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Home >> Cadillac >> 2012 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (Wiring Systems And Power Management - Component Connector End Views - I-K) >> Component Connector End Views - I Through K >> Inflatable Restraint Sensing and Diagnostic Module (SDM) X1
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Inflatable Restraint Sensing and Diagnostic Module (SDM) X1

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 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) X1
GM2180230Courtesy of GENERAL MOTORS CORP.
Inflatable Restraint Sensing and Diagnostic Module (SDM) X1

Pin Wire Circuit Function
1 0.5 WH 3023 Steering Wheel Module - Stage 2 - High Control (10 Series)
- - Not Available (except 10 Series)
2 0.5 PK 3022 Steering Wheel Module - Stage 2 - Low Control (10 Series)
- - Not Available (except 10 Series)
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 OG 3024 I/P Module - Stage 1 - Low Control
7 0.5 PU 3026 I/P Module - Stage 2 - Low Control (10 Series)
- - Not Available (except 10 Series)
8 0.5 GY 3027 I/P Module - Stage 2 - High Control (10 Series)
- - Not Available (except 10 Series)
9 0.5 RD/WH 4440 Battery Positive Voltage
10-12 - - Not Available (except HP2)
Not Used (HP2)
13 0.5 TN/BK 371 I/P Module Disable Switch - Signal (C99)
- - Not Available (except HP2 or C99)
Not Used (HP2)
14 0.5 PK 7238 Passenger I/P Module Disable Switch Return (C99)
- - Not Available (except HP2 or C99)
Not Used (HP2)
15 0.35 D-GN 5060 Low Speed GMLAN Serial Data
16 - - Not Available (except HP2)
Not Used (HP2)
17 0.35 PK 1139 Ignition 1 Voltage
18 - - Not Available (except HP2)
Not Used (HP2)
19 0.5 BK/WH 2751 Ground
20 - - Not Available (except HP2)
Not Used (HP2)
21-24 - - Not Available
Connector Part Information 
  • Harness Type: Body
  • OEM Connector: 13737555 (10 Series except HP2)
  • OEM Connector: 13737556 (Crew Cab except 10 Series)
  • OEM Connector: 13737557 (except 10 Series except Crew Cab)
  • OEM Connector: 13658689 (HP2)
  • Service Connector: Pending
  • Description: 24-Way F Receptacle 0.64 Series, Sealed (YE)
Terminal Part Information 
  • Terminal/Tray: Service with Terminated Lead
  • Core/Insulation Crimp: Service with Terminated Lead
  • Release Tool/Test Probe: N/A
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