ATZ - reset OBD II UART ATL1 - set Line Feed Mode ATH1 - set message headers ON ATS1 - set spaces between bytes to ON ATAL - allow messages that are longer than 7 bytes ATSP1 - set protocol to SAE ...

Automotive diagnostics have come a long way since the “idiot lights” of the 1980s. The current version of the on-board diagnostics (OBD) protocol provides real time data as well as fault diagnostics, ...