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You can purchase any global scan tool — often called a code reader — at most automotive parts stores or online.

Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.

Looking for information on how to use an automotive diagnostic tool? Our team of experts narrowed down the best tips on how to use an automotive diagnostic tools. Read this review and save ...

We'll explain how to use an OBDII code reader to clear Cummins fault codes, and we'll also explain how to clear the codes if you don't have access to a scan tool.

Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs.