DTC B1647 Vas Error: General Description

VAS gives warning to driver when major problem of vehicle occurs, when VAS operating condition, IPM transmits `mute' signal to AV head unit to make speaker be in waiting mode, then IPM translate sound signal from external amp to speaker through CMD relay, warning items of VAS are seatbelt, charging voltage, sunroof, PSD/PTG, fuel shortage and VAS operates only when IG and VAS switch is "ON".