C 2500 Truck 2WD V8-5.7L VIN R (1997)
Data Link Connector: Description and Operation
Data Link Connector (DLC)
Data Link Connector
The provision for communicating with the control module is a Data Link Connector (DLC). The DLC is usually located under the instrument panel. The
DLC is used in order to connect to a scan tool. Some common uses of the scan tool are listed below:
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Identifying stored Diagnostic Trouble Codes (DTCs).
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Clearing the DTCs.
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Performing output control tests.
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Reading serial data.
