Vantage Audio and SatNav not working

[Bessman]

Hi all, I have just realised that my SatNav and audio(radio and CD) will not operate on my 2008 Vantage roadster. Both worked fine last summer and I rarely use either(I prefer to listen to the sound of the engine) which is why I have only discovered it now... The culprit may be that I replaced the roof control module last October?? It was my own repaired unit and so I did not need to flash the sorftware. I have also just discovered that the SatNav has a CD disc, which is located under the tonneau lid and so makes me wonder if it is connected somehow to the roof control module. I ejected the CD and then re_loaded it, but it didn't bring the SatNav back.....Any ideas or advice is greatly appreciated. Thanks, Bob

[ragingfool]

this is often a MOST problem, usually from a failed module. I don't think your roof module is connected to this system (at least the diagram for 2009 shows it is not). however if you search PH and 6speed some say a CANBUS error may cause problem with MOST ring

[Bessman]

Is there a way to "reset" if its a canbus error ??