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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 2155 (WIRING SYSTEMS AND POWER MANAGEMENT - COMPONENT CONNECTOR END VIEWS PART 1)AUXILIARY BODY CONTROL MODULE (XBCM) X1 (EXP)
2006 Chevrolet Suburban C2500, 6.0 U

Auxiliary Body Control Module (XBCM) X1 (EXP)

2006 Chevrolet Suburban C2500, 6.0 USECTION Auxiliary Body Control Module (XBCM) X1 (EXP)
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: Auxiliary Body Control Module (XBCM) X1 (EXP) Connector End View
GM73156Courtesy of GENERAL MOTORS CORP.
Auxiliary Body Control Module (XBCM) X1 (EXP)

Pin Wire Circuit Function
A1 0.5 BK 1050 Ground
A2 0.5 RD/WH 2640 Battery Positive Voltage
A3 0.35 D-GN 5060 Low Speed GMLAN Serial Data
A4-A6 - - Not Used
A7 0.8 BK/WH 1851 Ground
A8-A9 - - Not Used
A10 0.35 PK 7141 Trailer Connected Signal Trailer
A11 - - Not Used
A12 0.35 YE 1618 Trailer Left Rear Turn/Stop Lamp Supply Voltage
B1 0.5 L-BU 1320 CHMSL Supply Voltage
B2 0.35 PK 239 Ignition 1 Voltage
B3-B10 - - Not Used
B11 0.35 D-GN 1619 Trailer Right Rear Turn/Stop Lamp Supply Voltage
B12 - - Not Used
Connector Part Information 
  • OEM: 12110088
  • Service: 15306210
  • Description: 24-Way F Micro-Pack 100 Series (GY)
Terminal Part Information 
  • Pins: A1-A3, A7-A8, A10, A12, B1-B2, B4
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)
RENDER: 1.0x

NO RELATED

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.