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Discover what an OBD2 scanner is and how to use it to diagnose and fix car problems before they escalate into major repairs. Your check engine light can come on a host of reasons, ranging from a ...

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What follows is some of what an OBD2 scanner can provide: Diagnostic Trouble Codes (DTCs): OBD2 scanners can read and interpret DTCs, which are codes that indicate issues within the vehicle's systems.