Hi im new to this site ive been mhoming for the past 4 years and im on my 4th motorhome not by choice after problems with 2 and not getting the right one until now I hope, although just sat in it to drive last weekend to find I cannot start it due to immobilisor light,heater plug light,ign and oil light not going out Ive had a friend come down and plugged in his computer to find the fault but its not reading the E.M.System he suggests it could be the key not reading the immobilisor or the module is not working anyone with any idears would be greatful before paying out to fiat for fixing?