Auto · OBD2 Code Readers (Basic)
Will a basic OBD2 reader pass my smog or state inspection check?
Reviewer consensus
Yes, any OBDII-compliant reader can show I/M readiness monitors, which is what inspectors look at. The Autel AL319 highlights a one-click I/M readiness button specifically for this, and the FOXWELL NT301 displays the same monitor status. Verified-purchase reviewers confirm using these readers to confirm readiness before driving to a smog station.