Industry News

Scan Tool Is Useful But Has Limitations

Q How useful are the under-$100 scanners you see at the auto supply store? They make it sound like you can fix anything with them.

— Gene Hammond

A: The tools Gene is referring to are OBD-II scan tools and code readers. A scan tool connects to the vehicle's data link connector and allows a look at information received and provided by the engine control computer. A code reader displays only alphanumeric diagnostic trouble codes and possibly a code description for engine or emission problems.

•Read more: Scan Tool Is Useful But Has Limitations•

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