Auxiliary Body Control Module (XBCM) X1 (EXP)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. 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

Courtesy of GENERAL MOTORS CORP.

Pin	Wire	Circuit	Function
A1	0.35 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	0.35 BK/WH	1851	Ground
A8	0.35 L-BU	187	Rear Fog Lamp Switch Signal
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 Control
B1	0.35 L-BU	1320	CHMSL Control
B2	0.35 PK	239	Ignition Voltage
B3-B10	-	-	Not Used
B11	0.35 D-GN	1619	Trailer Right Rear Turn/Stop Lamp Control
B12	-	-	Not Used

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 12110088
Service Connector: 15306210
Description: 24-Way F Micro-Pack 100 Series (GY)

Terminal Part Information

Terminated Lead: Pending
Release Tool: J-38125-13A
Diagnostic Test Probe: J-35616-6 (BN)
Terminal/Tray: Pins A1-A3, A8, A10, A12, B1, B2, B11 - 12146447/3
Terminal/Tray: Pins A7 - 12146448/19
Core/Insulation Crimp: Pins A1-A3, A8, A10, A12, B1, B2, B11 - E/C
Core/Insulation Crimp: Pins A7 - E/C