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Home >> GMC >> 2018 >> Terrain SL >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 1.5L (LYX) - Description And Operation >> Description And Operation >> Engine Control Module Description >> Data Link Connector (DLC)
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Data Link Connector (DLC)

The data link connector (DLC) provides serial data communication for ECM diagnosis. This connector allows the technician to use a scan tool in order to monitor various serial data parameters, and display DTC information. The DLC is located inside the driver's compartment, underneath the instrument panel.

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