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"C6 from 2005-2010 navigation radio clock stops after battery disconnect

 
Old 12-23-2018, 11:03 AM
  #21  
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The manual says that the clock is set by military satellites through GPS. Was that taken away by the military. I don't know!!!
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Old 12-23-2018, 11:09 AM
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That's my screen. Pressing any of the buttons does nothing including the up and down or 24 hrs button. It's all blank.
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Old 12-23-2018, 12:58 PM
  #23  
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Mine is doing the same thing. Im miffed. The service manager at Folsom chevy says for $150 diagnosis fee the should be able to figure it out. I ordered another antenna for the GPS so once its here I will try that. Im stumped! Anyone Help!
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Old 12-24-2018, 05:44 AM
  #24  
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Originally Posted by corvettezman View Post

That's my screen. Pressing any of the buttons does nothing including the up and down or 24 hrs button. It's all blank.
exactly the the same here
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Old 12-24-2018, 06:36 AM
  #25  
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Try going into the self-diagnostic mode and see if you can gleam any insight into what is happening. At least you can check and make sure the unit is seeing satellites (do it outside so there is a view of the sky ... even minor obstructions can block the very low-powered GPS signals).

https://www.corvetteforum.com/articl...agnostic-mode/
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Old 12-24-2018, 03:12 PM
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Awesome Sauce
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Old 12-24-2018, 08:15 PM
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Mine started doing the same thing yesterday iguess its all of us? Also did it after disconnecting the battery yesterday dec 23.

Last edited by Bertosn; 12-24-2018 at 08:20 PM.
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Old 12-25-2018, 02:29 AM
  #28  
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Originally Posted by Bertosn View Post
Mine started doing the same thing yesterday iguess its all of us? Also did it after disconnecting the battery yesterday dec 23.
Sorry for your misfortune, but I hope people keep posting as they get affected with this glitch apparently that started about a week ago.
Hopefully we can go to someone at GM with this issue because it appears to affect many.
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Old 12-25-2018, 02:31 AM
  #29  
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Hope everyone has a great Christmas, i wish you the best to all my vette brothers!
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Old 12-25-2018, 04:02 AM
  #30  
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Mine just started doing this on Dec 19th when the battery was reconnected after some non-electrical work was done. No more clock.

There's another guy in a general forum thread who had this problem last week, so that's 7 of us in one week so far. No way it's coincidence, and it seems unlikely that it's failing parts either.

I guess the real question is what corvettezman asked earlier in the thread, is it possible to disconnect/reconnect the battery on any C6 with navigation right now and still have a clock? Maybe something has changed with the GPS satellites.

Also would be interesting to know if 2011-2013 nav units (which are a little different) suffer from this problem.

Last edited by Fireblade; 12-25-2018 at 04:14 AM.
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Old 12-25-2018, 04:19 AM
  #31  
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Originally Posted by Fireblade View Post
Mine just started doing this on Dec 19th when the battery was reconnected after some non-electrical work was done. No more clock.

There's another guy in a general forum thread who had this problem last week, so that's 7 of us in one week so far. No way it's coincidence, and it seems unlikely that it's failing parts either.

I guess the real question is what corvettezman asked earlier in the thread, is it possible to disconnect/reconnect the battery on any C6 with navigation right now and still have a clock? Maybe something has changed with the GPS satellites.

