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Discussion Starter #1 (Edited)
Disclaimer:
No talks of piracy, illegal links to download map files, fraudalent practices in obtaining GPS units etc. This is the guide to update your Garmin maps on your 8.4N RB5.
Use the following at your own risk; I am not responsible for breaking your system. I have come to realize though that this process mainly messes with the Map files, so if you screw up anything technically you can redo the process to fix it, it doesn't mess with the underlying Garmin software so that still gives you access to fix issues. The links below are not mine, again use at your own risk.

Using this method you can get quarterly updates for a flat one time cost of buying a GPS unit.
P.S. no you do not need to buy a brand new unit, you can buy broken units, as long as your PC can read and detect the GPS you are good to go (i.e. screen cracked units on eBay for cheap).

Tools required:
Garmin Nuvi LMT with ASR for CTP2012/2012.5 (3490/3590LMT/3597LMT guaranteed to work - 3580LMT reported to work)
Garmin Nuvi 3490LMT/3590LMT/3597LMT for CTP2012/2012.5/CTP13 (3580LMT reported to work)
gimgunlock
JetMouse
Garmin Express
8GB+ USB Stick (the systems are very picky about the USB drives... if one does not work try a different one... slower drives works best)
Reported working drives:
SanDisk Cruzer 8GB (CTP2012)
Lexar S50 8GB (CTP2012)
Kingston Digital 16GB DataTraveler 101 G2 (CTP13)
Kingston Digital 16GB DataTraveler 111

CTP2012 / 2012.5
1-Copy the Garmindevice.xml from the nuvi onto your USB stick to the folder Garmin/
2-Run Garmin Express
3-Download CN NT 2015.30 NA update
4-Garmin Express will download the files to the USB stick in folder .system/, keep only the following files/folders:
.system/ASR (folder+contents): *******0.SRX to *******3.ASR (only the first 4 sequential files)
.system/gmapprom.img
.system/GMAPTZ.IMG
5-Rename .system/ to Garmin/
6-Create Garmin/JCV (folder)
7-Download: 2015.30 Full Size JCV http://download.garmin.com/support/2015_30/NA/JV/D3060160A.JCV and put it in JCV folder (this download is not required if your Nuvi version downloads the Full Screen JCV by default)
8-Put car in run mode (with engine on or not)
9-Turn all unnecessary features off (i.e. A/C)
10-Leave your radio on (needed to recognize a USB is plugged in)
11-Goto the Navigation screen
12-Plug USB stick into vehicle, it will start Validating the USB stick
13-When the update prompts, follow the menus, when it askes for an unlock code, use JetMouse (usage not explained here)
14-Let the system update (1-1.5hr process, if engine is not on, the car will shutdown after some time, to prevent this cycle the off-acc-run button so it resets the idle timer)
15-Once it reaches 100%/full completion bar: It will either give a maps updated successfully message or reflash failed message. Just verify that the maps loaded fine, but you should be GTG.

CTP13
1-Copy the Garmindevice.xml from the nuvi onto your USB stick to the folder Garmin/
2-Run Garmin Express
3-Download CN NT 2015.30 NA update
4-Garmin Express will download the files to the USB stick in folder .system/, keep only the following files/folders:
.system/ASR (folder+contents): *******0.SRX to *******3.ASR (only the first 4 sequential files)
.system/SID (folder+contents): *********.sid (1st, 4th file only: D2656xxxx.sid & D3406xxxx.sid)
.system/SQLite (folder+contents)
.system/GMAP3D.IMG
.system/gmapprom.img
.system/GMAPTZ.IMG
5-Rename .system/ to Garmin/
6-Run gimgunlock on GMAP3D.IMG and GMAPPROM.img (usage not explained here)
7-Create text files GMAP3D.unl and GMAPPROM.unl and paste unlock code from JetMouse (usage not explained here, most state to exclude this step, but it had no negative effect on my system leaving it in the Garmin/ folder)
8-Put car in run mode (with engine on or not)
9-Turn all unnecessary features off (i.e. A/C)
10-Leave your radio on (needed to recognize a USB is plugged in)
11-Goto the Navigation screen
12-Plug USB stick into vehicle, it will start Validating the USB stick
13-When the update prompts, follow the menus
14-Let the system update (1-1.5hr process, if engine is not on, the car will shutdown after some time, to prevent this cycle the off-acc-run button so it resets the idle timer)
15-Once it reaches 100%/full completion bar: It should more than likely give a reflash failed message vice maps updated successfully message. Just verify that the maps loaded fine, but you should be GTG.
 

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I found an interesting document here. It is a service bulletin for RE2, RE3, RE6, RB4, RB5 and RB6 Radio Enhancements. It doesn't specifically list the Dart but says Chargers, 300s and Journeys built on or before July 9th, 2012 or July 16th 2012 can be updated. My Dart has a build date of early July 2012. I'm thinking about ordering the two update CD's (68213523AA and 68213518AA) to see if they might apply to my Dart. A couple places list them for around $10 each.

Hmm, may have found the second update here (scroll to the bottom). This is *ONLY* for the RB5 CTP2012(.5) Darts, not the newer CTP2013 Darts. I'll probably still order both CD's anyway.

Follow-up: The above link for the second update did in fact upgrade the Garmin software version from 2.31 to 4.14. I investigated the first update a bit further. I think it would not work on the system in the Dart. It appears to be older than the version included with the RB5 in my Dart.
 

