Help ..... I have a Xtype 3 litre petrol Jag, automatic, year 2001. I have replaced my Transmission Control Unit last March (2016) I now find because of water ingress, it needs replacing again. TCU number is 1x43-72401-BF I have got a replacement TCU which is Model No 1x43-72401-BG Are these two compatible. ?? please advise if you know... Many many many thanks.....