Can I clear a check engine light with an OBD2 scanner?

Yes — all OBD2 scanners can clear codes. However, if the underlying problem is not fixed, the light will return. Clearing codes before a smog test will cause a fail — the system needs drive cycles to set readiness monitors.

Will an OBD2 scanner work on my car?

If your car is 1996 or newer and sold in the US, it has an OBD2 port. The port is usually under the dashboard near the steering column. Electric vehicles have OBD2 ports but limited functionality with standard scanners.

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