DTC B1D57-13: Antenna #4 Circuit - Circuit open: Action

NOTE: Vehicle Information and Communication System (VICS) is a type of Traffic Message Channel system used in the Japan market only

Refer to the appropriate system wiring diagrams and check the VICS antenna circuit for open circuit, high resistance. Using the manufacturer approved diagnostic system, clear the DTCs and retest. If the fault persists, install a new integrated audio module