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

NOTE: If this DTC is logged 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 appropriate system wiring diagrams and check the infotainment master controller front Bluetooth® antenna circuit for short circuit to power, open circuit, high resistance
Refer to the appropriate system wiring diagrams and check the infotainment slave controller (where fitted) rear Bluetooth® antenna circuit for short circuit to power, open circuit, high resistance