Inflatable Restraint Sensing and Diagnostic Module (SDM) X1

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Inflatable Restraint Sensing and Diagnostic Module (SDM) X1 Connector End Views

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 WH	3023	Steering Wheel Module - Stage 2 - High Control
2	0.5 PK	3022	Steering Wheel Module - Stage 2 - Low Control
3	0.5 BN	3020	Steering Wheel Module - Stage 1 - Low Control
4	0.5 TN	3021	Steering Wheel Module - Stage 1 - High Control
5	0.5 YE	3025	I/P Module - Stage 1 - High Control
6	0.5 GY	3027	I/P Module - Stage 1 - Low Control
7	0.5 PU	3026	I/P Module - Stage 2 - Low Control
8	0.5 GY	3027	I/P Module - Stage 2 - High Control
9	0.5 RD/WH	4440	Battery Positive Voltage
10-14	-	-	Not Available
15	03.5 D-GN	5060	Low Speed GMLAN Serial Data
16	-	-	Not Available
17	0.35 PK	1139	Ignition Voltage
18	-	-	Not Available
19	0.5 BK/WH	2751	Ground
20-24	-	-	Not Available

Connector Part Information

Harness Type: Body
OEM Connector: 13789034
Service Connector: 13580844
Description:12-Way F Receptacle 0.64 Series, Sealed (YE)

Terminal Part Information

Terminated Lead: 13579946
Release Tool: Pending
Diagnostic Test Probe: Pending
Terminal/Tray: Not Available
Core/Insulation Crimp: Not Available