As @Derek has stated, you have a choice of PC or Android. Scan5mx (Free download) - Android with Bluetooth ELM327 and Fiat adaptor TuneECU (Paid download) - Android with Bluetooth ELM327 and Fiat adaptor or for reflash capability VagCom 409.1 using FTDI chip and Fiat adaptor. IAWDiag (free download from Guzzidiag) - PC using VagCom lead and Fiat adaptor. Guzzidiag Reader and Writer can also be used with the same leads. JPDiag (Free download) - PC using VagCom lead and Fiat adaptor. Kit from Lonelec should guarantee no problems.