Also would be interesting to know if 2011-2013 nav units (which are a little different) suffer from this problem.

i tried convincing my cousin he has a 2012 c6 GS to disconnect his battery, of course I explained to him why before hand and he decided not to proceed with my little project since he likes having the clock there lol
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Old 12-25-2018, 08:49 AM
  #32  
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Originally Posted by Bertosn View Post



i tried convincing my cousin he has a 2012 c6 GS to disconnect his battery, of course I explained to him why before hand and he decided not to proceed with my little project since he likes having the clock there lol
I don't blame him. There is a thread in C6 gen about the problem too. They should be merged and turned into a sticky for now. IMHO.
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Old 12-25-2018, 09:49 AM
  #33  
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Originally Posted by corvettezman View Post
I don't blame him. There is a thread in C6 gen about the problem too. They should be merged and turned into a sticky for now. IMHO.
haha right, more and more people will find out about this problem as the batteries get disconnected.
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Old 12-25-2018, 11:13 AM
  #34  
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For $150 Folsom Chevrolet says they'll look into my problem! Grrrrrrrrrrr!
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Old 12-25-2018, 11:14 AM
  #35  
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I have an antenna coming tomorrow and I will also run the diagnostics. Until then Merry Christmas and a Happy Clock on New Years!
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Old 12-25-2018, 11:44 AM
  #36  
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Originally Posted by tshirtmeister View Post
I have an antenna coming tomorrow and I will also run the diagnostics. Until then Merry Christmas and a Happy Clock on New Years!
I ran the diagnostics, it showed no errors and the GPS was connecting, however the coordinates , time and date were not coming up on the diagnostics.
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Old 12-25-2018, 07:12 PM
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Originally Posted by Fireblade View Post
Maybe something has changed with the GPS satellites.
Nothing has changed with the public GPS signal, and US policy says they will never turn it off (they play with the encrypted signals all the time, but we don't care) - would would immediately notice if they did in a lot more obvious ways than the clock in your C6. The next GPS "event" will be the roll-over of the week counter on 7 April 2019 (the signal only has enough bits to accommodate 1024 weeks ... it rolls over every 1023 weeks, so this will be the second time since we started launching GPS birds).

I have a 2012 nav head in my 2007 and disconnected the battery for a few hours about three weeks ago with no issues (after the system was outside long enough to reacquire a good signal). All very odd ...
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Old 12-25-2018, 07:20 PM
  #38  
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Originally Posted by 07MontyRed View Post
Nothing has changed with the public GPS signal, and US policy says they will never turn it off (they play with the encrypted signals all the time, but we don't care) - would would immediately notice if they did in a lot more obvious ways than the clock in your C6. The next GPS "event" will be the roll-over of the week counter on 7 April 2019 (the signal only has enough bits to accommodate 1024 weeks ... it rolls over every 1023 weeks, so this will be the second time since we started launching GPS birds).

I have a 2012 nav head in my 2007 and disconnected the battery for a few hours about three weeks ago with no issues (after the system was outside long enough to reacquire a good signal). All very odd ...
I did not have any issues 3 weeks ago either. The car was in the body shop to get a wide body kit and a hood on it. They disconnected the battery several times in the process. Had no issues when I got it back.
my problem started when I first posted this thread.
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Old 12-26-2018, 12:14 PM
  #39  
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Im still hoping its my Nav antenna although its a bear to install correctly. I also want to put a usb head in my 05. I've been assured it will work but am worried now. I still think I damaged my antenna while installing a PAL unit I got from Ray Kawal. He's never seen this problem either. Any Thoughts???
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Old 12-26-2018, 12:28 PM
  #40  
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Originally Posted by 07MontyRed View Post
Nothing has changed with the public GPS signal, and US policy says they will never turn it off (they play with the encrypted signals all the time, but we don't care) - would would immediately notice if they did in a lot more obvious ways than the clock in your C6. The next GPS "event" will be the roll-over of the week counter on 7 April 2019 (the signal only has enough bits to accommodate 1024 weeks ... it rolls over every 1023 weeks, so this will be the second time since we started launching GPS birds).

I have a 2012 nav head in my 2007 and disconnected the battery for a few hours about three weeks ago with no issues (after the system was outside long enough to reacquire a good signal). All very odd ...
You seem very knowledgeable about this stuff. Doesn't this have to either the Radio head or the GPS antenna? I don't believe its any of the other modules but Im looking for any ideas?
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