Show pagesource Old revisions Backlinks Table of Contents legacy OBD QUERY Synopsis Modes legacy OBD QUERY This command, can be used to get diagnostic information from the vehicle. Synopsis OBD QUERY <MODE> <...> Modes Depending on what you want obtain, the following modes can be used: <MODE> M01 Used to query “Mode 01” PIDs. M22 Used to query “Mode 22” proprietary PIDs.