X84 Data Link Connector (DLC)
WARNING: This page is about a different car, the 2020 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
The X84 Data Link Connector is a standardized 16-cavity connector. Connector design and location is dictated by an industry wide standard, and is required to provide the following:
- Terminal 1: Low Speed GMLAN Serial Data #3 terminal (Low Speed DLC Bus)
- Terminal 3: High Speed GMLAN Serial Data (+) (13) terminal (Object High Speed DLC Bus)
- Terminal 4: Scan tool power ground terminal
- Terminal 5: Common signal ground terminal
- Terminal 6: High Speed GMLAN Serial Data (+) (11) terminal (High Speed DLC Bus)
- Terminal 11: High Speed GMLAN Serial Data (-) (13) terminal (Object High Speed DLC Bus)
- Terminal 12: High Speed GMLAN Serial Data (+) (12) terminal (Chassis High Speed DLC Bus)
- Terminal 13: High Speed GMLAN Serial Data (-) (12) terminal (Chassis High Speed DLC Bus)
- Terminal 14: High Speed GMLAN Serial Data (-) (11) terminal (High Speed DLC Bus)
- Terminal 16: Scan tool power, battery positive voltage terminal