DTC B15BA: XM Tuner Malfunction: Procedure

CHECK DTC
1. Clear the DTCs, refer to DTC CHECK / CLEAR .
2. Recheck for DTCs and check if the same DTC is output again.
  OK
  
  No DTCs are output.
NG → See step 3

OK → See step 2
USE SIMULATION METHOD TO CHECK. Refer to HOW TO PROCEED WITH TROUBLESHOOTING
REPLACE STEREO COMPONENT TUNER ASSEMBLY. Refer to REMOVAL