I have been making some discoveries. I think FIAT Grande Punto uses protocol UDS or ISO 14229 for diagnostics, over protocol ISO 15765, and then over ISO 11898-2 (used in Data Link and Phisical layers), and what I see when monitoring the traffic are raw CAN frames (ISO 11898), although the frames ar...

Hello! Fiat Siena does not appear in the Supported Cars List (http://www.multiecuscan.net/SupportedVehiclesList.aspx) Since it is a 1998 car, maybe you need a Fiat proprietary tool... I am not sure, all I know is that Fiat has been using KWP-2000 protocol and line K, and after 2006 they use CAN Bus ...

Thank you! I have read that, but I think it is not what I was looking for... I mean, the PDF describes the Fiat 9141 protocol but that protocol was used in 1999, my car is 2008... I think my car does not use that protocol... I think it uses some propretary protocol from Fiat, running over the CAN bu...

Hi! I have tested Multiecuscan, but since I just want to sniff and analyze the CAN bus traffic, and I suppose that you know more than me about Fiat CAN bus protocols, I want to make you a question. My car is a Fiat Grande Punto 2008. I use an ELM327 chip, I have tried the AT MA command (Monitor All)...