Multiecuscan Elm327 Port Settings 2021

: This is the most common cause of "Interface too slow" errors. In the same Advanced Settings for your COM port, change the Latency Timer (msec) from the default 16 to 1 .

To correctly configure your ELM327 for and generate a diagnostic report, you must align your Windows Device Manager settings with the software's internal configuration. 1. Windows Port Configuration