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

Courtesy of GENERAL MOTORS CORP.

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)