DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System (12.3 Inch Display) - Diagnostic Codes >> NAVIGATION SYSTEM (for 12.3 Inch Display) >> DTC B1551: HD Radio Tuner Malfunction; DTC B158D: Video Signal Stoppage; DTC B15A0: LAN Master Malfunction; DTC B15B3: Radio Tuner Malfunction; DTC B15B7: Bluetooth Module Malfunction; DTC B15BA: XM Tuner Malfunction [12/2019 - 10/2022] >> Procedure

DTC B1551: HD Radio Tuner Malfunction; DTC B158D: Video Signal Stoppage; DTC B15A0: LAN Master Malfunction; DTC B15B3: Radio Tuner Malfunction; DTC B15B7: Bluetooth Module Malfunction; DTC B15BA: XM Tuner Malfunction [12/2019 - 10/2022]: Procedure

  1. CHECK DTC 
    1. Clear the DTCs.

      Body Electrical > Navigation System > Clear DTCs 

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

      Body Electrical > Navigation System > Trouble Codes 

      OK

      No DTCs are output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

    Result: 

    NG 

    REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2019 - 10/2022]