Inflatable Restraint Sensing and Diagnostic Module (SDM) (10 Series with Crew Cab Except ASF)

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: Inflatable Restraint Sensing and Diagnostic Module (SDM) (10 Series with Crew Cab Except ASF) Connector End View

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
1	0.5 BK/WH	2751	Low Reference
2	0.35 D-GN	5060	Low Speed GMLAN Serial Data
3	-	-	Not Available
4	0.5 PK	3022	Steering Wheel Module - Stage 2 - Low Control
5	0.5 WH	3023	Steering Wheel Module - Stage 2 - High Control
6	0.5 GY	3027	I/P Module - Stage 2 - High Control
7	0.5 PU	3026	I/P Module - Stage 2 - Low Control
8	0.5 BN	3020	Steering Wheel Module - Stage 1 - Low Control
9	0.5 TN	3021	Steering Wheel Module - Stage 1 - High Control
10	0.5 YE	3025	I/P Module - Stage 1 - High Control
11	0.5 OG	3024	I/P Module - Stage 1 - Low Control
12-15	-	-	Not Available
16	0.5 OG/BK	2119	Seat Belt Pretensioner - Left - Low Control
17	0.5 TN/WH	2118	Seat Belt Pretensioner - Left - High Control
18	0.5 L-GN	2116	Seat Belt Pretensioner - Right - High Control
19	0.5 OG	2117	Seat Belt Pretensioner - Right - Low Control
20-27	-	-	Not Available
28	0.35 PK	5057	Low Reference
29	0.35 L-GN	5055	Seat Position Sensor - Left - Signal
30	-	-	Not Available
31	0.5 RD/WH	4440	Battery Positive Voltage
32	0.35 PK	1139	Ignition 1 Voltage
33-35	-	-	Not Available
36	0.5 YE	354	Left Front Discriminating Sensor Signal
37	0.5 D-GN	1409	Right Front Discriminating Sensor Signal
38	0.5 TN/OG	5045	Low Reference
39	0.5 GY	5600	Low Reference
40-58	-	-	Not Available
59	0.35 TN/WH	238	Driver Seat Belt Switch Signal
60	0.35 OG	1362	Passenger Seat Belt Switch Signal

Connector Part Information

OEM: 13578745
Service: See Catalog
Description: 60-Way F 0.64 Series Sealed (YE w/GY slide lock)

Terminal Part Information

Terminal/Tray: Service with Terminated Lead
Core/Insulation Crimp: N/A
Release Tool/Test Probe: 15315247/J-35616-64B (L-BU)