Sealey autel eobd code readers sealey al301 this autel eobd code reader from sealey is a next generation code reader which belies its power unlike many other budget tools which give only a code the al301 gives a full definition on its colour backlit lcd screen also supports the new extended sensor list sae j1979 2007 and features freeze frame and live data and includes a patented one click im readiness button to eliminate drive cycle guesswork using colour coded leds and audible tone