DTC B1551: HD Radio Tuner Malfunction; DTC B15A0: LAN Master Malfunction; DTC B15B3: Radio Tuner Malfunction; DTC B15B5: DVD Changer Malfunction; DTC B15B7: Bluetooth Module Malfunction [12/2017 - 10/2022]: Procedure

1. Clear the DTCs.

   Refer to DTC CHECK / CLEAR [12/2017 - 10/2020] , or refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

   Body Electrical > Navigation System > Clear DTCs 

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

   Refer to DTC CHECK / CLEAR [12/2017 - 10/2020] , or refer to DTC CHECK / CLEAR [10/2020 - 10/2022]

   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 [12/2017 - 09/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2018 - 10/2020]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [10/2020 - 11/2021]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2021 - 10/2022] 

Result: 

NG 

REPLACE RADIO RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2017 - 10/2022]