their are lots of code readers out their but none of them are nealy as good for diagnosing faults as the fiat one
only fiat dealers will have it thou
i shows the history of faults and curent faults also it shows peramiters of sensors wile the engine is runing and much much more on the stilo for instence you can practicaly activate anything on the car from the examiner as it's called
so best to let your dealer chech fings out