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Home >> Chevrolet >> 2005 >> Optra5 LS, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - 2.0L (L34 GMDAT) - Introduction And Mechanical Repairs >> Description and Operation >> Engine Control Module (ECM) Description >> Common OBD Terms >> Data Link Connector (DLC)
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Data Link Connector (DLC)

The provision for communicating with the control module is the data link connector (DLC). The DLC is used to connect to a scan tool. Some common uses of the scan tool are listed below:

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