2.3 Location of the Data Link Connector (DLC)
Figure 1-2: Explanation of a diagnostic trouble code.
The DLC (Data Link Connector or Diagnostic Link Connector) is the
standardized 16-cavity connector where diagnostic scan tools
interface with the vehicle's on-board computer. The DLC is usually
located 12 inches from the center of the instrument panel (dash),
under or around the driver's side for most vehicles. If the Data Link
Connector is not located under the dashboard, a label should be there
revealing its location. For some Asian and European vehicles, the
DLC is located behind the ashtray and the ashtray must be removed
to access the connector. If the DLC cannot be found, refer to the
vehicle's service manual for the location.
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