No has activado el mapa supongo, activalo de nuevo o cambia de activador. Pon tu ttgo actual para ver que navcore tienes
[TomTomGo]
DeviceName=TomTom ONE
DeviceVersionHW=ONE (v8)
DeviceSerialNumber=PB1218H00704
DeviceUniqueID=AKSHL AJG56
RamDiskVersion=20091015
BootLoaderVersion=55011
LinuxVersion=0
ApplicationVersionVersionNumber=8419
ApplicationVersion=1257
UserLanguage=Español
UserName=carballo1959@gmail.com
LastConnectionTime=Never
GPSFirmwareVersion=
BuiltInColorScheme0=Belgica
BuiltInColorScheme1=Brittanica
BuiltInColorScheme2=America
BuiltInColorScheme3=Germanica
BuiltInColorScheme4=Australia
BuiltInColorScheme5=Deuteranopia
BuiltInColorScheme6=Greys
BuiltInColorScheme7=Antarctica
BuiltInColorScheme8=Africa
BuiltInColorScheme9=Astra
CurrentColorSchemeBuiltIn=2
CurrentVoiceInfo=Marta
CurrentMap=
CurrentMapVersion=0.0
Traffic=N
CurrentFuelpricesType=
CurrentFuelpricesTypeString=
CurrentFuelpricesLastFullUpdate=
ValueRatio=A5SSGoogqJdTWccRmw==
Features=PlusEphemeris,PlusFuelPrices,HomeBackup,TTS,TTSCompressed,TTSLoquendo700,VoiceBrowser,LinkVolumeToSpeed,MapShare,Newyork,Itinerary,Caymann,Durham,Leeway,CarSymbol,RDSTMC,SDSlot,InternalFlash,SupportGetAMap
SupportedPatchTypes=3F
NrSupportedErrorTypes=132
UserPatchDatVersion=102
CompressedPatchVersion=150
MapServerPatchDatVersion=104
DeletedPoiDatVersion=200
ServerLineIndexDatVersion=102
ServerNameIndexDatVersion=102
MapShareSupportedProviders=203
CharacterSet=Latin-1
VehicleBrand=
VehicleModel=
VehicleOptions=
El navcore parece estar bien, activa tu mapa con uno de estos métodos: