2016 Chrysler Town and Country RHB   

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2016 Chrysler Town and Country RHB

Postby Draiter » Thu Jul 17, 2025 1:06 am

Hey everyone.
First post here
I have an RHB radio in my T&C.
I was able to add the US 2026.10 map using gmapsupp.img
I then named the Canada and Mexico map gmapsupp1.img
The US map flashed fine, but the canadian map wouldn't flash. I then changed the Canada map to gmapsupp.img and it doesn't detect it as a supplimental map.
I have the file structure e:\garmin\gmapsupp.img on a fat32 formated usb
Can anyone please help me? Right now it appears as tho the original map is gone... I have no canadian navigation.
Thanks
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Re: 2016 Chrysler Town and Country RHB

Postby GarminNuvi » Thu Jul 17, 2025 3:53 am

Welcome to the forum, have a look in your garmindevice.xml there might not be an option for a second supplemental map, only gmapsupp.img and gmapprom.img.
Show Spoiler
<Name>PreProgrammedMaps</Name>
<File></Specification>
<Location>
<Path>Garmin</Path>
<BaseName>gmapprom</BaseName>
<FileExtension>img</FileExtension>
<Extensions>
<dtlx:DataTypeLocationExtension>
<dtlx:ExternalPath>Garmin//</dtlx:ExternalPath>
</dtlx:DataTypeLocationExtension>
</Extensions>
</Location>
<TransferDirection>InputOutput</TransferDirection>
</File>
</DataType>
<DataType>
<Name>SupplementalMaps</Name>
<File>
<Specification>
<Identifier>IMG</Identifier>
</Specification>
<Location>
<Path>Garmin/</Path>
<BaseName>gmapsupp</BaseName>
<FileExtension>img</FileExtension>
<Extensions>
<dtlx:DataTypeLocationExtension>
<dtlx:ExternalPath>Garmin//</dtlx:ExternalPath>
</dtlx:DataTypeLocationExtension>
</Extensions>
</Location>
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Re: 2016 Chrysler Town and Country RHB

Postby Draiter » Thu Jul 17, 2025 4:17 pm

Hey, thanks for reply.
I searched through the garmindevice.xml and there is no mention of supplemental maps only base maps... but the system picks up the gmapsupp.img file.
Any ideas?




GarminNuvi wrote:Welcome to the forum, have a look in your garmindevice.xml there might not be an option for a second supplemental map, only gmapsupp.img and gmapprom.img.
Show Spoiler
<Name>PreProgrammedMaps</Name>
<File></Specification>
<Location>
<Path>Garmin</Path>
<BaseName>gmapprom</BaseName>
<FileExtension>img</FileExtension>
<Extensions>
<dtlx:DataTypeLocationExtension>
<dtlx:ExternalPath>Garmin//</dtlx:ExternalPath>
</dtlx:DataTypeLocationExtension>
</Extensions>
</Location>
<TransferDirection>InputOutput</TransferDirection>
</File>
</DataType>
<DataType>
<Name>SupplementalMaps</Name>
<File>
<Specification>
<Identifier>IMG</Identifier>
</Specification>
<Location>
<Path>Garmin/</Path>
<BaseName>gmapsupp</BaseName>
<FileExtension>img</FileExtension>
<Extensions>
<dtlx:DataTypeLocationExtension>
<dtlx:ExternalPath>Garmin//</dtlx:ExternalPath>
</dtlx:DataTypeLocationExtension>
</Extensions>
</Location>
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