6-12 GPS 175/GNX 375 Pilot’s Guide 190-02207-02 Rev. 1Messages6.9 Traffic System AdvisoriesADVISORY CONDITION CORRECTIVE ACTION1090ES trafficreceiver fault.ADS-B LRU unable toreceive 1090 ExtendedSquitter traffic.Service required.Contact dealer for support.ADS-B trafficalerting functioninoperative.ADS-B LRU reports atraffic alerting failure.ADS-B trafficfunctioninoperative.ADS-B LRU reports afailure with the ADS-BTraffic input.Traffic/FIS-Bfunctionsinoperative.ADS-B LRU reports acritical fault and isinoperative.Communication with theADS-B LRU is lost.UAT fault. UAT LRU reports a lowbattery or fan fault.UAT traffic/datareceiver fault.ADS-B LRU unable toreceive UAT traffic andFIS-B data.