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Auxiliary Body Control Module (XBCM) X1 (UA2)

Fig 1: Auxiliary Body Control Module (XBCM) X1 (UA2)
GM73156Courtesy of GENERAL MOTORS CORP.
Auxiliary Body Control Module (XBCM) X1 (UA2)

Pin Wire Circuit Function
A1 - - Not Used
A2 0.35 RD/WH 4540 Battery Positive Voltage
A3 0.35 D-GN 5060 Low Speed GMLAN Serial Data
A4-A6 - - Not Used
A7 0.35 BK 850 Ground
A8-A12 - - Not Used
B1-B3 - - Not Used
B4 0.35 TN/BK 5168 Power Sounder Enable Signal
B5-B8 - - Not Used
B9 0.35 GY 728 Security Indicator Control
B10 0.35 L-BU 5362 Inclination Sensor Signal
B11-B12 - - Not Used
Connector Part Information 
  • Harness Type: Body
  • OEM Connector: 12110088
  • Service Connector: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)
Terminal Part Information 
  • Pins: A1-A9, A11, A12, B1-B12
  • Terminated Lead: 13578899
  • Release Tool: J-38125-13A
  • Diagnostic Test Probe: J-35616-6 (BN)
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Pins: A10
  • Terminated Lead: 13575468
  • Release Tool: J-38125-13A
  • Diagnostic Test Probe: J-35616-6 (BN)
  • Terminal/Tray: 12146448/19
  • Core/Insulation Crimp: E/C