I used this OBD 2 reader on an Alfa GT, worked a treat with FiatECUscan
http://www.ebay.co.uk/itm/FIAT-ALFA-***-USB-ODB2-DIAGNOSTIC-LEAD-SWITCH-ECU-AIRBAG-ABS-MULTI-FIAT-ECU-SCAN-/271422869279?pt=UK_Diagnostic_Tools_Equipment&hash=item3f32104f1f
Gus.