Data Link Connector (DLC)
WARNING: This page is about a different car, the 2010 GMC Terrain and 2010 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
The data link connector (DLC) is a standardized 16-cavity connector. Connector design and location is dictated by an industry wide standard, and is required to provide the following:
- Pin 1 Low speed GMLAN communications terminal
- Pin 3 Mid speed GMLAN serial bus (+) terminal
- Pin 4 Scan tool power ground terminal
- Pin 5 Common signal ground terminal
- Pin 6 High speed GMLAN serial data bus (+) terminal
- Pin 11 Mid speed GMLAN serial bus (-) terminal
- Pin 12 Chassis high speed GMLAN serial bus terminal
- Pin 13 Chassis high speed GMLAN serial bus terminal
- Pin 14 High speed GMLAN serial data bus (-) terminal
- Pin 16 Scan tool power, battery positive voltage terminal