Sat Nav Lost At Sea

[shsd]

My C5 2001 Sat Nav is currently placing the car in the north sea approximately 30 miles from its actual location. It will track the car's progress but cannot locate the actual car's position. I suspect an aerial fault; has anyone else suffered this problem. It has become progessively worse over the last few months and now seems completely knackered. I have tried a software reboot and cleaned the CD and Reader. I have also checked the aerial base unit for corrosion and checked the continuity of the cable between the base unit and the CD unit.

 

:unsure:

[Randombloke]

I suspect an aerial fault; has anyone else suffered this problem. It has become progessively worse over the last few months and now seems completely knackered.

 

Suggestions:

 

From within the map? menu, try selecting GPS info and it will tell you the quality of the signal. 3 is best, 0 or 1 is poor. What are you getting?

 

Try changing the CD for a known good one. I had a similar but not identical problem with the Sat Nav eventually crashing - traced to faulty CD.

 

I have to remove the aerial when transporting 2 hang gliders and although the coverage is worse the Sat Nav still works.

 

I replaced the aerial and mount very early in my ownership of the C5 as it was corroded on. I bought a new aerial and mount, then tried to unscrew the old one which broke so replaced the whole lot. However, I originally did that as the Traffic Master was not receiving info - turned out to be the unit was duff.

 

The only other suggestion I can make is a software upgrade.

 

Hope this helps.

[shsd]

Thanks for the response. Signal strength is low but this means that it could be the tuning circuit within the satnav unit or the antenna it is unlikely to be the CD or the CD player. Just out of interest the aerial base unit for the C5 contains three items. One is the SAtNav antenna also included is what is probably one active filter circuit for the radio and one for the traffic master.

Suggestions:

 

From within the map? menu, try selecting GPS info and it will tell you the quality of the signal. 3 is best, 0 or 1 is poor. What are you getting?

 

Try changing the CD for a known good one. I had a similar but not identical problem with the Sat Nav eventually crashing - traced to faulty CD.

 

I have to remove the aerial when transporting 2 hang gliders and although the coverage is worse the Sat Nav still works.

 

I replaced the aerial and mount very early in my ownership of the C5 as it was corroded on. I bought a new aerial and mount, then tried to unscrew the old one which broke so replaced the whole lot. However, I originally did that as the Traffic Master was not receiving info - turned out to be the unit was duff.

 

The only other suggestion I can make is a software upgrade.

 

Hope this helps.

[Randombloke]

Just out of interest the aerial base unit for the C5 contains three items. One is the SAtNav antenna also included is what is probably one active filter circuit for the radio and one for the traffic master.

 

I still have the old aerial base unit, I think that on my car there were 4 leads going to it - Traffic Master, GPS for Sat Nav, Radio and GSM.

 

I will check some time in the next 2 days. Have you tried to unscrew the aerial or is it corroded on? Common fault with C5.

[shsd]

I still have the old aerial base unit, I think that on my car there were 4 leads going to it - Traffic Master, GPS for Sat Nav, Radio and GSM.

 

I will check some time in the next 2 days. Have you tried to unscrew the aerial or is it corroded on? Common fault with C5.

You are correct there are 4 leads from the aerial, 3 signals comming out and one power going in.