Like he said said, you need the proper definition files for tuner pro, otherwise it's like trying to decipher Greek with a Spanish English dictionary.
You need to know what mask your ECU is using, then you can get the correct definition for the data stream.

Do you have a functional check engine light? If so do you know how to check for codes at the aldl port with a jumper wire, or paper clip? What codes if any are present?