Interested to see if this fixed the fault as I have exactly the same on my 2003 eurocargo? Unfortunately it didn't work for me so looking at what to try next!
Thanks
Sam Conway, June 2020
thanks will try that truck is fine its a horsebox so we dnt use it much i let you no how i get on
sam, January 2010
communication error with tacho /oil sensor .
disconnect battery for 30 minutes and reconnect this should put light out.
ibc stands for iveco body controller ,this is next to the fusebox