DTC B14B4-15: Bluetooth Antenna #1 - Circuit short to battery or open: Action

NOTE: If this DTC is set simultaneously with a cluster of DTCs including U200F-11, check symptoms for U200F-11 first, rectify the fault, clear DTCs and retest

Refer to the electrical circuit diagrams and check the infotainment master controller front Bluetooth® antenna circuit for short circuit to power, open circuit, high resistance. Repair or replace wiring harness as necessary
Refer to the electrical circuit diagrams and check the infotainment slave controller (where fitted) rear Bluetooth® antenna circuit for short circuit to power, open circuit, high resistance