [08/2020 - 09/2022] , or refer to REMOVAL [09/2022 - ]

      NOTE:
      • The engine switch must be off.
      • Do not exchange the DCM (telematics transceiver) with one from another vehicle.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    PERFORM DCM ACTIVATION. Refer to  DCM ACTIVATION [10/2019 - ]