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Home >> Chevrolet >> 2017 >> SS Automatic Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 6.2L (LS3) - Description And Operation >> Description and Operation >> Engine Control Module Description >> Data Link Connector (DLC)

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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