Serial Data Gateway (SDG) Module X2 (HP2)

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Serial Data Gateway (SDG) Module X2 (HP2) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1-3	-	-	Not Used
4	0.35 D-BU	919	Auxiliary Front Mode Signal
5-7	-	-	Not Used
8	0.5 RD/WH	4240	Battery Positive Voltage
9-14	-	-	Not Used
15	0.35 D-BU/WH	918	Low Reference
16	0.35 L-BU	5986	Serial Data Communication Enable
17	-	-	Not Used
18	0.5 BK	1050	Ground
19	0.35 D-BU	5985	Serial Data Wake-Up Signal
20	0.35 PK	239	Ignition Voltage

Connector Part Information

OEM: 15491304
Service: See Catalog
Description: 20-Way F USCAR 0.64 Series (GY)

Terminal Part Information

Terminal/Tray: SAITS-A03T-M064/14
Core/Insulation Crimp: P/P
Release Tool/Test Probe: J-38125-215A/J-35616-64B (L-BU)