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Any Ideas on RNS-E Navigation Going Crazy?

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Any Ideas on RNS-E Navigation Going Crazy?

 
Old 12-20-2008, 10:13 PM
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Default Any Ideas on RNS-E Navigation Going Crazy?

Drove from DC to St. Louis and back over the last week. About 5 hours into the drive on the way to STL, the RNS-E decides I'm somewhere outside of IL instead of WVA or wherever the hell I was. After multiple reset attempts and a 30 minute stop at a Wendy's (which had free wi-fi!) I get back in the car and all is well for the rest of the trip. On the way back, about 3 hours or so into the drive, it craps out. Tells me I'm driving north into Chicago or something, when I'm actually heading east on 70. It would not correct itself until deep into Ohio, and then would crap out on me again in Maryland. Can't figure out if a wire might be loose behind the unit (haven't pulled it yet), if the GPS antenna placement is somehow screwing things up, or if heat from long-term use is causing the problem. Luckily I had the route backed up on my Treo prior to departing STL, because for a solid 5 hours or so the nav was completely out of whack.

My rear view mirror continues to display accurate direction, but the nav system just seems to completely get screwed up and starts telling me I'm somewhere else on the map entirely. Even now in short drives it occasionally jumps and tells me i'm off road before suddenly self-correcting. Any thoughts? My unit is a Euro model running the second software release (the one that got rid of the idiot screen). It's been in the car for well over a year now. Car sat for about year while I was deployed to Iraq. First time noticing these issues, but also first time taking a trip longer than 5 hours in one shot with the unit.
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Old 12-21-2008, 07:34 AM
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Default Start with checking how many SAT you receive

when it starts acting up. Also pull the logged faults with a VAG-COM cable or by the delear. Mirror and navi have no connection at all, they both use their own method to determing the direction.
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Old 12-21-2008, 07:37 PM
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Default Good tips - don't have a VAG-COM tool but maybe it's time to get one.

Working fine now, but still "drifts" from time to time. Thinking about a road trip from DC to Atlanta, which will probably be long enough to trigger the problems again...if this somehow has something to do with the unit or cables heating up.
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Old 12-24-2008, 06:25 AM
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Default Good Points...

My RNS-E shows me in the middle of nowhere whenever my SATS are down.
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Old 12-24-2008, 06:26 AM
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Default Are you using the sharkfin antenna or one under the cluster...

Also, if you need help with a VAG-COM im from northern NJ. Come by anytime and i will give you a hand.
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