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Home >> GMC >> 2000 >> C 6500 TopKick V8-7.4L VIN D >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Description and Operation >> Data Link Communications Circuit Description
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Data Link Communications Circuit Description




Data Link Communications Circuit Description

The data link connector (DLC) enables communications with specific control modules using an external scan tool.

The use of the scan tool in control module diagnosis is described in Engine Controls.

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