Thread: Using TMC in Garmin nuvi for free

i can't find my TMC ID. all i can find is my subscription id...
i have a nuvi 680.
any help would be appreciated.

With your GTM plugged in go to traffic, subscriptions, add subscription. It gives you your ID to use on the garmin website to purchase additional traffic services.

regards

A

Originally Posted by Midnight Blues

I'm not sure, but as it is in menu under "Subscriptions", I think that's ID you should use.

With my nuvi 680 plugged into the traffic receiver I go into the MSN direct icon on the lower right corner and what appears is a 20 character product key for my expired subscription.

I've looked under the all other menus and can't find "add subscription".
Has anyone made this work for a nuvi 600 series?
Is there any other way to get the 10 digit TMC ID?
The only ten digit ID I've been able to find is my unit ID.

A MSN receiver is different from an ordinary TMC receiver. You will need to buy an alternate to use the codes in this thread.
When you have one
Going to menu Tools, Settings, Traffic, Subscriptions should give you the ID.

Originally Posted by andy1

A MSN receiver is different from an ordinary TMC receiver. You will need to buy an alternate to use the codes in this thread.
When you have one
Going to menu Tools, Settings, Traffic, Subscriptions should give you the ID.

well that explains it all. thanks alot!
hopefully this will be of some help to other noobs such as myself.

Works fine on a Nuvi 255T with GTM25. With your explanations I am able to have both Via Michelin and Vtrafic providers of TMC in France.

Thanks again !!!

Originally Posted by keith13b

I have the same problem - Nuvi 680



I went out and bought another powercord w/ traffic antenna. Same problem. The unit itself seems to only use MSN software. Do I need to change my firmware to allow other traffic subscriptions? Also the above sequence "menu Tools, Settings, Traffic, Subscriptions" does not exist for my Nuvi 680.

The best I can do is "Tools - Navigation - Avoidances - then check the traffic box

Just stuck on how to get a TMC ID or which cable to buy exactly. Those things aren't cheap and I don't want to keep buying them using trial and error!

Any help is appreciated.


Edit: Found a GTM-10 10 digit code. It stays the same regardless which antenna I use though.

You need a GTM21 - about $40.
Plug it in.
Power GPS
turn off gps
Use garmin webupdater to ensure gtm correct firmware
power up gps again with gtm21
you should have options to add subscriptions.

PS most gtm come with a subscription.