Hi I am having the same issue the rear washer jet is leaking the electrics are A mess bonnet warning on lights not working etc could you please let me know where this ecu is located any help would be greatly appreciated
right side behind dashboard , look up under dash and theres a couple of control units , the Vesa cu has a load of connections fitted to the bottom as well as the top , you unclip it and pull it gently down to get to the top connections.