RNS 850 Nav Loses Position - Club Touareg Forums
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post #1 of 2 Old 10-10-2018 Thread Starter
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RNS 850 Nav Loses Position

If my Treg sits for a couple hours or more, it has issues with tracking an accurate location on the map. Sometimes itís off by a half mile, sometimes itís several miles off.

When I check to see how many satellites itís locked on to, it says 0/16. Turning the system off and and doing the hard reset button sequence has no effect. I have driven 30 min in a clear area with no change.

Only thing that seems to correct it is of I shut the engine down and then immediately restart the engine it, then it will immediately connect to satellites and corrects its position on the screen.

Anyone run into this and have any insight? I have virtually never had the Nav map screen up in two years until the last month so I have no clue if this is a recent thing or if itís always been like that.

I have firmware P0739 and NAR 6.14.2 Maps.


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post #2 of 2 Old 12-06-2018
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This means that moist has entered the gps antenna on the roof and ruined it. Change the antenna, problem goes away. But it isnīt cheap. I guess you need to fork out about $550 to get it done.
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