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I found an interesting document here. It is a service bulletin for RE2, RE3, RE6, RB4, RB5 and RB6 Radio Enhancements. It doesn't specifically list the Dart but says Chargers, 300s and Journeys built on or before July 9th, 2012 or July 16th 2012 can be updated. My Dart has a build date of early July 2012. I'm thinking about ordering the two update CD's (68213523AA and 68213518AA) to see if they might apply to my Dart. A couple places list them for around $10 each.

Hmm, may have found the second update here (scroll to the bottom). This is *ONLY* for the RB5 CTP2012(.5) Darts, not the newer CTP2013 Darts. I'll probably still order both CD's anyway.

Follow-up: The above link for the second update did in fact upgrade the Garmin software version from 2.31 to 4.14. I investigated the first update a bit further. I think it would not work on the system in the Dart. It appears to be older than the version included with the RB5 in my Dart.

Thanks for the link. I was able to update my nav software without issue. FYI for others, My dart was built in Oct 2012, and has the CTP 2012.5
 

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@EstoyLoco any idea why my UConnect says that my update file 2014.40 isn't compatible with my unit? I have the CTP2013 version and my USB drive has all of the folders and contents setup like you have listed above. I've got the .unl files with the unlock codes sitting in the main folder along side the .img files (which were unlocked).
 

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@EstoyLoco any idea why my UConnect says that my update file 2014.40 isn't compatible with my unit? I have the CTP2013 version and my USB drive has all of the folders and contents setup like you have listed above. I've got the .unl files with the unlock codes sitting in the main folder along side the .img files (which were unlocked).
Perhaps USB drive is too fast/new or the maps are wrong. I haven't had a chance to try updating my maps yet. I purchased a 3590LMT with a cracked screen for less than $50 on eBay.
 

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Perhaps USB drive is too fast/new or the maps are wrong. I haven't had a chance to try updating my maps yet. I purchased a 3590LMT with a cracked screen for less than $50 on eBay.
I've tried 3 USB drives and this last one was the only one to actually work on the system to even get the message to come up. The others kept giving me a read error when trying to validate the update.
 

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I thought the CTP2013 systems didn't require the unl files. At least I think I read that somewhere. I'll see if I can find where I read that.

Did the maps you used include Canada and Mexico? The map has to match what the Dart has and it has the North American one that included Canada and Mexico.
 

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I thought the CTP2013 systems didn't require the unl files. At least I think I read that somewhere. I'll see if I can find where I read that.

Did the maps you used include Canada and Mexico? The map has to match what the Dart has and it has the North American one that included Canada and Mexico.
I have 2 different sets of maps. One is just US, and the other is everything. I'll try it out without the .unl file in the folder and see if that works when I have a chance.
 

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I thought the CTP2013 systems didn't require the unl files. At least I think I read that somewhere. I'll see if I can find where I read that.

Did the maps you used include Canada and Mexico? The map has to match what the Dart has and it has the North American one that included Canada and Mexico.

I haven't tried mine yet but I ran GMapTool (info) on the gmapprom.img after updating my Garmin. It lists the file as "PID 1, FID 3187, CN North America NT 2014.40". Not sure if it helps.
 

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I haven't tried mine yet but I ran GMapTool (info) on the gmapprom.img after updating my Garmin. It lists the file as "PID 1, FID 3187, CN North America NT 2014.40". Not sure if it helps.
Mine has the same FID, but I didn't use the gmaptool.
 

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I broke down and bought a 3590lmt yesterday, should be here Thursday. Weird thing is now my GPS speed is way off sometimes, or at least it was on my was home.

Edit: GPS worked fine later in the day. May have been fluke.
 

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I tried updating mine a while back and got this error message.
View attachment 31567
Haven't tried it yet with these instructions though.
Mine has the same FID, but I didn't use the gmaptool.
Do you have the CTP2012 or the CTP2013 version? I believe the CTP2013 has to have the GMAP3D.IMG and GMAPPROM.IMG files unlocked first. From reading elsewhere, you should not include the associated .unl files.

I tested my usb stick on my CTP2012. I got to the point where it asks for the unlock code. I didn't have time for the update so I quit. I hope to try the map update over the weekend.
 

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Do you have the CTP2012 or the CTP2013 version? I believe the CTP2013 has to have the GMAP3D.IMG and GMAPPROM.IMG unlocked first. From reading elsewhere, you should not include the associated .unl files.

I tested my usb stick on my CTP2012. I got to the point where it asks for the unlock code. I didn't have time for the update so I quit. I hope to try the map update over the weekend.
I have CTP2013 and the maps are unlocked. I have the .unl files in the folder though, I just haven't had a chance to try again with those removed. Maybe this weekend.
 

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I have the latest unlocked files for gmapsupp and gmap3d or what ever they are labeled as. BUt is the only way to get the other files is to buy a nav unit as directed and they download with the 2014 file?

Or are those just directories one has to create.
 

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For the purpose of this discussion, the proper way to get the files is to purchase a 3490LMT or a 3590LMT (possibly others) and update them through Garmin Express or buy the update DVD that has year old maps. You can download the appropriate JCV file directly from Garmin though.
 

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I think someone should just download and post them here lol.
 

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For the purpose of this discussion, the proper way to get the files is to purchase a 3490LMT or a 3590LMT (possibly others) and update them through Garmin Express or buy the update DVD that has year old maps. You can download the appropriate JCV file directly from Garmin though.
of course that is the proper way but why when the info is available. just have to find it or be shown where it is.
 
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