GTM36 and GTM26 problem with TMC on nuvi series 2xxx and 3xxx

**lolypop000** · 1st September 2012, 06:51 PM

New nuvi 24x5, 25x5, 3400, 3500 work with GTM25 and GTM35 with original and with jetmous subscription.

**lolypop000** · 4th September 2012, 10:02 AM

Can you upload cc and ecc version?

**tom1807** · 5th September 2012, 04:08 AM

No problem, here you go

**Giomen** · 11th September 2012, 02:20 AM

I did not go into the details as usual

But first version of 006B090100.GCD was announced by Garmin as patch to 006B048201.bin SW and not as FirmwareUpdateforGTMxxTrafficReceiverType3:

Code:

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Also I put another loophole old classic TMC for all FM radio and in my heart I do believe that 006B048201.bin use all receivers for old broadcasting format likes in my car radio in old Jeep.

**lolypop000** · 12th September 2012, 09:45 PM

With FW 7.20 on nuvi 3490 TMC and GTM36 still wont work.
They repair int now find correct number but still cant find (lock) sid number.

**alphaxeon** · 14th September 2012, 10:14 AM

Hi all, I have a nuvi 2495lmt, and I followed the guide written in this thread. I applied the "24x5 & 25x5 series" patch without any problem, a lot of features were enabled, but the traffic cable is not detected anymore. It's plugged in but the nuvi says to plug in the cable. (Before the procedure everything was working fine). I have fw 7.20, european nuvi (I'm from italy).
thanks
PS I'm searching on the forum for an answer, so sorry if this question was already posted.

**catymag** · 14th September 2012, 12:01 PM

@alphaxeon-
I moved your post in this thread, others had the same problem .

**alphaxeon** · 15th September 2012, 06:02 PM

thanks, I've read about this matter and actually I don't have a gtm26. In the box with the 2495lmt there is a gtm25, which someone wrote on some forum that shouldn't be even detected by the 2495 because too old I think. Mine was working until the patch. Maybe I should try a gtm26 and see if it can work.

**Neil** · 16th September 2012, 01:22 AM

@alphaxeon
Maybe it is regional and depends on the traffic provider whether 2xxx works with GTM25. Here in AU for instance, GTM25 & GTM35 both fine with my 265W, 1300, 1390, 2350 (ok, i know 64mb ram, my shame but it was cheap) and also 3790. No apparent difference in the usage/service.

**alphaxeon** · 18th September 2012, 05:32 PM

just to summarize, if after the modification the gtm doesn't work anymore, there is no way to undo the mod, based on what I've read in this thread. So the only solution is to wait for a fw update from garmin?

Thread: GTM36 and GTM26 problem with TMC on nuvi series 2xxx and 3xxx

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