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Fig 1: Auxiliary Body Control Module (XBCM) C2 (Export) Connector End View

Courtesy of GENERAL MOTORS CORP.

Auxiliary Body Control Module (XBCM) C2 (Export) Connector Parts Information

Connector Part Information

OEM: 15357040
Service: 12110626
Description: 8-Way F Metri-Pack 280 (L-GY)

Terminal Part Information

Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A, B - C/A
Core/Insulation Crimp: Pins G, H - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Auxiliary Body Control Module (XBCM) C2 (Export) Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
A	L-BU	1620	CHMSL Supply Voltage
B	RD/WH	4540	Battery Positive Voltage
C-F	-	-	Not Used
G	OG	122	Rear Fog Lamp Supply Voltage
H	PU	7142	Trailer Fog Lamp

When to See a Mechanic

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.

Safety Warning

Auxiliary Body Control Module (XBCM) C2 (Export)

Use the Manual With the Right Hardware

When to See a Mechanic

Rather have a pro handle this?