Vehicle Communication Interface Module (VCIM) C1

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2007 GMC Yukon XL, 2007 GMC Yukon, 2007 Chevrolet Tahoe, 2007 Chevrolet Suburban, and 2007 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Vehicle Communication Interface Module (VCIM) C1 Connector End View

Courtesy of GENERAL MOTORS CORP.

Vehicle Communication Interface Module (VCIM) C1 Connector Parts Information

Connector Part Information

OEM: 15431362
Service: 15306351
Description: 16-Way F 040 II (BK)

Terminal Part Information

Terminal/Tray: 15445905/23
Core/Insulation Crimp: J/J
Release Tool/Test Probe: 12180559/J-35616-6 (BN)

Vehicle Communication Interface Module (VCIM) C1 Connector Terminal Identification

Pin	Wire Color	Circuit No.	Function
1	D-GN	5060	Low Speed GMLAN Serial Data
2	BN/WH	2517	Keypad Red LED Signal
3	YE/BK	2516	Keypad Green LED Signal
4-5	-	-	Not Used
6	L-GN/BK	2515	Keypad Supply Voltage
7	BK	2550	Ground
8-9	-	-	Not Used
10	TN/BK	2500	High Speed GMLAN Serial Data Bus+
11	D-GN/WH	2514	Keypad Signal
12	TN	2501	High Speed GMLAN Serial Data Bus-
13-14	-	-	Not Used
15	RD/WH	3240	Battery Positive Voltage
16	-	-	Not Used