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Old 10-11-2013, 12:28 PM
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Nav doesn't know where it is!

I have a weird problem with my nav. While driving down the road it will show you where you were 10min ago, but not where you are now!!

Last night I drove to a friends house 7 miles from home, and the map showed I was still about a 1/4mi. from home! I was at his house for about 3 hours, then when I got in it to leave, it was showing correctly (or close) that I was at his house, so I thought maybe it was just a glitch and now it is fine. Nope! When I drove back home, the map showed I was about a mile from my friends house (6 miles from where I really was. Next morning when I got in it, it was still showing I was 6 miles from where I really was.

I thought maybe the GPS antenna was not connected good, so I took the radio out and it seemed to be fine, nothing obviously wrong anyway....
they all "looked" and "felt" fine. Moving and wiggling them did not make it work. (I think I was looking at the right wire... not exactly sure which one is the GPS antenna wire)

SO, any ideas?? Is it possible it is a hard drive failure?? If it is a antenna/wire failure, how do I check? Any help would be MUCH appreciated!! THANKS!!


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Old 10-11-2013, 12:49 PM
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Re: Nav doesn't know where it is!

Quote:
Originally Posted by Just Me View Post
I have a weird problem with my nav. While driving down the road it will show you where you were 10min ago, but not where you are now!!

Last night I drove to a friends house 7 miles from home, and the map showed I was still about a 1/4mi. from home! I was at his house for about 3 hours, then when I got in it to leave, it was showing correctly (or close) that I was at his house, so I thought maybe it was just a glitch and now it is fine. Nope! When I drove back home, the map showed I was about a mile from my friends house (6 miles from where I really was. Next morning when I got in it, it was still showing I was 6 miles from where I really was.

I thought maybe the GPS antenna was not connected good, so I took the radio out and it seemed to be fine, nothing obviously wrong anyway....they all "looked" and "felt" fine. Moving and wiggling them did not make it work. (I think I was looking at the right wire... not exactly sure which one is the GPS antenna wire)

SO, any ideas?? Is it possible it is a hard drive failure?? If it is a antenna/wire failure, how do I check? Any help would be MUCH appreciated!! THANKS!!


hi

which unit you have??
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Old 10-11-2013, 01:17 PM
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Re: Nav doesn't know where it is!

Sorry, forgot to say... it's the 730n RER
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Old 10-11-2013, 01:19 PM
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Re: Nav doesn't know where it is!

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Sorry, forgot to say... it's the 730n RER
look in the nav menu how many sattelite Show the Screen?
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Old 10-11-2013, 01:39 PM
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Re: Nav doesn't know where it is!

THANKS for the replies!! I wasn't sure what you meant, but I think I figured it out. I went to the nav menu and selected GPS position, and that brought up a split screen... left was the map, on the right was the address of where I am (incorrectly) and at the bottom of that it said GPS satellites. It was switching between 6 and 7 and the bar graph was not quite up to half way. The car has been sitting in the drive for about 3 hours and it still says my location is across town from where I really am.
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Old 10-11-2013, 01:49 PM
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Re: Nav doesn't know where it is!

Quote:
Originally Posted by Just Me View Post
THANKS for the replies!! I wasn't sure what you meant, but I think I figured it out. I went to the nav menu and selected GPS position, and that brought up a split screen... left was the map, on the right was the address of where I am (incorrectly) and at the bottom of that it said GPS satellites. It was switching between 6 and 7 and the bar graph was not quite up to half way. The car has been sitting in the drive for about 3 hours and it still says my location is across town from where I really am.
,


ok you have gps, this are good, now we make a gps recalibration.

you must go in the enigeereing mode for this, important please dont touch the Screen calibration!

for enter in this menu you must plug seek+ seek- and menu all together, , then you see a message from hb klick ok, now you are in the menu.
on the left site you can Change the page you must go to nav debug menu and klick on the button, now you see empty, go on the left side 3x up and the you see the gps calibration, push and wait.









after finish go out and drive with the car some 500m

Feedback.
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Old 10-11-2013, 02:11 PM
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Re: Nav doesn't know where it is!

You are AWESOME!!! That worked perfectly!! It is working as it should now!! THANK YOU!!!!
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Old 10-11-2013, 02:14 PM
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Re: Nav doesn't know where it is!

no Problem Buddy!
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Old 10-11-2013, 02:26 PM
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Re: Nav doesn't know where it is!

One other question.... The database of my radio is N 0849 3.0.3 and the Gracenotes is 1287 would it be any benefit to update to a newer version?? THANKS!!
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Old 10-11-2013, 02:37 PM
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Re: Nav doesn't know where it is!

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Originally Posted by Just Me View Post
One other question.... The database of my radio is N 0849 3.0.3 and the Gracenotes is 1287 would it be any benefit to update to a newer version?? THANKS!!
sure

for nav database you can order and buy here, last newest Version.

Jeep - Grand Cherokee - 2009 - Chrysler Group - Americas Map for UConnect - RER 2014 -

Gracenotes you can update in 2 steps, first 2057, the 4620

Gracenotes Update MyGIG RER 4620
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Old 10-11-2013, 03:03 PM
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Re: Nav doesn't know where it is!

Thanks!!
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Old 10-11-2013, 03:04 PM
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Re: Nav doesn't know where it is!

your welcome
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