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Unread 04-18-2012, 10:46 AM   #16
ncb
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The clock in the radio is controlled by a module? Seems like it would be in the radio on a PC board.

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Unread 04-18-2012, 11:19 AM   #17
1AAdam
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that what i thought too. i don't know if they would have a separate module
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Unread 04-19-2012, 12:05 AM   #18
Jeepjet
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Quote:
Originally Posted by ncb View Post
The clock in the radio is controlled by a module? Seems like it would be in the radio on a PC board.
They do indeed, you can talk with your dealer but there is still no cure, there's lots of talk about this on most of the other Jeep models message boards.
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Unread 04-19-2012, 12:37 AM   #19
ronjenx
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I fixed mine by retiring.
Knowing the exact time is a lot less important to me now.
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Unread 04-19-2012, 12:57 AM   #20
PhatJK
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Originally Posted by MusicMaverick View Post
I've noticed that my aftermarket KW-XR810 stereo's clock has been running slow. I always sync it to the same as my phone, but after a while it starts to lose pace. Now, about a month or 2 later, its 5 minutes behind.

When I did a search, I've noticed this to be a problem for others with their stock stereos as well. I'm wondering if there is something electrically wrong that is affecting the after market stereo.

Anyone know?
Cold weather slows down the digital clock, all digital clocks. This is because the quartz vibration slows down a tiny fraction at low temperature and speeds up during hot weather. Mine follows GPS so it's accurate.
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Unread 04-19-2012, 02:18 AM   #21
ronjenx
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Originally Posted by PhatJK View Post
Cold weather slows down the digital clock, all digital clocks. This is because the quartz vibration slows down a tiny fraction at low temperature and speeds up during hot weather. Mine follows GPS so it's accurate.
It's not that simple.
A graphic representation of a crystal's frequency variation due to changes in temperature forms a parabolic curve, where any temperature variation, up or down, from it's "likes to be at" temperature will slow the crystal's vibrations.
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Unread 04-19-2012, 12:31 PM   #22
PhatJK
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Originally Posted by ronjenx View Post
It's not that simple.
A graphic representation of a crystal's frequency variation due to changes in temperature forms a parabolic curve, where any temperature variation, up or down, from it's "likes to be at" temperature will slow the crystal's vibrations.
Yes you are right about that. I was trying to explain but in the process over-simplified it. However, in my non-GPS vehicle, in colder climate, I started to notice the clock slowed down a minute or so after about 2-3 weeks. That is a very slow change
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Unread 04-20-2012, 12:12 PM   #23
02 Grand
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Keeping time is still a relatively new concept. Chrysler will get it figured out one of these days. It's all relative.

And yes, mine looses a couple of minutes a month. Annoying.
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Unread 04-21-2012, 09:13 PM   #24
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Originally Posted by 02 Grand View Post
Keeping time is still a relatively new concept. Chrysler will get it figured out one of these days. It's all relative.

And yes, mine looses a couple of minutes a month. Annoying.
Mine looses 3 - 4 minutes per month. I'm in Florida, so my crystals are pretty warm LOL
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Unread 04-22-2012, 01:57 AM   #25
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I leave the MyGig to set it via GPS. Mine was off before i set that option.
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Unread 06-03-2013, 02:46 PM   #26
bboehm
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I just took my 2012 in last week and they have a fix for it now. Some sort of new module they installed.
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Unread 06-03-2013, 09:27 PM   #27
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I believe there is a fix now. I also believe that there is a TSB regarding this, it involves replacing the module that also controls the keyless entry. Do a search on here and it should show up.
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Unread 06-04-2013, 01:41 AM   #28
tankinyj
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My 2012 has a slow clock, have to reset it every couple of weeks
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Unread 06-04-2013, 01:15 PM   #29
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I set mine to reflect the satellite radio time and it stays fairly accurate. Otherwise, I kept having to switch mine too.
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Unread 06-04-2013, 02:56 PM   #30
djm
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Here is the link to an earlier thread on this topic and the TSB issued regarding the clock loosing time.

Hope this helps !

http://www.jeepforum.com/forum/f96/s...-time-1467450/
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