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Full Version: St220 Denso Sat Nav Unit A204 Error
Ford Owners Club - Ford Forums > Ford Models > Ford Mondeo Club

Hi there,


Just got a 53 plate Mondeo ST220 with the Denso touchscreen sat nav/radio/cd unit. 

The sat nav is showing a symbol with a globe with a cross through it, displaying apparently that it cannot get GPS signal. 


I have also entered the error screen and noticed it has an $A204 error, which I believe is an error with the aerial/gps mast. 


Looking further into the diagnostic screen though, it seems to show that I can actually "see" quite a few satellites.


I'm confused as to why it would be the aerial aswell, given the fact that the radio works perfectly. 



Anybody got any idea? Was going to buy a new mast and antenna off of ebay, but the ones that actually support GPS are expensive by my standards. 




That code is for an antenna fault, sometimes a very small amount of corrosion can cause a confused signal or even no signal at all.

I reckon you need to replace your antenna mount.

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