Serial Data Gateway (SDG) Module X1 (HP2)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2008 GMC Yukon XL, 2008 GMC Yukon, 2008 Chevrolet Tahoe, 2008 Chevrolet Suburban, and 2008 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Serial Data Gateway (SDG) Module X1 (HP2) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire Color	Circuit	Function
1	0.5 D-BU	932	APM Wake-Up Signal
2	0.5 TN	968	Wake Up Signal
3-10	-	-	Not Used
11	0.5 L-BU	6106	PTLAN -
12	0.5 L-BU	6106	PTLAN -
13	0.5 D-BU	6105	PTLAN +
14	0.5 D-BU	6105	PTLAN +
15	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
16	0.5 TN	2501	High Speed GMLAN Serial Data Bus -
17	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
18	0.5 TN/BK	2500	High Speed GMLAN Serial Data Bus +
19	0.35 D-GN	5060	Low Speed GMLAN Serial Data
20	-	-	Not Used

Connector Part Information

OEM: 15489824
Service: See Catalog
Description: 20-Way F 0.64 Series (BK)

Terminal Part Information

Terminal/Tray: 7116-4618-02/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)