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Inflatable Restraint Sensing and Diagnostic Module (SDM) X2

Fig 1: Inflatable Restraint Sensing and Diagnostic Module (SDM) X2
GM2180250Courtesy of GENERAL MOTORS CORP.
Inflatable Restraint Sensing and Diagnostic Module (SDM) X2

Pin Wire Circuit Function
1-8 - - Not Available
9 0.35 TN/WH 3477 Seat Belt Pretensioner - Low Control
10 0.35 PK/BK 3478 Seat Belt Pretensioner - High Control
11 0.35 PK 3476 Seat Belt Pretensioner - Low Control (AH8)
12 0.35 L-GN 3475 Seat Belt Pretensioner - High Control (AH8)
13 0.35 BN 2137 Left Front Side Impact Module High Control
14 0.35 YE/BK 2138 Left Front Side Impact Module Low Control
15 0.35 L-GN 2136 Right Front Side Impact Module Low Control (AH8)
16 0.35 TN/WH 2135 Right Front Side Impact Module High Control (AH8)
17 0.5 PU/WH 5019 Left Front Head Curtain Module High Control
18 0.5 PK 5020 Left Front Head Curtain Module Low Control
19 0.35 WH 2132 Left Front Side Impact Sensing Module Signal (LHD)
0.35 PU/WH 6628 Left Front Side Impact Sensing Module Low Reference (RHD)
20 0.35 PU/WH 6628 Left Front Side Impact Sensing Module Low Reference (LHD)
0.35 WH 2132 Left Front Side Impact Sensing Module Signal (RHD)
21 0.35 WH/BK 6629 Right Front Side Impact Sensing Module Low Reference (LHD)
0.35 D-GN 2134 Right Front Side Impact Sensing Module Signal (RHD)
22 0.35 D-GN 2134 Right Front Side Impact Sensing Module Signal (LHD)
0.35 WH/BK 6629 Right Front Side Impact Sensing Module Low Reference (RHD)
23 0.35 YE 354 Left Front Discriminating Sensor Signal
24 0.35 TN/OG 5045 Left Front Discriminating Sensor Low Reference
25 0.35 GY 5600 Right Front Side Impact Sensing Module Signal
26 0.35 D-GN 1409 Right Front Side Impact Sensing Module Signal
27 0.35 L-BU 6622 Left Rear Side Impact Sensing Module Signal
28 0.35 L-GN/BK 6623 Left Rear Side Impact Sensing Module Signal
29 0.35 PK/BK 6627 Right Rear Side Impact Sensing Module Low Reference
30 0.35 L-BU/WH 6626 Right Rear Side Impact Sensing Module High Reference
31-36 - - Not Available
37 0.35 TN/WH 2118 Driver Seat Belt Pretensioner High Control
38 0.35 OG/BK 2119 Driver Seat Belt Pretensioner Low Control
39 0.35 OG 2117 Passenger Seat Belt Pretensioner Low Control
40 0.35 L-GN 2116 Passenger Seat Belt Pretensioner High Control
41 0.35 TN/WH 238 Driver Seat Belt Switch Signal
42 - - Not Available
43 0.35 D-BU 1363 Driver Seat Belt Switch Low Reference
44 0.35 L-BU 1361 Passenger Seat Belt Switch Low Reference
45 0.35 OG 1362 Seat Belt Switch Signal
46-52 - - Not Available
53 0.5 YE/BK 5021 Right Front Head Curtain Module High Control
54 0.5 WH/BK 5022 Right Front Head Curtain Module Low Control
Connector Part Information 
  • Harness: Body
  • OEM: 13502177 (Coupe)
  • OEM: 13504385 (Sedan without LSA)
  • OEM: 13502177 (Sedan with LSA)
  • OEM: 13503461 (Wagon)
  • Service: Service by Pigtail - See Part Catalog
  • Description: 54-Way F 0.64 Series, Sealed (YE)
Terminal Part Information 
  • Terminal/Tray: Service by Pigtail - See Part Catalog
  • Core/Insulation Crimp: N/A
  • Release Tool/Test Probe: Not Available
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