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Home >> Lexus >> 2021 >> NX 300 Base, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System (Except 8 Speakers) - Diagnostic Codes & Symptom Tests >> AUDIO AND VISUAL SYSTEM (Except 8 Speakers) >> DTC B15FE: XM Tuner Antenna Disconnected; DTC B15FF: XM Tuner Antenna Short [10/2014 - 09/2017] >> Procedure

DTC B15FE: XM Tuner Antenna Disconnected; DTC B15FF: XM Tuner Antenna Short [10/2014 - 09/2017]: Procedure

  1. CHECK CONNECTION OF ANTENNA CABLE 
    1. Check if the roof antenna assembly (satellite radio antenna) cable is securely connected to the radio receiver assembly.

      OK

      Roof antenna assembly (satellite radio antenna) cable is securely connected.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    SECURELY CONNECT SATELLITE RADIO ANTENNA CABLE 

    Result: 

    OK 

    See step  2

  2. CHECK ROOF ANTENNA ASSEMBLY (SATELLITE RADIO ANTENNA) 
    1. Replace the roof antenna assembly (satellite radio antenna).

      Refer to REMOVAL [10/2014 - 05/2019]

    2. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

      Body Electrical > Navigation System > Clear DTCs 

    3. Recheck for DTCs and check that no DTCs are output.

      Refer to DTC CHECK / CLEAR [10/2014 - 09/2017]

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (ROOF ANTENNA ASSEMBLY [SATELLITE RADIO ANTENNA] IS DEFECTIVE) 

    Result: 

    NG 

    REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [10/2014 - 09/2017]