6-14 GPS 175/GNX 375 Pilot’s Guide 190-02207-02 Rev. BMessages6.10 Traffic System Advisories6.10.1 Traffic Advisories, GPS 175ADVISORY CONDITION CORRECTIVE ACTION1090ES trafficreceiver fault.ADS-B LRU unable toreceive 1090 ExtendedSquitter traffic.Service required.Contact dealer for support.ADS-B Out fault.Check transponderis in correct mode.GDL 88 reports a controlpanel input failure.Verify transponder is in thecorrect mode. Contact dealerif message persists.ADS-B failure.Unable to transmitADS-B messages.GDL 88 is unable totransmit ADS-Bmessages due to afailure occurring withone of the following:• GPS position• ICAO addressverification• UAT transmitter• UAT broadcast• Bottom antenna• Bottom and topantenna (GDL 88Donly)Service required.Contact dealer for support.ADS-B fault.GDL 88 needsservice.ADS-B LRU reports oneof the followingconditions.• Low battery• Fan fault• GDL 88D fault withonly one antennaoperationalADS-B trafficalerting functioninoperative.ADS-B LRU reports aCSA or TSAA/ATASfailure.
