I could be misunderstanding the tools that you're using, but I would assume that the raw data that you're reading over the serial->OBD connection you have is the raw CAN data.
I'm personally using a program called CANalyzer by Vector. It interfaces to a hardware module that plugs into my laptop's USB port and then into the OBD port. I added a screenshot that shows some of the CAN traffic, including the line for the tire pressure from address 0x385. I asked about CAN database files because we could more easily give meaning to the data (Instead of showing 0x385, maybe it would say something like "tpm_ecu") and it can give interpretations of all the bytes of the response message, along with any conversion or scaling
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