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DTC B15CC: Backup Battery Failure [10/2017 - 10/2020]: Procedure

  1. CHECK DTC 
    1. Turn the power switch off.
    2. Connect the Techstream to the DLC3.
    3. Turn the power switch on (IG) and wait for 10 seconds.
    4. Perform "HEALTH CHECK" and check for current DTCs.

      Refer to HEALTH CHECK [10/2017 - 10/2020]

      Result

      Result Proceed to
      DTC B15CC is output A
      DTC B15CC is not output B

    Result: 

    CHECK FOR INTERMITTENT PROBLEMS. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 09/2019]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2019 - 10/2020] 

    Result: 

    See step  2

  2. REPLACE MOBILE PHONE BATTERY 
    1. Replace the mobile phone battery with a normal one.

      Refer to REMOVAL [10/2017 - 10/2020]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  3

  3. CLEAR DTC 
    1. Clear the DTC.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2020]

      Body Electrical > Telematics > Clear DTCs 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  4

  4. RECHECK DTC 
    1. Recheck for DTCs and check that no DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2017 - 10/2020]

      Body Electrical > Telematics > Trouble Codes 

      OK

      No DTC is output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (MOBILE PHONE BATTERY IS DEFECTIVE) 

    Result: 

    NG 

    See step  5

  5. REPLACE DCM (TELEMATICS TRANSCEIVER) 
    1. Replace the DCM (Telematics Transceiver).

      Refer to REMOVAL [10/2017 - 09/2018] , or refer to REMOVAL [09/2018 - 10/2020]

      NOTE:
      • The power 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 [10/2017 - 10/2020]